======================================
| xx__-> [    8.991830][  T196] ------------[ cut here ]------------
| [    8.992122][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/196
| [    8.992402][  T196] Modules linked in:
| [    8.992953][  T196] Tainted: [W]=WARN
[    8.993095][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.993348][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.993562][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.994073][  T196] RSP: 0018:ffa0000000927a80 EFLAGS: 00010286
[    8.994288][  T196] RAX: 00000000ffffffa6 RBX: ff110000097c2040 RCX: 1ff4000000124f16
[    8.994521][  T196] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c20fc
[    8.994754][  T196] RBP: ff11000009359000 R08: 1fe22000012f8421 R09: ff1100000f790b80
[    8.994997][  T196] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.995230][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009359000
[    8.995473][  T196] FS:  00007fd2d1009840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[    8.995740][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.995960][  T196] CR2: 0000000000479648 CR3: 000000000e64d003 CR4: 0000000000771ef0
[    8.996194][  T196] PKRU: 55555554
[    8.996344][  T196] Call Trace:
[    8.996484][  T196]  <TASK>
[    8.996595][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.996769][  T196]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.996958][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.997102][  T196]  register_netdevice (net/core/dev.c:11488)
[    8.997290][  T196]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.997495][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.997668][  T196]  register_netdev (net/core/dev.c:11552)
[    8.997841][  T196]  loopback_net_init (drivers/net/loopback.c:218)
[    8.998030][  T196]  ops_init (net/core/net_namespace.c:137)
[    8.998175][  T196]  setup_net (net/core/net_namespace.c:446)
[    8.998325][  T196]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.998499][  T196]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.998673][  T196]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.998849][  T196]  copy_net_ns (net/core/net_namespace.c:579)
[    8.999033][  T196]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.999209][  T196]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.999391][  T196]  ksys_unshare (kernel/fork.c:3243)
[    8.999565][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.999740][  T196]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.999924][  T196]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.000099][  T196]  ? __ia32_sys_open (fs/open.c:1374)
[    9.000281][  T196]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.000453][  T196]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.000625][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.000798][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.000986][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.001161][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.001371][  T196] RIP: 0033:0x7fd2d12cbbcb
[    9.001551][  T196] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.002062][  T196] RSP: 002b:00007ffed43e2438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.002307][  T196] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd2d12cbbcb
[    9.002541][  T196] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.002774][  T196] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.003018][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed43e4660
[    9.003253][  T196] R13: 0000000000000001 R14: 00007fd2d10096f8 R15: 00007ffed43e587f
| [    9.008083][  T196] ------------[ cut here ]------------
| [    9.008256][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/196
| [    9.008529][  T196] Modules linked in:
| [    9.008985][  T196] Tainted: [W]=WARN
[    9.009125][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.009338][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.009545][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.010049][  T196] RSP: 0018:ffa0000000927918 EFLAGS: 00010286
[    9.010254][  T196] RAX: 00000000ffffffa6 RBX: ff1100000d356ac0 RCX: 1ff4000000124ee9
[    9.010495][  T196] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d356b7c
[    9.010729][  T196] RBP: ff1100000a381000 R08: 1fe2200001a6ad71 R09: ff1100000f790b80
[    9.010975][  T196] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.011208][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a381000
[    9.011455][  T196] FS:  00007fd2d1009840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[    9.011720][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.011935][  T196] CR2: 0000000000479648 CR3: 000000000e64d003 CR4: 0000000000771ef0
[    9.012171][  T196] PKRU: 55555554
[    9.012315][  T196] Call Trace:
[    9.012457][  T196]  <TASK>
[    9.012566][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.012738][  T196]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.012922][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.013065][  T196]  register_netdevice (net/core/dev.c:11488)
[    9.013238][  T196]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.013443][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.013618][  T196]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.013791][  T196]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.013975][  T196]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.014147][  T196]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.014328][  T196]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.014501][  T196]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.014675][  T196]  ops_init (net/core/net_namespace.c:137)
[    9.014817][  T196]  setup_net (net/core/net_namespace.c:446)
[    9.014969][  T196]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.015138][  T196]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.015316][  T196]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.015490][  T196]  copy_net_ns (net/core/net_namespace.c:579)
[    9.015664][  T196]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.015838][  T196]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.016023][  T196]  ksys_unshare (kernel/fork.c:3243)
[    9.016199][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.016379][  T196]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.016553][  T196]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.016724][  T196]  ? __ia32_sys_open (fs/open.c:1374)
[    9.016910][  T196]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.017080][  T196]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.017252][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.017432][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.017605][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.017778][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.017993][  T196] RIP: 0033:0x7fd2d12cbbcb
[    9.018170][  T196] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.018667][  T196] RSP: 002b:00007ffed43e2438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.018914][  T196] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd2d12cbbcb
[    9.019147][  T196] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.019387][  T196] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.019622][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed43e4660
[    9.019856][  T196] R13: 0000000000000001 R14: 00007fd2d10096f8 R15: 00007ffed43e587f
| [    9.024056][  T196] ------------[ cut here ]------------
| [    9.024232][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/196
| [    9.024504][  T196] Modules linked in:
| [    9.024963][  T196] Tainted: [W]=WARN
[    9.025104][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.025339][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.025556][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.026062][  T196] RSP: 0018:ffa00000009278f8 EFLAGS: 00010286
[    9.026267][  T196] RAX: 00000000ffffffa6 RBX: ff1100000c991380 RCX: 1ff4000000124ee5
[    9.026512][  T196] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c99143c
[    9.026747][  T196] RBP: ff11000009d31000 R08: 1fe2200001932289 R09: ff1100000f790b80
[    9.026992][  T196] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.027229][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009d31000
[    9.027477][  T196] FS:  00007fd2d1009840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[    9.027743][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.027961][  T196] CR2: 0000000000479648 CR3: 000000000e64d003 CR4: 0000000000771ef0
[    9.028197][  T196] PKRU: 55555554
[    9.028344][  T196] Call Trace:
[    9.028487][  T196]  <TASK>
[    9.028599][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.028772][  T196]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.028957][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.029100][  T196]  register_netdevice (net/core/dev.c:11488)
[    9.029282][  T196]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.029485][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.029663][  T196]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.029837][  T196]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.030023][  T196]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.030197][  T196]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.030378][  T196]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.030553][  T196]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.030727][  T196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.030914][  T196]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.031091][  T196]  ops_init (net/core/net_namespace.c:137)
[    9.031234][  T196]  setup_net (net/core/net_namespace.c:446)
[    9.031382][  T196]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.031552][  T196]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.031725][  T196]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.031911][  T196]  copy_net_ns (net/core/net_namespace.c:579)
[    9.032085][  T196]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.032263][  T196]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.032444][  T196]  ksys_unshare (kernel/fork.c:3243)
[    9.032617][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.032788][  T196]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.032974][  T196]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.033148][  T196]  ? __ia32_sys_open (fs/open.c:1374)
[    9.033330][  T196]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.033501][  T196]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.033675][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.033848][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.034029][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.034202][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.034410][  T196] RIP: 0033:0x7fd2d12cbbcb
[    9.034588][  T196] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.035094][  T196] RSP: 002b:00007ffed43e2438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.035339][  T196] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd2d12cbbcb
[    9.035573][  T196] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.035916][  T196] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.036150][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed43e4660
[    9.036392][  T196] R13: 0000000000000001 R14: 00007fd2d10096f8 R15: 00007ffed43e587f
| [    9.041235][  T196] ------------[ cut here ]------------
| [    9.041410][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/196
| [    9.041674][  T196] Modules linked in:
| [    9.042264][  T196] Tainted: [W]=WARN
[    9.042412][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.042697][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.042920][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.043510][  T196] RSP: 0018:ffa0000000927a78 EFLAGS: 00010286
[    9.043713][  T196] RAX: 00000000ffffffa6 RBX: ff1100000c991e00 RCX: 1ff4000000124f15
[    9.043960][  T196] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c991ebc
[    9.044192][  T196] RBP: ff1100000a8e4000 R08: 1fe22000019323d9 R09: ff1100000f790b80
[    9.044435][  T196] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.044751][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8e4000
[    9.044997][  T196] FS:  00007fd2d1009840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[    9.045260][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.045555][  T196] CR2: 0000000000479648 CR3: 000000000e64d003 CR4: 0000000000771ef0
[    9.045792][  T196] PKRU: 55555554
[    9.045944][  T196] Call Trace:
[    9.046167][  T196]  <TASK>
[    9.046282][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.046458][  T196]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.046630][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.046773][  T196]  register_netdevice (net/core/dev.c:11488)
[    9.047056][  T196]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.047259][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.047444][  T196]  register_netdev (net/core/dev.c:11552)
[    9.047617][  T196]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.047914][  T196]  ops_init (net/core/net_namespace.c:137)
[    9.048059][  T196]  setup_net (net/core/net_namespace.c:446)
[    9.048200][  T196]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.048378][  T196]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.048631][  T196]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.048803][  T196]  copy_net_ns (net/core/net_namespace.c:579)
[    9.048991][  T196]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.049164][  T196]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.049426][  T196]  ksys_unshare (kernel/fork.c:3243)
[    9.049596][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.049769][  T196]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.049951][  T196]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.050207][  T196]  ? __ia32_sys_open (fs/open.c:1374)
[    9.050391][  T196]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.050562][  T196]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.050731][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.050996][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.051166][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.051348][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.051550][  T196] RIP: 0033:0x7fd2d12cbbcb
[    9.051813][  T196] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.052401][  T196] RSP: 002b:00007ffed43e2438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.052638][  T196] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd2d12cbbcb
[    9.052866][  T196] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.053192][  T196] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.053432][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed43e4660
[    9.053668][  T196] R13: 0000000000000001 R14: 00007fd2d10096f8 R15: 00007ffed43e587f
| [    9.058708][  T196] ------------[ cut here ]------------
| [    9.058876][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/196
| [    9.059150][  T196] Modules linked in:
| [    9.059596][  T196] Tainted: [W]=WARN
[    9.059734][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.059950][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.060157][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.060744][  T196] RSP: 0018:ffa0000000927a68 EFLAGS: 00010286
[    9.060958][  T196] RAX: 00000000ffffffa6 RBX: ff1100000d357700 RCX: 1ff4000000124f13
[    9.061191][  T196] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3577bc
[    9.061512][  T196] RBP: ff11000009264000 R08: 1fe2200001a6aef9 R09: ff1100000f790b80
[    9.061773][  T196] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.062100][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009264000
[    9.062344][  T196] FS:  00007fd2d1009840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[    9.062607][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.062907][  T196] CR2: 0000000000479648 CR3: 000000000e64d003 CR4: 0000000000771ef0
[    9.063139][  T196] PKRU: 55555554
[    9.063283][  T196] Call Trace:
[    9.063423][  T196]  <TASK>
[    9.063619][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.063790][  T196]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.063972][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.064115][  T196]  register_netdevice (net/core/dev.c:11488)
[    9.064293][  T196]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.064582][  T196]  register_netdev (net/core/dev.c:11552)
[    9.064753][  T196]  sit_init_net (net/ipv6/sit.c:1860)
[    9.065426][  T196]  ops_init (net/core/net_namespace.c:137)
[    9.065917][  T196]  setup_net (net/core/net_namespace.c:446)
[    9.066111][  T196]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.066341][  T196]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.066563][  T196]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.066786][  T196]  copy_net_ns (net/core/net_namespace.c:579)
[    9.067031][  T196]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.067254][  T196]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.067483][  T196]  ksys_unshare (kernel/fork.c:3243)
[    9.067701][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.067937][  T196]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.068158][  T196]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.068386][  T196]  ? __ia32_sys_open (fs/open.c:1374)
[    9.068609][  T196]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.068830][  T196]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.069064][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.069294][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.069516][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.069737][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.070000][  T196] RIP: 0033:0x7fd2d12cbbcb
[    9.070228][  T196] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.070781][  T196] RSP: 002b:00007ffed43e2438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.071077][  T196] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd2d12cbbcb
[    9.071365][  T196] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.071649][  T196] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.071945][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed43e4660
[    9.072225][  T196] R13: 0000000000000001 R14: 00007fd2d10096f8 R15: 00007ffed43e587f
| [    9.084372][  T196] ------------[ cut here ]------------
| [    9.084512][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/196
| [    9.084729][  T196] Modules linked in:
| [    9.085100][  T196] Tainted: [W]=WARN
[    9.085195][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.085362][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.085526][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.085978][  T196] RSP: 0018:ffa0000000927a78 EFLAGS: 00010286
[    9.086137][  T196] RAX: 00000000ffffffa6 RBX: ff1100000d15e3c0 RCX: 1ff4000000124f15
[    9.086332][  T196] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15e47c
[    9.086520][  T196] RBP: ff11000008bc1000 R08: 1fe2200001a2bc91 R09: ff1100000f790b80
[    9.086706][  T196] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.086898][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bc1000
[    9.087089][  T196] FS:  00007fd2d1009840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[    9.087313][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.087472][  T196] CR2: 00005608d5137d5c CR3: 000000000e64d004 CR4: 0000000000771ef0
[    9.087662][  T196] PKRU: 55555554
[    9.087756][  T196] Call Trace:
[    9.087852][  T196]  <TASK>
[    9.087923][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.088050][  T196]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.088176][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.088276][  T196]  register_netdevice (net/core/dev.c:11488)
[    9.088405][  T196]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.088564][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.088693][  T196]  register_netdev (net/core/dev.c:11552)
[    9.088820][  T196]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.088951][  T196]  ops_init (net/core/net_namespace.c:137)
[    9.089049][  T196]  setup_net (net/core/net_namespace.c:446)
[    9.089145][  T196]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.089275][  T196]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.089404][  T196]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.089533][  T196]  copy_net_ns (net/core/net_namespace.c:579)
[    9.089661][  T196]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.089790][  T196]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.089923][  T196]  ksys_unshare (kernel/fork.c:3243)
[    9.090050][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.090175][  T196]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.090306][  T196]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.090435][  T196]  ? __ia32_sys_open (fs/open.c:1374)
[    9.090564][  T196]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.090689][  T196]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.090815][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.090948][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.091074][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.091200][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.091361][  T196] RIP: 0033:0x7fd2d12cbbcb
[    9.091492][  T196] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.091945][  T196] RSP: 002b:00007ffed43e2438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.092135][  T196] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd2d12cbbcb
[    9.092327][  T196] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.092515][  T196] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.092701][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed43e4660
[    9.092892][  T196] R13: 0000000000000001 R14: 00007fd2d10096f8 R15: 00007ffed43e587f
| [    9.115675][  T197] ------------[ cut here ]------------
| [    9.115813][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/197
| [    9.116633][  T197] Modules linked in:
| [    9.116996][  T197] Tainted: [W]=WARN
[    9.117089][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.117244][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.117411][  T197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.117854][  T197] RSP: 0018:ffa0000000927020 EFLAGS: 00010286
[    9.118017][  T197] RAX: 00000000ffffffa6 RBX: ff110000052eb000 RCX: 1ff4000000124dca
[    9.118203][  T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052eb0bc
[    9.118393][  T197] RBP: ff11000009359000 R08: 1fe2200000a5d619 R09: ff1100000f792e58
[    9.118579][  T197] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.118767][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.118960][  T197] FS:  00007facbbd7a840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[    9.119178][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.119338][  T197] CR2: 0000000005113988 CR3: 000000000f245001 CR4: 0000000000771ef0
[    9.119527][  T197] PKRU: 55555554
[    9.119620][  T197] Call Trace:
[    9.119712][  T197]  <TASK>
[    9.119777][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.119909][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.120004][  T197]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.120129][  T197]  __dev_notify_flags (net/core/dev.c:9787)
[    9.120255][  T197]  ? netif_change_name (net/core/dev.c:1495)
[    9.120387][  T197]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.120513][  T197]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.120637][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.120763][  T197]  ? 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))
[    9.120896][  T197]  netif_change_flags (net/core/dev.c:9820)
[    9.121023][  T197]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.121150][  T197]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.121283][  T197]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.121410][  T197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.121568][  T197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.121693][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.121818][  T197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.121949][  T197]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.122077][  T197]  ? __kernel_text_address (kernel/extable.c:79)
[    9.122203][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.122334][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.122459][  T197]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.122585][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.122710][  T197]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.122836][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.122968][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.123094][  T197]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.123219][  T197]  ? __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)
[    9.123347][  T197]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.123472][  T197]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.123600][  T197]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.123729][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.123857][  T197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.123990][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.124115][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.124240][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.124371][  T197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.124496][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.124623][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.124748][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.124873][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.125004][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.125130][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.125259][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.125391][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.125515][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.125640][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.125767][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.125896][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.126024][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.126151][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.126281][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.126410][  T197]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.126535][  T197]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.126662][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.126789][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.126923][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.127050][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.127177][  T197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.127307][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.127436][  T197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.127563][  T197]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.127688][  T197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.127846][  T197]  ? move_addr_to_kernel (net/socket.c:258)
[    9.127979][  T197]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.128105][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.128233][  T197]  ___sys_sendmsg (net/socket.c:2752)
[    9.128363][  T197]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.128519][  T197]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.128658][  T197]  __sys_sendmsg (net/socket.c:2784)
[    9.128784][  T197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.128918][  T197]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.129077][  T197]  ? 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)
[    9.129204][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.129335][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.129462][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.129587][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.129713][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.129869][  T197] RIP: 0033:0x7facbbfb408e
[    9.130008][  T197] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.130460][  T197] RSP: 002b:00007ffe359fc790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.130651][  T197] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007facbbfb408e
[    9.130840][  T197] RDX: 0000000000000000 RSI: 00007ffe359fc840 RDI: 0000000000000005
[    9.131034][  T197] RBP: 00007ffe359fc7a0 R08: 0000000000000000 R09: 0000000000000000
[    9.131223][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0e
[    9.131417][  T197] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe359fcf10
| [    9.368131][  T204] ------------[ cut here ]------------
| [    9.368317][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: modprobe/204
| [    9.368632][  T204] Modules linked in: ip_gre(+) gre
| [    9.369192][  T204] Tainted: [W]=WARN
[    9.369352][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.369571][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.369795][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.370476][  T204] RSP: 0018:ffa00000008a74d8 EFLAGS: 00010286
[    9.370690][  T204] RAX: 00000000ffffffa6 RBX: ff1100000d0ccac0 RCX: 1ff4000000114e61
[    9.370951][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0ccb7c
[    9.371200][  T204] RBP: ff110000078e9000 R08: 1fe2200001a19971 R09: ff11000010755180
[    9.371457][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.371727][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000078e9000
[    9.371991][  T204] FS:  00007f51e7420780(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[    9.372282][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.372501][  T204] CR2: 00007f22a403c460 CR3: 0000000010925005 CR4: 0000000000771ef0
[    9.372755][  T204] PKRU: 55555554
[    9.372916][  T204] Call Trace:
[    9.373066][  T204]  <TASK>
[    9.373185][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.373376][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.373562][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.373714][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.373911][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.374131][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.374322][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.374508][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.374691][  T204]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.374876][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.375071][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.375256][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.375451][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.375636][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.375790][  T204]  register_pernet_operations (net/core/net_namespace.c:1318 net/core/net_namespace.c:1395)
[    9.375986][  T204]  ? ops_undo_list (net/core/net_namespace.c:179 (discriminator 1))
[    9.376168][  T204]  ? down_write (kernel/locking/rwsem.c:1350 (discriminator 1) kernel/locking/rwsem.c:1356 (discriminator 1) kernel/locking/rwsem.c:1626 (discriminator 1))
[    9.376363][  T204]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[    9.376580][  T204]  ? ipgre_fini (./include/linux/skbuff.h:2997 ./include/linux/skbuff.h:3155 net/ipv4/ip_gre.c:926) ip_gre
[    9.376763][  T204]  register_pernet_device (net/core/net_namespace.c:1482)
[    9.376961][  T204] ipgre_init (net/ipv4/ip_gre.c:1395) ip_gre
[    9.377144][  T204]  do_one_initcall (init/main.c:1392)
[    9.377335][  T204]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[    9.377551][  T204]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[    9.377736][  T204]  do_init_module (kernel/module/main.c:3106)
[    9.377933][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.378115][  T204]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[    9.378307][  T204]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6565)
[    9.378458][  T204]  load_module (kernel/module/main.c:3580)
[    9.378644][  T204]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3005)
[    9.378863][  T204]  ? backing_file_read_iter (fs/backing-file.c:210)
[    9.379060][  T204]  init_module_from_file (kernel/module/main.c:3777)
[    9.379243][  T204]  ? __do_sys_init_module (kernel/module/main.c:3651)
[    9.379433][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.379615][  T204]  ? ovl_fileattr_get (fs/overlayfs/inode.c:717)
[    9.379805][  T204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.380000][  T204]  ? 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)
[    9.380182][  T204]  idempotent_init_module (kernel/module/main.c:3789)
[    9.380372][  T204]  ? init_module_from_file (kernel/module/main.c:3778)
[    9.380558][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.380741][  T204]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.380937][  T204]  __x64_sys_finit_module (kernel/module/main.c:3815 kernel/module/main.c:3799 kernel/module/main.c:3799)
[    9.381121][  T204]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.381347][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.381528][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.381708][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.381902][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.382116][  T204] RIP: 0033:0x7f51e751a6bd
[    9.382311][  T204] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 0b b7 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb745
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb71b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.382837][  T204] RSP: 002b:00007fffbb1ec1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[    9.383099][  T204] RAX: ffffffffffffffda RBX: 000055b358ffa810 RCX: 00007f51e751a6bd
[    9.383350][  T204] RDX: 0000000000000000 RSI: 000055b32f363ffd RDI: 0000000000000001
[    9.383598][  T204] RBP: 00007fffbb1ec270 R08: 0000000000000000 R09: 0000000000000000
[    9.383846][  T204] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b32f363ffd
[    9.384104][  T204] R13: 000055b358ffa9a0 R14: 0000000000040000 R15: 0000000000000000
| [    9.388607][  T204] ------------[ cut here ]------------
| [    9.388786][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: modprobe/204
| [    9.389110][  T204] Modules linked in: ip_gre(+) gre
| [    9.389619][  T204] Tainted: [W]=WARN
[    9.389767][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.389992][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.390213][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.390745][  T204] RSP: 0018:ffa00000008a74d8 EFLAGS: 00010286
[    9.390972][  T204] RAX: 00000000ffffffa6 RBX: ff1100000d163380 RCX: 1ff4000000114e61
[    9.391217][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d16343c
[    9.391471][  T204] RBP: ff11000005fc9000 R08: 1fe2200001a2c689 R09: ff11000010755180
[    9.391718][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.391978][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005fc9000
[    9.392226][  T204] FS:  00007f51e7420780(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[    9.392516][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.392732][  T204] CR2: 00007f22a403c460 CR3: 0000000010925005 CR4: 0000000000771ef0
[    9.392995][  T204] PKRU: 55555554
[    9.393143][  T204] Call Trace:
[    9.393296][  T204]  <TASK>
[    9.393415][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.393597][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.393780][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.393942][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.394145][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.394371][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.394555][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.394739][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.394934][  T204]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.395120][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.395320][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.395504][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.395688][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.395872][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.396036][  T204]  register_pernet_operations (net/core/net_namespace.c:1318 net/core/net_namespace.c:1395)
[    9.396219][  T204]  ? ops_undo_list (net/core/net_namespace.c:179 (discriminator 1))
[    9.396409][  T204]  ? down_write (kernel/locking/rwsem.c:1350 (discriminator 1) kernel/locking/rwsem.c:1356 (discriminator 1) kernel/locking/rwsem.c:1626 (discriminator 1))
[    9.396592][  T204]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[    9.396810][  T204]  ? ipgre_fini (./include/linux/skbuff.h:2997 ./include/linux/skbuff.h:3155 net/ipv4/ip_gre.c:926) ip_gre
[    9.397008][  T204]  register_pernet_device (net/core/net_namespace.c:1482)
[    9.397191][  T204] ipgre_init (net/ipv4/ip_gre.c:1395) ip_gre
[    9.397384][  T204]  do_one_initcall (init/main.c:1392)
[    9.397568][  T204]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[    9.397784][  T204]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[    9.397983][  T204]  do_init_module (kernel/module/main.c:3106)
[    9.398171][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.398359][  T204]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[    9.398543][  T204]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6565)
[    9.398694][  T204]  load_module (kernel/module/main.c:3580)
[    9.398895][  T204]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3005)
[    9.399112][  T204]  ? backing_file_read_iter (fs/backing-file.c:210)
[    9.399303][  T204]  init_module_from_file (kernel/module/main.c:3777)
[    9.399488][  T204]  ? __do_sys_init_module (kernel/module/main.c:3651)
[    9.399671][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.399853][  T204]  ? ovl_fileattr_get (fs/overlayfs/inode.c:717)
[    9.400064][  T204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.400249][  T204]  ? 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)
[    9.400444][  T204]  idempotent_init_module (kernel/module/main.c:3789)
[    9.400628][  T204]  ? init_module_from_file (kernel/module/main.c:3778)
[    9.400816][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.401012][  T204]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.401197][  T204]  __x64_sys_finit_module (kernel/module/main.c:3815 kernel/module/main.c:3799 kernel/module/main.c:3799)
[    9.401385][  T204]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.401601][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.401784][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.401978][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.402161][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.402384][  T204] RIP: 0033:0x7f51e751a6bd
[    9.402573][  T204] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 0b b7 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb745
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb71b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.403107][  T204] RSP: 002b:00007fffbb1ec1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[    9.403368][  T204] RAX: ffffffffffffffda RBX: 000055b358ffa810 RCX: 00007f51e751a6bd
[    9.403614][  T204] RDX: 0000000000000000 RSI: 000055b32f363ffd RDI: 0000000000000001
[    9.403860][  T204] RBP: 00007fffbb1ec270 R08: 0000000000000000 R09: 0000000000000000
[    9.404123][  T204] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b32f363ffd
[    9.404377][  T204] R13: 000055b358ffa9a0 R14: 0000000000040000 R15: 0000000000000000
| [    9.409617][  T204] ------------[ cut here ]------------
| [    9.409795][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: modprobe/204
| [    9.410211][  T204] Modules linked in: ip_gre(+) gre
| [    9.410810][  T204] Tainted: [W]=WARN
[    9.410969][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.411182][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.411411][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.412045][  T204] RSP: 0018:ffa00000008a74d8 EFLAGS: 00010286
[    9.412363][  T204] RAX: 00000000ffffffa6 RBX: ff1100000c108900 RCX: 1ff4000000114e61
[    9.412609][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1089bc
[    9.412858][  T204] RBP: ff1100000f2cc000 R08: 1fe2200001821139 R09: ff11000010755180
[    9.413209][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.413464][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2cc000
[    9.413714][  T204] FS:  00007f51e7420780(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[    9.414128][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.414352][  T204] CR2: 00007f22a403c460 CR3: 0000000010925005 CR4: 0000000000771ef0
[    9.414691][  T204] PKRU: 55555554
[    9.414839][  T204] Call Trace:
[    9.415090][  T204]  <TASK>
[    9.415208][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.415399][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.415585][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.415736][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.415940][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.416158][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.416349][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.416532][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.416714][  T204]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.417092][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.417372][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.417557][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.417742][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.417939][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.418091][  T204]  register_pernet_operations (net/core/net_namespace.c:1318 net/core/net_namespace.c:1395)
[    9.418280][  T204]  ? ops_undo_list (net/core/net_namespace.c:179 (discriminator 1))
[    9.418464][  T204]  ? down_write (kernel/locking/rwsem.c:1350 (discriminator 1) kernel/locking/rwsem.c:1356 (discriminator 1) kernel/locking/rwsem.c:1626 (discriminator 1))
[    9.418649][  T204]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[    9.418864][  T204]  ? __up_write (kernel/locking/rwsem.c:1413)
[    9.419147][  T204]  ? __up_write (kernel/locking/rwsem.c:1418 (discriminator 1))
[    9.419342][  T204]  ? ipgre_fini (./include/linux/skbuff.h:2997 ./include/linux/skbuff.h:3155 net/ipv4/ip_gre.c:926) ip_gre
[    9.419526][  T204]  register_pernet_device (net/core/net_namespace.c:1482)
[    9.419709][  T204] ipgre_init (net/ipv4/ip_gre.c:1301 net/ipv4/ip_gre.c:1398) ip_gre
[    9.419904][  T204]  do_one_initcall (init/main.c:1392)
[    9.420092][  T204]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[    9.420405][  T204]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[    9.420590][  T204]  do_init_module (kernel/module/main.c:3106)
[    9.420776][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.420970][  T204]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[    9.421154][  T204]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6565)
[    9.421312][  T204]  load_module (kernel/module/main.c:3580)
[    9.421503][  T204]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3005)
[    9.421720][  T204]  ? backing_file_read_iter (fs/backing-file.c:210)
[    9.422804][  T204]  init_module_from_file (kernel/module/main.c:3777)
[    9.423004][  T204]  ? __do_sys_init_module (kernel/module/main.c:3651)
[    9.423186][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.423494][  T204]  ? ovl_fileattr_get (fs/overlayfs/inode.c:717)
[    9.423682][  T204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.423970][  T204]  ? 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)
[    9.424154][  T204]  idempotent_init_module (kernel/module/main.c:3789)
[    9.424344][  T204]  ? init_module_from_file (kernel/module/main.c:3778)
[    9.424530][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.424713][  T204]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.424999][  T204]  __x64_sys_finit_module (kernel/module/main.c:3815 kernel/module/main.c:3799 kernel/module/main.c:3799)
[    9.425277][  T204]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.425496][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.425679][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.425870][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.426065][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.426297][  T204] RIP: 0033:0x7f51e751a6bd
[    9.426484][  T204] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 0b b7 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb745
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb71b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.427024][  T204] RSP: 002b:00007fffbb1ec1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[    9.427372][  T204] RAX: ffffffffffffffda RBX: 000055b358ffa810 RCX: 00007f51e751a6bd
[    9.427619][  T204] RDX: 0000000000000000 RSI: 000055b32f363ffd RDI: 0000000000000001
[    9.427878][  T204] RBP: 00007fffbb1ec270 R08: 0000000000000000 R09: 0000000000000000
[    9.428141][  T204] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b32f363ffd
[    9.428404][  T204] R13: 000055b358ffa9a0 R14: 0000000000040000 R15: 0000000000000000
| [    9.434302][  T204] ------------[ cut here ]------------
| [    9.434486][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: modprobe/204
| [    9.434795][  T204] Modules linked in: ip_gre(+) gre
| [    9.435370][  T204] Tainted: [W]=WARN
[    9.435518][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.435733][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.435969][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.436520][  T204] RSP: 0018:ffa00000008a74d8 EFLAGS: 00010286
[    9.436736][  T204] RAX: 00000000ffffffa6 RBX: ff1100000bde8580 RCX: 1ff4000000114e61
[    9.436995][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bde863c
[    9.437242][  T204] RBP: ff1100000fd74000 R08: 1fe22000017bd0c9 R09: ff11000010755180
[    9.437496][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.437744][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd74000
[    9.438004][  T204] FS:  00007f51e7420780(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[    9.438292][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.438509][  T204] CR2: 00007f22a403c460 CR3: 0000000010925005 CR4: 0000000000771ef0
[    9.438786][  T204] PKRU: 55555554
[    9.438945][  T204] Call Trace:
[    9.439093][  T204]  <TASK>
[    9.439227][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.439419][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.439689][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.439840][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.440040][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.440254][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.440445][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.440627][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.440826][  T204]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.441022][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.441203][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.441396][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.441581][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.441764][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.442016][  T204]  register_pernet_operations (net/core/net_namespace.c:1318 net/core/net_namespace.c:1395)
[    9.442215][  T204]  ? ops_undo_list (net/core/net_namespace.c:179 (discriminator 1))
[    9.442404][  T204]  ? down_write (kernel/locking/rwsem.c:1350 (discriminator 1) kernel/locking/rwsem.c:1356 (discriminator 1) kernel/locking/rwsem.c:1626 (discriminator 1))
[    9.442618][  T204]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[    9.442835][  T204]  ? __up_write (kernel/locking/rwsem.c:1413)
[    9.443122][  T204]  ? __up_write (kernel/locking/rwsem.c:1418 (discriminator 1))
[    9.443403][  T204]  ? ipgre_fini (./include/linux/skbuff.h:2997 ./include/linux/skbuff.h:3155 net/ipv4/ip_gre.c:926) ip_gre
[    9.443675][  T204]  register_pernet_device (net/core/net_namespace.c:1482)
[    9.443857][  T204] ipgre_init (net/ipv4/ip_gre.c:1301 net/ipv4/ip_gre.c:1398) ip_gre
[    9.444069][  T204]  do_one_initcall (init/main.c:1392)
[    9.444254][  T204]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[    9.444478][  T204]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[    9.444664][  T204]  do_init_module (kernel/module/main.c:3106)
[    9.444858][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.445060][  T204]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[    9.445260][  T204]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6565)
[    9.445512][  T204]  load_module (kernel/module/main.c:3580)
[    9.445788][  T204]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3005)
[    9.446206][  T204]  ? backing_file_read_iter (fs/backing-file.c:210)
[    9.446430][  T204]  init_module_from_file (kernel/module/main.c:3777)
[    9.446613][  T204]  ? __do_sys_init_module (kernel/module/main.c:3651)
[    9.446906][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.447106][  T204]  ? ovl_fileattr_get (fs/overlayfs/inode.c:717)
[    9.447297][  T204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.447481][  T204]  ? 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)
[    9.447663][  T204]  idempotent_init_module (kernel/module/main.c:3789)
[    9.447848][  T204]  ? init_module_from_file (kernel/module/main.c:3778)
[    9.448070][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.448253][  T204]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.448446][  T204]  __x64_sys_finit_module (kernel/module/main.c:3815 kernel/module/main.c:3799 kernel/module/main.c:3799)
[    9.448629][  T204]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.448947][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.449129][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.449425][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.449802][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.450205][  T204] RIP: 0033:0x7f51e751a6bd
[    9.450401][  T204] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 0b b7 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb745
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb71b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.452251][  T204] RSP: 002b:00007fffbb1ec1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[    9.452597][  T204] RAX: ffffffffffffffda RBX: 000055b358ffa810 RCX: 00007f51e751a6bd
[    9.452844][  T204] RDX: 0000000000000000 RSI: 000055b32f363ffd RDI: 0000000000000001
[    9.453102][  T204] RBP: 00007fffbb1ec270 R08: 0000000000000000 R09: 0000000000000000
[    9.453451][  T204] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b32f363ffd
[    9.453697][  T204] R13: 000055b358ffa9a0 R14: 0000000000040000 R15: 0000000000000000
| [    9.459470][  T204] ------------[ cut here ]------------
| [    9.459654][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: modprobe/204
| [    9.460082][  T204] Modules linked in: ip_gre(+) gre
| [    9.460595][  T204] Tainted: [W]=WARN
[    9.460845][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.461073][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.461305][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.461937][  T204] RSP: 0018:ffa00000008a74d8 EFLAGS: 00010286
[    9.462156][  T204] RAX: 00000000ffffffa6 RBX: ff1100000bde9540 RCX: 1ff4000000114e61
[    9.462506][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bde95fc
[    9.462753][  T204] RBP: ff1100000fca4000 R08: 1fe22000017bd2c1 R09: ff11000010755180
[    9.463113][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.463371][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fca4000
[    9.463624][  T204] FS:  00007f51e7420780(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[    9.464009][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.464224][  T204] CR2: 00007f22a403c460 CR3: 0000000010925005 CR4: 0000000000771ef0
[    9.464485][  T204] PKRU: 55555554
[    9.464721][  T204] Call Trace:
[    9.464868][  T204]  <TASK>
[    9.464998][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.465184][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.465376][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.465527][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.465712][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.465937][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.466124][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.466405][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.466589][  T204]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.466773][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.466969][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.467154][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.467357][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.467544][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.467698][  T204]  register_pernet_operations (net/core/net_namespace.c:1318 net/core/net_namespace.c:1395)
[    9.467983][  T204]  ? ops_undo_list (net/core/net_namespace.c:179 (discriminator 1))
[    9.468167][  T204]  ? down_write (kernel/locking/rwsem.c:1350 (discriminator 1) kernel/locking/rwsem.c:1356 (discriminator 1) kernel/locking/rwsem.c:1626 (discriminator 1))
[    9.468364][  T204]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[    9.468583][  T204]  ? __up_write (kernel/locking/rwsem.c:1413)
[    9.468854][  T204]  ? __up_write (kernel/locking/rwsem.c:1418 (discriminator 1))
[    9.469052][  T204]  ? ipgre_fini (./include/linux/skbuff.h:2997 ./include/linux/skbuff.h:3155 net/ipv4/ip_gre.c:926) ip_gre
[    9.469237][  T204]  register_pernet_device (net/core/net_namespace.c:1482)
[    9.469432][  T204] ipgre_init (net/ipv4/ip_gre.c:1395) ip_gre
[    9.469705][  T204]  do_one_initcall (init/main.c:1392)
[    9.469903][  T204]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[    9.470306][  T204]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[    9.470598][  T204]  do_init_module (kernel/module/main.c:3106)
[    9.470783][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.470984][  T204]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[    9.471168][  T204]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6565)
[    9.471416][  T204]  load_module (kernel/module/main.c:3580)
[    9.471694][  T204]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3005)
[    9.471921][  T204]  ? backing_file_read_iter (fs/backing-file.c:210)
[    9.472193][  T204]  init_module_from_file (kernel/module/main.c:3777)
[    9.472566][  T204]  ? __do_sys_init_module (kernel/module/main.c:3651)
[    9.472749][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.472944][  T204]  ? ovl_fileattr_get (fs/overlayfs/inode.c:717)
[    9.473131][  T204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.473321][  T204]  ? 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)
[    9.473504][  T204]  idempotent_init_module (kernel/module/main.c:3789)
[    9.473687][  T204]  ? init_module_from_file (kernel/module/main.c:3778)
[    9.473874][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.474069][  T204]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.474252][  T204]  __x64_sys_finit_module (kernel/module/main.c:3815 kernel/module/main.c:3799 kernel/module/main.c:3799)
[    9.474456][  T204]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.474671][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.474958][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.475140][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.475329][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.475545][  T204] RIP: 0033:0x7f51e751a6bd
[    9.475841][  T204] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 0b b7 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb745
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb71b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.476474][  T204] RSP: 002b:00007fffbb1ec1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[    9.476726][  T204] RAX: ffffffffffffffda RBX: 000055b358ffa810 RCX: 00007f51e751a6bd
[    9.477000][  T204] RDX: 0000000000000000 RSI: 000055b32f363ffd RDI: 0000000000000001
[    9.477348][  T204] RBP: 00007fffbb1ec270 R08: 0000000000000000 R09: 0000000000000000
[    9.477593][  T204] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b32f363ffd
[    9.477838][  T204] R13: 000055b358ffa9a0 R14: 0000000000040000 R15: 0000000000000000
| [    9.487867][  T204] ------------[ cut here ]------------
| [    9.488108][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: modprobe/204
| [    9.488499][  T204] Modules linked in: ip_gre(+) gre
| [    9.489127][  T204] Tainted: [W]=WARN
[    9.489341][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.489614][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.489927][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.490515][  T204] RSP: 0018:ffa00000008a74d8 EFLAGS: 00010286
[    9.490789][  T204] RAX: 00000000ffffffa6 RBX: ff1100000ab58e40 RCX: 1ff4000000114e61
[    9.491121][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab58efc
[    9.491431][  T204] RBP: ff11000010be9000 R08: 1fe220000156b1e1 R09: ff11000010755180
[    9.491732][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.492048][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010be9000
[    9.492359][  T204] FS:  00007f51e7420780(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[    9.492717][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.492996][  T204] CR2: 00007f22a403c460 CR3: 0000000010925005 CR4: 0000000000771ef0
[    9.493311][  T204] PKRU: 55555554
[    9.493513][  T204] Call Trace:
[    9.493714][  T204]  <TASK>
[    9.493958][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.494214][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.494460][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.494665][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.494918][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.495191][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.495437][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.495691][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.495944][  T204]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.496183][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.496428][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.496665][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.496916][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.497158][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.497392][  T204]  register_pernet_operations (net/core/net_namespace.c:1318 net/core/net_namespace.c:1395)
[    9.497631][  T204]  ? ops_undo_list (net/core/net_namespace.c:179 (discriminator 1))
[    9.497867][  T204]  ? down_write (kernel/locking/rwsem.c:1350 (discriminator 1) kernel/locking/rwsem.c:1356 (discriminator 1) kernel/locking/rwsem.c:1626 (discriminator 1))
[    9.498118][  T204]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[    9.498397][  T204]  ? __up_write (kernel/locking/rwsem.c:1413)
[    9.498632][  T204]  ? __up_write (kernel/locking/rwsem.c:1418 (discriminator 1))
[    9.498906][  T204]  ? ipgre_fini (./include/linux/skbuff.h:2997 ./include/linux/skbuff.h:3155 net/ipv4/ip_gre.c:926) ip_gre
[    9.499144][  T204]  register_pernet_device (net/core/net_namespace.c:1482)
[    9.499388][  T204] ipgre_init (net/ipv4/ip_gre.c:1395) ip_gre
[    9.499626][  T204]  do_one_initcall (init/main.c:1392)
[    9.499863][  T204]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[    9.500147][  T204]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[    9.500395][  T204]  do_init_module (kernel/module/main.c:3106)
[    9.500652][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.500901][  T204]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[    9.501139][  T204]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6565)
[    9.501353][  T204]  load_module (kernel/module/main.c:3580)
[    9.501595][  T204]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3005)
[    9.501867][  T204]  ? backing_file_read_iter (fs/backing-file.c:210)
[    9.502137][  T204]  init_module_from_file (kernel/module/main.c:3777)
[    9.502385][  T204]  ? __do_sys_init_module (kernel/module/main.c:3651)
[    9.502623][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.502860][  T204]  ? ovl_fileattr_get (fs/overlayfs/inode.c:717)
[    9.503113][  T204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.503357][  T204]  ? 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)
[    9.503595][  T204]  idempotent_init_module (kernel/module/main.c:3789)
[    9.503851][  T204]  ? init_module_from_file (kernel/module/main.c:3778)
[    9.504105][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.504308][  T204]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.504491][  T204]  __x64_sys_finit_module (kernel/module/main.c:3815 kernel/module/main.c:3799 kernel/module/main.c:3799)
[    9.504671][  T204]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.504899][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.505098][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.505287][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.505470][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.505685][  T204] RIP: 0033:0x7f51e751a6bd
[    9.505871][  T204] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 0b b7 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb745
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb71b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.506432][  T204] RSP: 002b:00007fffbb1ec1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[    9.506681][  T204] RAX: ffffffffffffffda RBX: 000055b358ffa810 RCX: 00007f51e751a6bd
[    9.506935][  T204] RDX: 0000000000000000 RSI: 000055b32f363ffd RDI: 0000000000000001
[    9.507181][  T204] RBP: 00007fffbb1ec270 R08: 0000000000000000 R09: 0000000000000000
[    9.507452][  T204] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b32f363ffd
[    9.507699][  T204] R13: 000055b358ffa9a0 R14: 0000000000040000 R15: 0000000000000000
| [    9.526421][  T203] ------------[ cut here ]------------
| [    9.526676][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/203
| [    9.527076][  T203] Modules linked in: ip_gre gre
| [    9.527537][  T203] Tainted: [W]=WARN
[    9.527641][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.527822][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.528101][  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
[    9.528594][  T203] RSP: 0018:ffa0000000986f10 EFLAGS: 00010286
[    9.528824][  T203] RAX: 00000000ffffffa6 RBX: ff1100000e174900 RCX: 1ff4000000130da8
[    9.529091][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e1749bc
[    9.529300][  T203] RBP: ff1100000fea9000 R08: 1fe2200001c2e939 R09: ff11000010752e80
[    9.529506][  T203] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[    9.529713][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.529982][  T203] FS:  00007f22a3e43840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[    9.530222][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.530402][  T203] CR2: 00005613bfa96548 CR3: 000000001077f002 CR4: 0000000000771ef0
[    9.530610][  T203] PKRU: 55555554
[    9.530713][  T203] Call Trace:
[    9.530816][  T203]  <TASK>
[    9.530946][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.531088][  T203]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    9.531227][  T203]  notifier_call_chain (kernel/notifier.c:85)
[    9.531373][  T203]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[    9.531512][  T203]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[    9.531650][  T203]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[    9.531824][  T203]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[    9.532062][  T203]  netif_set_mtu (net/core/dev.c:9910)
[    9.532201][  T203]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[    9.532344][  T203]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[    9.532487][  T203]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.532626][  T203]  dev_set_mtu (net/core/dev_api.c:249)
[    9.532732][  T203]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[    9.532872][  T203]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[    9.533070][  T203]  ? ipgre_get_size (net/ipv4/ip_gre.c:1553) ip_gre
[    9.533211][  T203]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[    9.533389][  T203] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[    9.533528][  T203]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[    9.533703][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.533844][  T203]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.534046][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.534185][  T203]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.534327][  T203]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.534470][  T203]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.534612][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.534752][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.534982][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.535120][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.535258][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.535400][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.535541][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.535682][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.535820][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.536019][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.536158][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.536300][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.536439][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.536581][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.536721][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.536860][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.537083][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.537230][  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))
[    9.537372][  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))
[    9.537513][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.537653][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.537792][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.538018][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.538158][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.538303][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.538445][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.538585][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.538723][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.538955][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[    9.539100][  T203]  ___sys_sendmsg (net/socket.c:2752)
[    9.539240][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.539384][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.539532][  T203]  ? 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))
[    9.539674][  T203]  __sys_sendmsg (net/socket.c:2784)
[    9.539813][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.540017][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.540155][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.540300][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.540438][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.540574][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.540713][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.540971][  T203] RIP: 0033:0x7f22a407d08e
[    9.541118][  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
[    9.541617][  T203] RSP: 002b:00007ffe201a8380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.541824][  T203] RAX: ffffffffffffffda RBX: 00007ffe201a8b30 RCX: 00007f22a407d08e
[    9.542116][  T203] RDX: 0000000000000000 RSI: 00007ffe201a8430 RDI: 0000000000000005
[    9.542328][  T203] RBP: 00007ffe201a8390 R08: 0000000000000000 R09: 0000000000000000
[    9.542534][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0e
[    9.542740][  T203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe201a8af0
| [    9.545644][  T203] ------------[ cut here ]------------
| [    9.545779][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/203
| [    9.546022][  T203] Modules linked in: ip_gre gre
| [    9.546432][  T203] Tainted: [W]=WARN
[    9.546532][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.546698][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.546868][  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
[    9.547398][  T203] RSP: 0018:ffa00000009871b0 EFLAGS: 00010286
[    9.547564][  T203] RAX: 00000000ffffffa6 RBX: ff1100000ab51e00 RCX: 1ff4000000130dfc
[    9.547762][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab51ebc
[    9.547964][  T203] RBP: ff1100000fea9000 R08: 1fe220000156a3d9 R09: ff11000010752e80
[    9.548169][  T203] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.548375][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f7060
[    9.548574][  T203] FS:  00007f22a3e43840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[    9.548807][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.548988][  T203] CR2: 00005613bfa96548 CR3: 000000001077f002 CR4: 0000000000771ef0
[    9.549187][  T203] PKRU: 55555554
[    9.549291][  T203] Call Trace:
[    9.549391][  T203]  <TASK>
[    9.549464][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.549598][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.549699][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[    9.549834][  T203]  ? netif_change_name (net/core/dev.c:1495)
[    9.550030][  T203]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[    9.550197][  T203]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.550337][  T203]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.550473][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.550607][  T203]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.550739][  T203]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.550881][  T203]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.551079][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.551215][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.551348][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.551481][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.551670][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.551803][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.552002][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.552137][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.552276][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.552408][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.552541][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.552673][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.552808][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.553000][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.553133][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.553265][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.553403][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.553540][  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))
[    9.553671][  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))
[    9.553807][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.554000][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.554134][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.554268][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.554406][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.554540][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.554680][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.554817][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.555010][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.555177][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[    9.555319][  T203]  ___sys_sendmsg (net/socket.c:2752)
[    9.555451][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.555585][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.555727][  T203]  ? 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))
[    9.555864][  T203]  __sys_sendmsg (net/socket.c:2784)
[    9.556057][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.556195][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.556335][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.556469][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.556606][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.556741][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.556874][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.557097][  T203] RIP: 0033:0x7f22a407d08e
[    9.557237][  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
[    9.557719][  T203] RSP: 002b:00007ffe201a8380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.557981][  T203] RAX: ffffffffffffffda RBX: 00007ffe201a8b30 RCX: 00007f22a407d08e
[    9.558180][  T203] RDX: 0000000000000000 RSI: 00007ffe201a8430 RDI: 0000000000000005
[    9.558379][  T203] RBP: 00007ffe201a8390 R08: 0000000000000000 R09: 0000000000000000
[    9.558578][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0e
[    9.558778][  T203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe201a8af0
| [    9.641251][  T213] ------------[ cut here ]------------
| [    9.641406][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/213
| [    9.641629][  T213] Modules linked in: ip_gre gre
| [    9.642034][  T213] Tainted: [W]=WARN
[    9.642134][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.642297][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.642464][  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
[    9.642923][  T213] RSP: 0018:ffa0000000507020 EFLAGS: 00010286
[    9.643084][  T213] RAX: 00000000ffffffa6 RBX: ff110000097c23c0 RCX: 1ff40000000a0dca
[    9.643283][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c247c
[    9.643476][  T213] RBP: ff1100000fea9000 R08: 1fe22000012f8491 R09: ff1100000f6dae58
[    9.643664][  T213] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.643853][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.644051][  T213] FS:  00007f36830f3840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[    9.644282][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.644445][  T213] CR2: 00000000305ae988 CR3: 000000000f3e8005 CR4: 0000000000771ef0
[    9.644636][  T213] PKRU: 55555554
[    9.644733][  T213] Call Trace:
[    9.644828][  T213]  <TASK>
[    9.644900][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.645031][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.645128][  T213]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.645257][  T213]  __dev_notify_flags (net/core/dev.c:9787)
[    9.645394][  T213]  ? netif_change_name (net/core/dev.c:1495)
[    9.645522][  T213]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.645651][  T213]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.645778][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.645988][  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))
[    9.646120][  T213]  netif_change_flags (net/core/dev.c:9820)
[    9.646326][  T213]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.646457][  T213]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.646587][  T213]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.646716][  T213]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.646875][  T213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.647088][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.647216][  T213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.647346][  T213]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.647475][  T213]  ? __kernel_text_address (kernel/extable.c:79)
[    9.647603][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.647733][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.647861][  T213]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.648073][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.648202][  T213]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.648334][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.648462][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.648591][  T213]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.648721][  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)
[    9.648850][  T213]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.649053][  T213]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.649185][  T213]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.649319][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.649451][  T213]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.649580][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.649709][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.649838][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.650040][  T213]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.650168][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.650306][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.650434][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.650561][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.650691][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.650819][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.650999][  T213]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.651128][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.651257][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.651392][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.651523][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.651652][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.651783][  T213]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.651918][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.652048][  T213]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.652179][  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))
[    9.652312][  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))
[    9.652442][  T213]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.652571][  T213]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.652699][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.652827][  T213]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.652961][  T213]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.653091][  T213]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.653222][  T213]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.653355][  T213]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.653481][  T213]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.653639][  T213]  ? move_addr_to_kernel (net/socket.c:258)
[    9.653768][  T213]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.653899][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.654028][  T213]  ___sys_sendmsg (net/socket.c:2752)
[    9.654154][  T213]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.654316][  T213]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.654456][  T213]  __sys_sendmsg (net/socket.c:2784)
[    9.654586][  T213]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.654714][  T213]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.654877][  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)
[    9.655014][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.655144][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.655276][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.655405][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.655532][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.655692][  T213] RIP: 0033:0x7f368332d08e
[    9.655828][  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
[    9.656295][  T213] RSP: 002b:00007ffc3d2fa880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.656492][  T213] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f368332d08e
[    9.656683][  T213] RDX: 0000000000000000 RSI: 00007ffc3d2fa930 RDI: 0000000000000005
[    9.656874][  T213] RBP: 00007ffc3d2fa890 R08: 0000000000000000 R09: 0000000000000000
[    9.657073][  T213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0e
[    9.657263][  T213] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3d2fb000
| [    9.765149][  T221] ------------[ cut here ]------------
| [    9.765344][  T221] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/221
| [    9.765614][  T221] Modules linked in: ip_gre gre
| [    9.766340][  T221] Tainted: [W]=WARN
[    9.766480][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.766684][  T221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.766906][  T221] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.767408][  T221] RSP: 0018:ffa0000000537020 EFLAGS: 00010286
[    9.767612][  T221] RAX: 00000000ffffffa6 RBX: ff1100000e22a900 RCX: 1ff40000000a6dca
[    9.767848][  T221] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22a9bc
[    9.768090][  T221] RBP: ff1100000fea9000 R08: 1fe2200001c45539 R09: ff1100000bb68b58
[    9.768330][  T221] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.768561][  T221] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.768797][  T221] FS:  00007f9e22c34840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[    9.769077][  T221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.769287][  T221] CR2: 000000001a913988 CR3: 000000000a907003 CR4: 0000000000771ef0
[    9.769522][  T221] PKRU: 55555554
[    9.769660][  T221] Call Trace:
[    9.769799][  T221]  <TASK>
[    9.769922][  T221]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.770099][  T221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.770241][  T221]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.770418][  T221]  __dev_notify_flags (net/core/dev.c:9787)
[    9.770593][  T221]  ? netif_change_name (net/core/dev.c:1495)
[    9.770765][  T221]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[    9.770949][  T221]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.771120][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.771301][  T221]  ? 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))
[    9.771477][  T221]  netif_change_flags (net/core/dev.c:9820)
[    9.771650][  T221]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.771822][  T221]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.772010][  T221]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.772182][  T221]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.772396][  T221]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.772567][  T221]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.772738][  T221]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.772921][  T221]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.773093][  T221]  ? __kernel_text_address (kernel/extable.c:79)
[    9.773266][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.773445][  T221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.773619][  T221]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.773792][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.773975][  T221]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.774145][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.774318][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.774490][  T221]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.774663][  T221]  ? __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)
[    9.774834][  T221]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.775022][  T221]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.775195][  T221]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.775376][  T221]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.775550][  T221]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.775725][  T221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.775906][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.776078][  T221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.776248][  T221]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.776429][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.776604][  T221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.776774][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.776959][  T221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.777132][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.777310][  T221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.777483][  T221]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.777656][  T221]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.777827][  T221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.778010][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.778184][  T221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.778362][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.778536][  T221]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.778710][  T221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.778881][  T221]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.779071][  T221]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.779243][  T221]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.779423][  T221]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.779596][  T221]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.779768][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.779953][  T221]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.780126][  T221]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.780304][  T221]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.780480][  T221]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.780652][  T221]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.780823][  T221]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.781034][  T221]  ? move_addr_to_kernel (net/socket.c:258)
[    9.781207][  T221]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.781382][  T221]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.781554][  T221]  ___sys_sendmsg (net/socket.c:2752)
[    9.781726][  T221]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.781935][  T221]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.782118][  T221]  __sys_sendmsg (net/socket.c:2784)
[    9.782296][  T221]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.782466][  T221]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.782671][  T221]  ? 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)
[    9.782843][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.783034][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.783207][  T221]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.783388][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.783563][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.783764][  T221] RIP: 0033:0x7f9e22e6e08e
[    9.783953][  T221] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.784453][  T221] RSP: 002b:00007fffae083c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.784687][  T221] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9e22e6e08e
[    9.784931][  T221] RDX: 0000000000000000 RSI: 00007fffae083d10 RDI: 0000000000000005
[    9.785166][  T221] RBP: 00007fffae083c70 R08: 0000000000000000 R09: 0000000000000000
[    9.785406][  T221] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[    9.785637][  T221] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffae0843e0
| [    9.845574][  T223] ------------[ cut here ]------------
| [    9.845720][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/223
| [    9.846027][  T223] Modules linked in: ip_gre gre
| [    9.846417][  T223] Tainted: [W]=WARN
[    9.846512][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.846670][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.846833][  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
[    9.847365][  T223] RSP: 0018:ffa0000000547020 EFLAGS: 00010286
[    9.847527][  T223] RAX: 00000000ffffffa6 RBX: ff1100000576c040 RCX: 1ff40000000a8dca
[    9.847717][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576c0fc
[    9.847987][  T223] RBP: ff1100000fea9000 R08: 1fe2200000aed821 R09: ff1100000bb6d158
[    9.848174][  T223] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.848364][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.848554][  T223] FS:  00007f4580cc8840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[    9.848773][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.849013][  T223] CR2: 0000000022a27988 CR3: 000000000d6c6003 CR4: 0000000000771ef0
[    9.849201][  T223] PKRU: 55555554
[    9.849301][  T223] Call Trace:
[    9.849395][  T223]  <TASK>
[    9.849462][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.849590][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.849685][  T223]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.849810][  T223]  __dev_notify_flags (net/core/dev.c:9787)
[    9.850022][  T223]  ? netif_change_name (net/core/dev.c:1495)
[    9.850147][  T223]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.850277][  T223]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.850405][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.850532][  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))
[    9.850660][  T223]  netif_change_flags (net/core/dev.c:9820)
[    9.850786][  T223]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.850976][  T223]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.851104][  T223]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.851231][  T223]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.851394][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.851519][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.851645][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.851770][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.851949][  T223]  ? __kernel_text_address (kernel/extable.c:79)
[    9.852076][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.852204][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.852337][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.852463][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.852589][  T223]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.852714][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.852840][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.853035][  T223]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.853161][  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)
[    9.853294][  T223]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.853421][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.853549][  T223]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.853677][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.853807][  T223]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.853940][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.854065][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.854191][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.854319][  T223]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.854445][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.854574][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.854700][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.854825][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.854957][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.855085][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.855211][  T223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.855342][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.855468][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.855594][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.855723][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.855849][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.855982][  T223]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.856109][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.856236][  T223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.856371][  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))
[    9.856498][  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))
[    9.856626][  T223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.856753][  T223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.856881][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.857016][  T223]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.857144][  T223]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.857278][  T223]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.857407][  T223]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.857535][  T223]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.857661][  T223]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.857817][  T223]  ? move_addr_to_kernel (net/socket.c:258)
[    9.857951][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.858078][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.858209][  T223]  ___sys_sendmsg (net/socket.c:2752)
[    9.858340][  T223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.858498][  T223]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.858637][  T223]  __sys_sendmsg (net/socket.c:2784)
[    9.858766][  T223]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.858898][  T223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.859059][  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)
[    9.859188][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.859319][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.859447][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.859574][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.859701][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.859860][  T223] RIP: 0033:0x7f4580f0208e
[    9.859997][  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
[    9.860455][  T223] RSP: 002b:00007fff0f5c6f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.860646][  T223] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4580f0208e
[    9.860836][  T223] RDX: 0000000000000000 RSI: 00007fff0f5c6fd0 RDI: 0000000000000005
[    9.861033][  T223] RBP: 00007fff0f5c6f30 R08: 0000000000000000 R09: 0000000000000000
[    9.861223][  T223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[    9.861417][  T223] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0f5c76a0
| [    9.995173][  T232] ------------[ cut here ]------------
| [    9.995338][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/232
| [    9.995563][  T232] Modules linked in: ip_gre gre
| [    9.995962][  T232] Tainted: [W]=WARN
[    9.996059][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.996219][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.996389][  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
[    9.996838][  T232] RSP: 0018:ffa00000005e7060 EFLAGS: 00010286
[    9.997003][  T232] RAX: 00000000ffffffa6 RBX: ff1100000f23e040 RCX: 1ff40000000bcdd2
[    9.997190][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23e0fc
[    9.997383][  T232] RBP: ff1100000fea9000 R08: 1fe2200001e47c21 R09: ff110000091e2e58
[    9.997570][  T232] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[    9.997786][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000005e70f8
[    9.997996][  T232] FS:  00007f9a4ece3840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[    9.998232][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.998398][  T232] CR2: 00000000277a4988 CR3: 00000000107bf001 CR4: 0000000000771ef0
[    9.998586][  T232] PKRU: 55555554
[    9.998681][  T232] Call Trace:
[    9.998775][  T232]  <TASK>
[    9.998842][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.998975][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.999072][  T232]  netif_close_many (net/core/dev.c:1804)
[    9.999199][  T232]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.999359][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.999487][  T232]  ? __dev_close_many (net/core/dev.c:1781)
[    9.999614][  T232]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[    9.999772][  T232]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    9.999934][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.000060][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.000187][  T232]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.000346][  T232]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.000474][  T232]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.000599][  T232]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   10.000755][  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))
[   10.000882][  T232]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   10.001016][  T232]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   10.001143][  T232]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   10.001271][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.001401][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.001528][  T232]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.001654][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.001778][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.002167][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.002301][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.002427][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.002552][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.002678][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.002804][  T232]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   10.002936][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.003062][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.003188][  T232]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.003317][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.003444][  T232]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.003571][  T232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.003698][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.003824][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.003955][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.004083][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.004211][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.004342][  T232]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.004470][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.004597][  T232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.004726][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.004851][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.004985][  T232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.005113][  T232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.005238][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.005370][  T232]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.005496][  T232]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.005624][  T232]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.005751][  T232]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.005876][  T232]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.006006][  T232]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.006160][  T232]  ? move_addr_to_kernel (net/socket.c:258)
[   10.006289][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.006416][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.006542][  T232]  ___sys_sendmsg (net/socket.c:2752)
[   10.006666][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.006822][  T232]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.006972][  T232]  __sys_sendmsg (net/socket.c:2784)
[   10.007099][  T232]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.007223][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.007383][  T232]  ? 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)
[   10.007510][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.007636][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.007763][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.007895][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.008023][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.008181][  T232] RIP: 0033:0x7f9a4ef1d08e
[   10.008317][  T232] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.008762][  T232] RSP: 002b:00007ffec9625c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.008959][  T232] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9a4ef1d08e
[   10.009146][  T232] RDX: 0000000000000000 RSI: 00007ffec9625d00 RDI: 0000000000000005
[   10.009337][  T232] RBP: 00007ffec9625c60 R08: 0000000000000000 R09: 0000000000000000
[   10.009525][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[   10.009713][  T232] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec96263d0
| [   10.012663][  T232] ------------[ cut here ]------------
| [   10.012801][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/232
| [   10.013500][  T232] Modules linked in: ip_gre gre
| [   10.013871][  T232] Tainted: [W]=WARN
[   10.013968][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.014120][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.014285][  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
[   10.014714][  T232] RSP: 0018:ffa00000005e7190 EFLAGS: 00010286
[   10.014865][  T232] RAX: 00000000ffffffa6 RBX: ff1100000f23f1c0 RCX: 1ff40000000bcdf8
[   10.015050][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23f27c
[   10.015230][  T232] RBP: ff1100000fea9000 R08: 1fe2200001e47e51 R09: ff110000091e2e58
[   10.015415][  T232] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.015595][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.015779][  T232] FS:  00007f9a4ece3840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   10.015995][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.016147][  T232] CR2: 00000000277a4988 CR3: 00000000107bf001 CR4: 0000000000771ef0
[   10.016333][  T232] PKRU: 55555554
[   10.016423][  T232] Call Trace:
[   10.016513][  T232]  <TASK>
[   10.016576][  T232]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.016731][  T232]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.016880][  T232]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.017007][  T232]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.017128][  T232]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   10.017283][  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))
[   10.017405][  T232]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   10.017525][  T232]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   10.017647][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.017767][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.017892][  T232]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.018014][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.018134][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.018277][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.018397][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.018519][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.018639][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.018760][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.018880][  T232]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   10.019009][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.019128][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.019254][  T232]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.019378][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.019502][  T232]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.019623][  T232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.019744][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.019864][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.019989][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.020113][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.020234][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.020362][  T232]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.020484][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.020608][  T232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.020732][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.020853][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.020982][  T232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.021106][  T232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.021229][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.021358][  T232]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.021480][  T232]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.021603][  T232]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.021726][  T232]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.021848][  T232]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.021975][  T232]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.022125][  T232]  ? move_addr_to_kernel (net/socket.c:258)
[   10.022250][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.022377][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.022500][  T232]  ___sys_sendmsg (net/socket.c:2752)
[   10.022621][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.022772][  T232]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.022909][  T232]  __sys_sendmsg (net/socket.c:2784)
[   10.023031][  T232]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.023153][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.023309][  T232]  ? 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)
[   10.023431][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.023554][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.023676][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.023796][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.023922][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.024072][  T232] RIP: 0033:0x7f9a4ef1d08e
[   10.024211][  T232] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.024646][  T232] RSP: 002b:00007ffec9625c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.024826][  T232] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9a4ef1d08e
[   10.025022][  T232] RDX: 0000000000000000 RSI: 00007ffec9625d00 RDI: 0000000000000005
[   10.025203][  T232] RBP: 00007ffec9625c60 R08: 0000000000000000 R09: 0000000000000000
[   10.025391][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[   10.025571][  T232] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec96263d0
| [   10.064425][  T233] ------------[ cut here ]------------
| [   10.064613][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/233
| [   10.064909][  T233] Modules linked in: ip_gre gre
| [   10.065423][  T233] Tainted: [W]=WARN
[   10.065570][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.065782][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.066015][  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
[   10.066551][  T233] RSP: 0018:ffa00000005e6f10 EFLAGS: 00010286
[   10.066766][  T233] RAX: 00000000ffffffa6 RBX: ff1100000bda2580 RCX: 1ff40000000bcda8
[   10.067024][  T233] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bda263c
[   10.067268][  T233] RBP: ff11000009a99000 R08: 1fe22000017b44c9 R09: ff1100000a94ae80
[   10.067523][  T233] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.067769][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   10.068030][  T233] FS:  00007fe354f84840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   10.068317][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.068531][  T233] CR2: 00007fe35517d460 CR3: 000000000fe5c005 CR4: 0000000000771ef0
[   10.068780][  T233] PKRU: 55555554
[   10.068935][  T233] Call Trace:
[   10.069081][  T233]  <TASK>
[   10.069197][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.069385][  T233]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.069568][  T233]  notifier_call_chain (kernel/notifier.c:85)
[   10.069752][  T233]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   10.069947][  T233]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   10.070126][  T233]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   10.070350][  T233]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   10.070566][  T233]  netif_set_mtu (net/core/dev.c:9910)
[   10.070747][  T233]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   10.070934][  T233]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   10.071121][  T233]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.071308][  T233]  dev_set_mtu (net/core/dev_api.c:249)
[   10.071458][  T233]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   10.071640][  T233]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   10.071822][  T233]  ? ipgre_get_size (net/ipv4/ip_gre.c:1553) ip_gre
[   10.072019][  T233]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   10.072233][  T233] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   10.072426][  T233]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   10.072643][  T233]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.072827][  T233]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.073023][  T233]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.073204][  T233]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.073389][  T233]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.073576][  T233]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.073799][  T233]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.074002][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.074189][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.074379][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.074558][  T233]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.074738][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.074934][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.075117][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.075307][  T233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.075487][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.075670][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.075848][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.076038][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.076216][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.076405][  T233]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.076583][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.076762][  T233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.076959][  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))
[   10.077142][  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))
[   10.077333][  T233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.077514][  T233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.077694][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.077876][  T233]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.078071][  T233]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.078252][  T233]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.078444][  T233]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.078627][  T233]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.078807][  T233]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.079030][  T233]  ? move_addr_to_kernel (net/socket.c:258)
[   10.079215][  T233]  ___sys_sendmsg (net/socket.c:2752)
[   10.079404][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.079585][  T233]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.079775][  T233]  ? 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))
[   10.079969][  T233]  __sys_sendmsg (net/socket.c:2784)
[   10.080151][  T233]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.080341][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.080518][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.080699][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.080877][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.081117][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.081305][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.081517][  T233] RIP: 0033:0x7fe3551be08e
[   10.081702][  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
[   10.082232][  T233] RSP: 002b:00007ffeddcbaf90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.082489][  T233] RAX: ffffffffffffffda RBX: 00007ffeddcbb740 RCX: 00007fe3551be08e
[   10.082732][  T233] RDX: 0000000000000000 RSI: 00007ffeddcbb040 RDI: 0000000000000005
[   10.082988][  T233] RBP: 00007ffeddcbafa0 R08: 0000000000000000 R09: 0000000000000000
[   10.083232][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[   10.083487][  T233] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeddcbb700
| [   10.085932][  T233] ------------[ cut here ]------------
| [   10.086097][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/233
| [   10.086371][  T233] Modules linked in: ip_gre gre
| [   10.086916][  T233] Tainted: [W]=WARN
[   10.087056][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.087260][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.087482][  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
[   10.087992][  T233] RSP: 0018:ffa00000005e71b0 EFLAGS: 00010286
[   10.088198][  T233] RAX: 00000000ffffffa6 RBX: ff1100000be39e00 RCX: 1ff40000000bcdfc
[   10.088447][  T233] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be39ebc
[   10.088683][  T233] RBP: ff11000009a99000 R08: 1fe22000017c73d9 R09: ff1100000a94ae80
[   10.088931][  T233] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.089166][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f7060
[   10.089412][  T233] FS:  00007fe354f84840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   10.089684][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.089901][  T233] CR2: 00007fe35517d460 CR3: 000000000fe5c005 CR4: 0000000000771ef0
[   10.090138][  T233] PKRU: 55555554
[   10.090284][  T233] Call Trace:
[   10.090446][  T233]  <TASK>
[   10.090559][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.090737][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.090880][  T233]  __dev_notify_flags (net/core/dev.c:9787)
[   10.091068][  T233]  ? netif_change_name (net/core/dev.c:1495)
[   10.091242][  T233]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   10.091458][  T233]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.091636][  T233]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.091811][  T233]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.091997][  T233]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.092170][  T233]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.092357][  T233]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.092535][  T233]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.092711][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.092895][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.093069][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.093241][  T233]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.093422][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.093602][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.093778][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.093965][  T233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.094140][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.094320][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.094493][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.094668][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.094844][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.095037][  T233]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.095211][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.095394][  T233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.095572][  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))
[   10.095744][  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))
[   10.095932][  T233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.096110][  T233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.096291][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.096466][  T233]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.096645][  T233]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.096819][  T233]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.097004][  T233]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.097178][  T233]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.097357][  T233]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.097564][  T233]  ? move_addr_to_kernel (net/socket.c:258)
[   10.097741][  T233]  ___sys_sendmsg (net/socket.c:2752)
[   10.097925][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.098099][  T233]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.098287][  T233]  ? 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))
[   10.098462][  T233]  __sys_sendmsg (net/socket.c:2784)
[   10.098639][  T233]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.098815][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.098996][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.099170][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.099350][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.099522][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.099695][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.099908][  T233] RIP: 0033:0x7fe3551be08e
[   10.100089][  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
[   10.100610][  T233] RSP: 002b:00007ffeddcbaf90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.100846][  T233] RAX: ffffffffffffffda RBX: 00007ffeddcbb740 RCX: 00007fe3551be08e
[   10.101096][  T233] RDX: 0000000000000000 RSI: 00007ffeddcbb040 RDI: 0000000000000005
[   10.101338][  T233] RBP: 00007ffeddcbafa0 R08: 0000000000000000 R09: 0000000000000000
[   10.101572][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[   10.101806][  T233] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeddcbb700
| [   10.165412][  T235] ------------[ cut here ]------------
| [   10.165558][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/235
| [   10.165782][  T235] Modules linked in: ip_gre gre
| [   10.166220][  T235] Tainted: [W]=WARN
[   10.166318][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.166476][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.166642][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.167099][  T235] RSP: 0018:ffa0000000657020 EFLAGS: 00010286
[   10.167256][  T235] RAX: 00000000ffffffa6 RBX: ff1100000bda3c40 RCX: 1ff40000000cadca
[   10.167449][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bda3cfc
[   10.167635][  T235] RBP: ff11000009a99000 R08: 1fe22000017b47a1 R09: ff11000009ac5158
[   10.167821][  T235] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.168013][  T235] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.168200][  T235] FS:  00007f761ef37840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   10.168425][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.168581][  T235] CR2: 000000002b97f988 CR3: 000000000fd26006 CR4: 0000000000771ef0
[   10.168768][  T235] PKRU: 55555554
[   10.168862][  T235] Call Trace:
[   10.168958][  T235]  <TASK>
[   10.169023][  T235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.169149][  T235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.169244][  T235]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.169373][  T235]  __dev_notify_flags (net/core/dev.c:9787)
[   10.169500][  T235]  ? netif_change_name (net/core/dev.c:1495)
[   10.169626][  T235]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.169751][  T235]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.169876][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.170008][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.170135][  T235]  netif_change_flags (net/core/dev.c:9820)
[   10.170260][  T235]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.170391][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.170520][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.170646][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.170802][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.171415][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.171543][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.171667][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.171794][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[   10.171925][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.172055][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.172180][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.172311][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.172436][  T235]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.172559][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.172682][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.172808][  T235]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.172940][  T235]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.173066][  T235]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.173191][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.173321][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.173449][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.173577][  T235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.173704][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.173830][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.173960][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.174085][  T235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.174210][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.174343][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.174468][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.174593][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.174720][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.174846][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.174977][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.175102][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.175226][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.175356][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.175483][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.175607][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.175733][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.175858][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.175989][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.176118][  T235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.176243][  T235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.176376][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.176502][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.176630][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.176756][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.176889][  T235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.177017][  T235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.177145][  T235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.177271][  T235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.177401][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.177568][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   10.177695][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.177821][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.177953][  T235]  ___sys_sendmsg (net/socket.c:2752)
[   10.178079][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.178236][  T235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.178378][  T235]  __sys_sendmsg (net/socket.c:2784)
[   10.178503][  T235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.178630][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.178788][  T235]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.178919][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.179047][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.179173][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.179302][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.179427][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.179583][  T235] RIP: 0033:0x7f761f17108e
[   10.179715][  T235] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.180167][  T235] RSP: 002b:00007ffddd412280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.180363][  T235] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f761f17108e
[   10.180554][  T235] RDX: 0000000000000000 RSI: 00007ffddd412330 RDI: 0000000000000005
[   10.180743][  T235] RBP: 00007ffddd412290 R08: 0000000000000000 R09: 0000000000000000
[   10.180936][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[   10.181126][  T235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddd412a00
| [   10.289345][  T243] ------------[ cut here ]------------
| [   10.289489][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/243
| [   10.289715][  T243] Modules linked in: ip_gre gre
| [   10.290116][  T243] Tainted: [W]=WARN
[   10.290213][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.290378][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.290545][  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
[   10.291007][  T243] RSP: 0018:ffa00000005c7020 EFLAGS: 00010286
[   10.291168][  T243] RAX: 00000000ffffffa6 RBX: ff1100000d368740 RCX: 1ff40000000b8dca
[   10.291362][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3687fc
[   10.291551][  T243] RBP: ff11000009a99000 R08: 1fe2200001a6d101 R09: ff1100000a94d158
[   10.291742][  T243] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.291937][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.292129][  T243] FS:  00007f124f0f5840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   10.292354][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.292515][  T243] CR2: 0000000034a04988 CR3: 000000000f3be002 CR4: 0000000000771ef0
[   10.292708][  T243] PKRU: 55555554
[   10.292803][  T243] Call Trace:
[   10.293510][  T243]  <TASK>
[   10.293578][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.293707][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.293804][  T243]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.294018][  T243]  __dev_notify_flags (net/core/dev.c:9787)
[   10.294149][  T243]  ? netif_change_name (net/core/dev.c:1495)
[   10.294281][  T243]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   10.294410][  T243]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.294536][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.294665][  T243]  ? 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))
[   10.294794][  T243]  netif_change_flags (net/core/dev.c:9820)
[   10.295001][  T243]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.295129][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.295260][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.295393][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.295552][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.295751][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.295879][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.296018][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.296145][  T243]  ? __kernel_text_address (kernel/extable.c:79)
[   10.296278][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.296407][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.296534][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.296662][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.296790][  T243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.296922][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.297049][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.297176][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.297308][  T243]  ? __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)
[   10.297435][  T243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.297561][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.297691][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.297822][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.297960][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.298089][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.298216][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.298348][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.298475][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.298601][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.298731][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.298858][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.298991][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.299118][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.299248][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.299379][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.299507][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.299635][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.299761][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.299897][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.300025][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.300153][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.300284][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.300412][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.300543][  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))
[   10.300671][  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))
[   10.300800][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.300934][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.301063][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.301194][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.301328][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.301457][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.301587][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.301716][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.301846][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.302010][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   10.302140][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.302268][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.302401][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   10.302529][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.302687][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.302828][  T243]  __sys_sendmsg (net/socket.c:2784)
[   10.302960][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.303088][  T243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.303249][  T243]  ? 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)
[   10.303380][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.303507][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.303634][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.303761][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.303896][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.304053][  T243] RIP: 0033:0x7f124f32f08e
[   10.304187][  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
[   10.304646][  T243] RSP: 002b:00007fff5a6cf1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.304842][  T243] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f124f32f08e
[   10.305039][  T243] RDX: 0000000000000000 RSI: 00007fff5a6cf250 RDI: 0000000000000005
[   10.305231][  T243] RBP: 00007fff5a6cf1b0 R08: 0000000000000000 R09: 0000000000000000
[   10.305427][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[   10.305619][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5a6cf920
| [   10.368423][  T245] ------------[ cut here ]------------
| [   10.368579][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/245
| [   10.368803][  T245] Modules linked in: ip_gre gre
| [   10.369983][  T245] Tainted: [W]=WARN
[   10.370081][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.370244][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.370415][  T245] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.370871][  T245] RSP: 0018:ffa0000000647020 EFLAGS: 00010286
[   10.371089][  T245] RAX: 00000000ffffffa6 RBX: ff1100000d369a80 RCX: 1ff40000000c8dca
[   10.371286][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d369b3c
[   10.371477][  T245] RBP: ff11000009a99000 R08: 1fe2200001a6d369 R09: ff1100000fd95158
[   10.371670][  T245] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.371860][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.372141][  T245] FS:  00007fa2f68ff840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   10.372373][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.372536][  T245] CR2: 000000001eac6988 CR3: 000000000f25e006 CR4: 0000000000771ef0
[   10.372729][  T245] PKRU: 55555554
[   10.372825][  T245] Call Trace:
[   10.373007][  T245]  <TASK>
[   10.373075][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.373206][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.373307][  T245]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.373436][  T245]  __dev_notify_flags (net/core/dev.c:9787)
[   10.373566][  T245]  ? netif_change_name (net/core/dev.c:1495)
[   10.373696][  T245]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.373824][  T245]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.374030][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.374160][  T245]  ? 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))
[   10.374296][  T245]  netif_change_flags (net/core/dev.c:9820)
[   10.374427][  T245]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.374556][  T245]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.374687][  T245]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.374818][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.375065][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.375194][  T245]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.375327][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.375456][  T245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.375588][  T245]  ? __kernel_text_address (kernel/extable.c:79)
[   10.375718][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.375851][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.376067][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.376197][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.376330][  T245]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.376458][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.376587][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.376717][  T245]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.376847][  T245]  ? __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)
[   10.377033][  T245]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.377164][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.377302][  T245]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.377435][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.377568][  T245]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.377700][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.377830][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.377980][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.378111][  T245]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.378240][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.378378][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.378506][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.378636][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.378766][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.378902][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.379034][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.379162][  T245]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.379298][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.379427][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.379558][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.379687][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.379816][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.379952][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.380082][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.380217][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.380350][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.380482][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.380613][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.380744][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.380874][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.381012][  T245]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.381143][  T245]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.381279][  T245]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.381409][  T245]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.381538][  T245]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.381698][  T245]  ? move_addr_to_kernel (net/socket.c:258)
[   10.381829][  T245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.381963][  T245]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.382094][  T245]  ___sys_sendmsg (net/socket.c:2752)
[   10.382222][  T245]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.382385][  T245]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.382526][  T245]  __sys_sendmsg (net/socket.c:2784)
[   10.382655][  T245]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.382785][  T245]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.382953][  T245]  ? 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)
[   10.383085][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.383215][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.383349][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.383478][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.383607][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.383768][  T245] RIP: 0033:0x7fa2f6b3908e
[   10.383910][  T245] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.384376][  T245] RSP: 002b:00007ffead6b7a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.384571][  T245] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa2f6b3908e
[   10.384763][  T245] RDX: 0000000000000000 RSI: 00007ffead6b7ac0 RDI: 0000000000000005
[   10.384961][  T245] RBP: 00007ffead6b7a20 R08: 0000000000000000 R09: 0000000000000000
[   10.385153][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[   10.385350][  T245] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffead6b8190
| [   10.514667][  T254] ------------[ cut here ]------------
| [   10.514822][  T254] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/254
| [   10.515063][  T254] Modules linked in: ip_gre gre
| [   10.515463][  T254] Tainted: [W]=WARN
[   10.515559][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.515719][  T254] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.515895][  T254] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.516351][  T254] RSP: 0018:ffa00000006f7060 EFLAGS: 00010286
[   10.516512][  T254] RAX: 00000000ffffffa6 RBX: ff1100000d2fda80 RCX: 1ff40000000dedd2
[   10.516702][  T254] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2fdb3c
[   10.516983][  T254] RBP: ff11000009a99000 R08: 1fe2200001a5fb69 R09: ff11000009c22e58
[   10.517172][  T254] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   10.517369][  T254] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000006f70f8
[   10.517561][  T254] FS:  00007fbbbbe9c840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   10.517782][  T254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.518012][  T254] CR2: 00000000061d6988 CR3: 000000000f6eb006 CR4: 0000000000771ef0
[   10.518203][  T254] PKRU: 55555554
[   10.518303][  T254] Call Trace:
[   10.518398][  T254]  <TASK>
[   10.518463][  T254]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.518594][  T254]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.518691][  T254]  netif_close_many (net/core/dev.c:1804)
[   10.518818][  T254]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.519000][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.519126][  T254]  ? __dev_close_many (net/core/dev.c:1781)
[   10.519253][  T254]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   10.519414][  T254]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   10.519574][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.519700][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.519826][  T254]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.520041][  T254]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.520168][  T254]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.520298][  T254]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   10.520456][  T254]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.520583][  T254]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   10.520711][  T254]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   10.520837][  T254]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   10.521016][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.521142][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.521267][  T254]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.521396][  T254]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.521520][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.521664][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.521788][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.521972][  T254]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.522096][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.522221][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.522348][  T254]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   10.522475][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.522601][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.522727][  T254]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.522854][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.523033][  T254]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.523159][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.523287][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.523413][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.523538][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.523666][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.523791][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.523972][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.524099][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.524225][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.524358][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.524484][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.524611][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.524738][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.524866][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.525044][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.525171][  T254]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.525304][  T254]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.525433][  T254]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.525559][  T254]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.525685][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.525842][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   10.526052][  T254]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.526179][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.526312][  T254]  ___sys_sendmsg (net/socket.c:2752)
[   10.526437][  T254]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.526593][  T254]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.526731][  T254]  __sys_sendmsg (net/socket.c:2784)
[   10.526857][  T254]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.527057][  T254]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.527219][  T254]  ? 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)
[   10.527348][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.527475][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.527602][  T254]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.527729][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.527858][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.528096][  T254] RIP: 0033:0x7fbbbc0d608e
[   10.528229][  T254] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.528683][  T254] RSP: 002b:00007fffd3b334a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.528875][  T254] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbbbc0d608e
[   10.529089][  T254] RDX: 0000000000000000 RSI: 00007fffd3b33550 RDI: 0000000000000005
[   10.529278][  T254] RBP: 00007fffd3b334b0 R08: 0000000000000000 R09: 0000000000000000
[   10.529465][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[   10.529652][  T254] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd3b33c20
| [   10.539841][  T254] ------------[ cut here ]------------
| [   10.539977][  T254] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/254
| [   10.540189][  T254] Modules linked in: ip_gre gre
| [   10.540569][  T254] Tainted: [W]=WARN
[   10.540665][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.540815][  T254] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.540977][  T254] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.541416][  T254] RSP: 0018:ffa00000006f7190 EFLAGS: 00010286
[   10.541569][  T254] RAX: 00000000ffffffa6 RBX: ff110000097c2e40 RCX: 1ff40000000dedf8
[   10.541751][  T254] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c2efc
[   10.541938][  T254] RBP: ff11000009a99000 R08: 1fe22000012f85e1 R09: ff11000009c22e58
[   10.542120][  T254] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.542307][  T254] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.542489][  T254] FS:  00007fbbbbe9c840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   10.542705][  T254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.542858][  T254] CR2: 00000000061d6988 CR3: 000000000f6eb006 CR4: 0000000000771ef0
[   10.543121][  T254] PKRU: 55555554
[   10.543215][  T254] Call Trace:
[   10.543310][  T254]  <TASK>
[   10.543374][  T254]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.543534][  T254]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.543688][  T254]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.543812][  T254]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.544023][  T254]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   10.544178][  T254]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.544310][  T254]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   10.544435][  T254]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   10.544558][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.544681][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.544803][  T254]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.544929][  T254]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.545051][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.545191][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.545321][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.545444][  T254]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.545567][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.545691][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.545815][  T254]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   10.545944][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.546066][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.546188][  T254]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.546316][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.546439][  T254]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.546561][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.546686][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.546808][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.546935][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.547060][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.547182][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.547307][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.547430][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.547552][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.547679][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.547801][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.547930][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.548054][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.548177][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.548305][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.548428][  T254]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.548554][  T254]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.548678][  T254]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.548800][  T254]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.548927][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.549079][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   10.549203][  T254]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.549330][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.549458][  T254]  ___sys_sendmsg (net/socket.c:2752)
[   10.549579][  T254]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.549729][  T254]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.549864][  T254]  __sys_sendmsg (net/socket.c:2784)
[   10.549991][  T254]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.550114][  T254]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.550273][  T254]  ? 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)
[   10.550399][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.550524][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.550646][  T254]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.550768][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.550894][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.551048][  T254] RIP: 0033:0x7fbbbc0d608e
[   10.551176][  T254] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.551617][  T254] RSP: 002b:00007fffd3b334a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.551800][  T254] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbbbc0d608e
[   10.551987][  T254] RDX: 0000000000000000 RSI: 00007fffd3b33550 RDI: 0000000000000005
[   10.552170][  T254] RBP: 00007fffd3b334b0 R08: 0000000000000000 R09: 0000000000000000
[   10.552357][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[   10.552539][  T254] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd3b33c20
| [   10.586529][  T255] ------------[ cut here ]------------
| [   10.586683][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/255
| [   10.586932][  T255] Modules linked in: ip_gre gre
| [   10.587357][  T255] Tainted: [W]=WARN
[   10.587461][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.587634][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.587813][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.588312][  T255] RSP: 0018:ffa00000006f6f10 EFLAGS: 00010286
[   10.588485][  T255] RAX: 00000000ffffffa6 RBX: ff1100000c991c40 RCX: 1ff40000000deda8
[   10.588689][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c991cfc
[   10.588902][  T255] RBP: ff110000089cc000 R08: 1fe22000019323a1 R09: ff110000101c2e80
[   10.589106][  T255] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   10.589314][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.589522][  T255] FS:  00007fe1c46d1840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   10.589761][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.589935][  T255] CR2: 00007fe1c48ca460 CR3: 000000000f34f001 CR4: 0000000000771ef0
[   10.590141][  T255] PKRU: 55555554
[   10.590245][  T255] Call Trace:
[   10.590352][  T255]  <TASK>
[   10.590423][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.590562][  T255]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.590700][  T255]  notifier_call_chain (kernel/notifier.c:85)
[   10.590840][  T255]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   10.590984][  T255]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   10.591120][  T255]  ? netconsole_process_cleanups_core (drivers/net/netconsole.c:388)
[   10.591301][  T255]  ? netconsole_netdev_event (drivers/net/netconsole.c:1647)
[   10.591441][  T255]  netif_set_mtu (net/core/dev.c:9910)
[   10.591579][  T255]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   10.591720][  T255]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.591895][  T255]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.592034][  T255]  dev_set_mtu (net/core/dev_api.c:249)
[   10.592140][  T255]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   10.592282][  T255]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   10.592419][  T255]  ? ipgre_get_size (net/ipv4/ip_gre.c:1553) ip_gre
[   10.592560][  T255]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   10.592733][  T255] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   10.592871][  T255]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   10.593053][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.593193][  T255]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.593338][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.593474][  T255]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.593612][  T255]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.593754][  T255]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.593903][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.594043][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.594181][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.594323][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.594460][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.594596][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.594739][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.594878][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.595022][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.595160][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.595302][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.595438][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.595576][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.595714][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.595853][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.595996][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.596132][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.596272][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.596413][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.596552][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.596691][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.596829][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.596972][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.597111][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.597250][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.597392][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.597531][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.597667][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.597837][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   10.597986][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   10.598122][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.598258][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.598408][  T255]  ? 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))
[   10.598549][  T255]  __sys_sendmsg (net/socket.c:2784)
[   10.598687][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.598827][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.598970][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.599108][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.599244][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.599387][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.599524][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.599693][  T255] RIP: 0033:0x7fe1c490b08e
[   10.599835][  T255] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.600336][  T255] RSP: 002b:00007ffcf7ed38a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.600543][  T255] RAX: ffffffffffffffda RBX: 00007ffcf7ed4050 RCX: 00007fe1c490b08e
[   10.600747][  T255] RDX: 0000000000000000 RSI: 00007ffcf7ed3950 RDI: 0000000000000005
[   10.600959][  T255] RBP: 00007ffcf7ed38b0 R08: 0000000000000000 R09: 0000000000000000
[   10.601163][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[   10.601371][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf7ed4010
| [   10.603420][  T255] ------------[ cut here ]------------
| [   10.603548][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/255
| [   10.603771][  T255] Modules linked in: ip_gre gre
| [   10.604231][  T255] Tainted: [W]=WARN
[   10.604334][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.604496][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.604666][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.605133][  T255] RSP: 0018:ffa00000006f71b0 EFLAGS: 00010286
[   10.605302][  T255] RAX: 00000000ffffffa6 RBX: ff1100000c991e00 RCX: 1ff40000000dedfc
[   10.605496][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c991ebc
[   10.605690][  T255] RBP: ff110000089cc000 R08: 1fe22000019323d9 R09: ff110000101c2e80
[   10.605891][  T255] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.606085][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f7060
[   10.606284][  T255] FS:  00007fe1c46d1840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   10.606515][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.606679][  T255] CR2: 00007fe1c48ca460 CR3: 000000000f34f001 CR4: 0000000000771ef0
[   10.606875][  T255] PKRU: 55555554
[   10.606977][  T255] Call Trace:
[   10.607074][  T255]  <TASK>
[   10.607141][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.607278][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.607378][  T255]  __dev_notify_flags (net/core/dev.c:9787)
[   10.607509][  T255]  ? netif_change_name (net/core/dev.c:1495)
[   10.607641][  T255]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   10.607807][  T255]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.607945][  T255]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.608079][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.608209][  T255]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.608344][  T255]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.608481][  T255]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.608617][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.608749][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.608880][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.609018][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.609147][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.609280][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.609416][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.609548][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.609679][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.609810][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.609947][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.610076][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.610208][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.610342][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.610472][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.610603][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.610734][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.610868][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.611002][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.611135][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.611266][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.611400][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.611532][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.611664][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.611795][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.611931][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.612061][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.612191][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.612356][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   10.612490][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   10.612621][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.612750][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.612895][  T255]  ? 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))
[   10.613028][  T255]  __sys_sendmsg (net/socket.c:2784)
[   10.613159][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.613299][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.613429][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.613560][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.613690][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.613820][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.613956][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.614119][  T255] RIP: 0033:0x7fe1c490b08e
[   10.614255][  T255] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.614724][  T255] RSP: 002b:00007ffcf7ed38a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.614927][  T255] RAX: ffffffffffffffda RBX: 00007ffcf7ed4050 RCX: 00007fe1c490b08e
[   10.615124][  T255] RDX: 0000000000000000 RSI: 00007ffcf7ed3950 RDI: 0000000000000005
[   10.615322][  T255] RBP: 00007ffcf7ed38b0 R08: 0000000000000000 R09: 0000000000000000
[   10.615519][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[   10.615714][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf7ed4010
| [   10.686481][  T257] ------------[ cut here ]------------
| [   10.686664][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/257
| [   10.687612][  T257] Modules linked in: ip_gre gre
| [   10.688129][  T257] Tainted: [W]=WARN
[   10.688272][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.688485][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.688696][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.689201][  T257] RSP: 0018:ffa0000000717020 EFLAGS: 00010286
[   10.689413][  T257] RAX: 00000000ffffffa6 RBX: ff1100000be38900 RCX: 1ff40000000e2dca
[   10.689647][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be389bc
[   10.689882][  T257] RBP: ff110000089cc000 R08: 1fe22000017c7139 R09: ff1100000fe12e58
[   10.690128][  T257] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.690368][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.690603][  T257] FS:  00007fa00fe2b840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   10.690871][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.691090][  T257] CR2: 00000000059ad988 CR3: 000000000fe2e006 CR4: 0000000000771ef0
[   10.691336][  T257] PKRU: 55555554
[   10.691474][  T257] Call Trace:
[   10.691613][  T257]  <TASK>
[   10.691724][  T257]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.691911][  T257]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.692054][  T257]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.692224][  T257]  __dev_notify_flags (net/core/dev.c:9787)
[   10.692406][  T257]  ? netif_change_name (net/core/dev.c:1495)
[   10.692579][  T257]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.692752][  T257]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.692934][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.693108][  T257]  ? 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))
[   10.693289][  T257]  netif_change_flags (net/core/dev.c:9820)
[   10.693463][  T257]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.693636][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.693813][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.693997][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.694202][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.694381][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.694553][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.694724][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.694912][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   10.695087][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.695262][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.695441][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.695614][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.695787][  T257]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.695970][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.696142][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.696321][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.696495][  T257]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.696667][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.696839][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.697025][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.697200][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.697382][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.697555][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.697727][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.697912][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.698084][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.698255][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.698437][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.698608][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.698780][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.698966][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.699139][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.699318][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.699490][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.699662][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.699832][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.700018][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.700188][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.700371][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.700542][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.700716][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.700903][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.701073][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.701247][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.701427][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.701602][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.701774][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.701963][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.702136][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.702317][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.702490][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.702661][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.702862][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   10.703050][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.703221][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.703403][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   10.703574][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.703777][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.703974][  T257]  __sys_sendmsg (net/socket.c:2784)
[   10.704147][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.704327][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.704532][  T257]  ? 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)
[   10.704704][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.704877][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.705061][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.705231][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.705413][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.705618][  T257] RIP: 0033:0x7fa01006508e
[   10.705795][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.706302][  T257] RSP: 002b:00007ffc4bc769a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.706537][  T257] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa01006508e
[   10.706771][  T257] RDX: 0000000000000000 RSI: 00007ffc4bc76a50 RDI: 0000000000000005
[   10.707016][  T257] RBP: 00007ffc4bc769b0 R08: 0000000000000000 R09: 0000000000000000
[   10.707248][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec0f
[   10.707485][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4bc77120
| [   10.811744][  T265] ------------[ cut here ]------------
| [   10.812466][  T265] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/265
| [   10.812733][  T265] Modules linked in: ip_gre gre
| [   10.813221][  T265] Tainted: [W]=WARN
[   10.813369][  T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.813570][  T265] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.813778][  T265] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.814287][  T265] RSP: 0018:ffa00000007f7020 EFLAGS: 00010286
[   10.814495][  T265] RAX: 00000000ffffffa6 RBX: ff1100000d15fc40 RCX: 1ff40000000fedca
[   10.814730][  T265] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15fcfc
[   10.814973][  T265] RBP: ff110000089cc000 R08: 1fe2200001a2bfa1 R09: ff1100000f3a8b58
[   10.815203][  T265] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.815441][  T265] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.815676][  T265] FS:  00007f18a55b6840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   10.815953][  T265] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.816155][  T265] CR2: 000000003e630988 CR3: 000000000e581002 CR4: 0000000000771ef0
[   10.816393][  T265] PKRU: 55555554
[   10.816531][  T265] Call Trace:
[   10.816670][  T265]  <TASK>
[   10.816778][  T265]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.816967][  T265]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.817108][  T265]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.817284][  T265]  __dev_notify_flags (net/core/dev.c:9787)
[   10.817458][  T265]  ? netif_change_name (net/core/dev.c:1495)
[   10.817628][  T265]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   10.817798][  T265]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.817979][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.818153][  T265]  ? 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))
[   10.818333][  T265]  netif_change_flags (net/core/dev.c:9820)
[   10.818505][  T265]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.818675][  T265]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.818847][  T265]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.819031][  T265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.819235][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.819412][  T265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.819582][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.819751][  T265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.819934][  T265]  ? __kernel_text_address (kernel/extable.c:79)
[   10.820105][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.820283][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.820454][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.820624][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.820793][  T265]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.820974][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.821145][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.821323][  T265]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.821493][  T265]  ? __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)
[   10.821663][  T265]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.821837][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.822024][  T265]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.822197][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.822378][  T265]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.822549][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.822720][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.822907][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.823076][  T265]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.823248][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.823427][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.823596][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.823765][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.823948][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.824120][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.824297][  T265]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.824471][  T265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.824641][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.824809][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.824994][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.825162][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.825341][  T265]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.825511][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.825682][  T265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.825857][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.826037][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.826210][  T265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.826385][  T265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.826556][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.826728][  T265]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.826911][  T265]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.827081][  T265]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.827255][  T265]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.827432][  T265]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.827601][  T265]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.827800][  T265]  ? move_addr_to_kernel (net/socket.c:258)
[   10.827985][  T265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.828156][  T265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.828335][  T265]  ___sys_sendmsg (net/socket.c:2752)
[   10.828506][  T265]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.828705][  T265]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.828898][  T265]  __sys_sendmsg (net/socket.c:2784)
[   10.829071][  T265]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.829239][  T265]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.829449][  T265]  ? 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)
[   10.829620][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.829793][  T265]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.829977][  T265]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.830146][  T265]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.830323][  T265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.830522][  T265] RIP: 0033:0x7f18a57f008e
[   10.830699][  T265] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.831203][  T265] RSP: 002b:00007ffe1afc2cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.831443][  T265] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f18a57f008e
[   10.831674][  T265] RDX: 0000000000000000 RSI: 00007ffe1afc2d60 RDI: 0000000000000005
[   10.831917][  T265] RBP: 00007ffe1afc2cc0 R08: 0000000000000000 R09: 0000000000000000
[   10.832149][  T265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   10.832383][  T265] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1afc3430
| [   10.894427][  T267] ------------[ cut here ]------------
| [   10.894573][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/267
| [   10.894796][  T267] Modules linked in: ip_gre gre
| [   10.895190][  T267] Tainted: [W]=WARN
[   10.895291][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.895447][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.895611][  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
[   10.896059][  T267] RSP: 0018:ffa0000000817020 EFLAGS: 00010286
[   10.896216][  T267] RAX: 00000000ffffffa6 RBX: ff110000097c3700 RCX: 1ff4000000102dca
[   10.896407][  T267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c37bc
[   10.896594][  T267] RBP: ff110000089cc000 R08: 1fe22000012f86f9 R09: ff1100000f792e58
[   10.896780][  T267] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.896972][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.897160][  T267] FS:  00007f8d656be840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   10.897384][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.897540][  T267] CR2: 0000000032650988 CR3: 0000000010016003 CR4: 0000000000771ef0
[   10.897728][  T267] PKRU: 55555554
[   10.897822][  T267] Call Trace:
[   10.897921][  T267]  <TASK>
[   10.897988][  T267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.898115][  T267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.898210][  T267]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.898343][  T267]  __dev_notify_flags (net/core/dev.c:9787)
[   10.898472][  T267]  ? netif_change_name (net/core/dev.c:1495)
[   10.898599][  T267]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.898725][  T267]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.898849][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.898980][  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))
[   10.899108][  T267]  netif_change_flags (net/core/dev.c:9820)
[   10.899234][  T267]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.899364][  T267]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.899491][  T267]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.899617][  T267]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.899772][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.899901][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.900028][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.900153][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.900284][  T267]  ? __kernel_text_address (kernel/extable.c:79)
[   10.900410][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.900538][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.900662][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.900788][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.901576][  T267]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.901701][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.901826][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.902006][  T267]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.902132][  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)
[   10.902258][  T267]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.902388][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.902516][  T267]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.902643][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.902771][  T267]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.902949][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.903073][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.903199][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.903331][  T267]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.903454][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.903581][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.903763][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.903947][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.904073][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.904198][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.904331][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.904456][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.904580][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.904704][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.904830][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.904958][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.905085][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.905209][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.905339][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.905468][  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))
[   10.905591][  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))
[   10.905718][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.905844][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.905980][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.906135][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.906260][  T267]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.906393][  T267]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.906519][  T267]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.906643][  T267]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.906768][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.906927][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   10.907053][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.907178][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.907310][  T267]  ___sys_sendmsg (net/socket.c:2752)
[   10.907433][  T267]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.907588][  T267]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.907724][  T267]  __sys_sendmsg (net/socket.c:2784)
[   10.907849][  T267]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.907980][  T267]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.908137][  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)
[   10.908264][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.908396][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.908521][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.908647][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.908772][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.908930][  T267] RIP: 0033:0x7f8d658f808e
[   10.909061][  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
[   10.909511][  T267] RSP: 002b:00007ffe9fb6a7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.909699][  T267] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8d658f808e
[   10.909891][  T267] RDX: 0000000000000000 RSI: 00007ffe9fb6a850 RDI: 0000000000000005
[   10.910078][  T267] RBP: 00007ffe9fb6a7b0 R08: 0000000000000000 R09: 0000000000000000
[   10.910265][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   10.910456][  T267] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9fb6af20
| [   11.036604][  T276] ------------[ cut here ]------------
| [   11.036767][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/276
| [   11.037005][  T276] Modules linked in: ip_gre gre
| [   11.037405][  T276] Tainted: [W]=WARN
[   11.037501][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.037659][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.037823][  T276] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.038288][  T276] RSP: 0018:ffa0000000907060 EFLAGS: 00010286
[   11.038450][  T276] RAX: 00000000ffffffa6 RBX: ff110000051f7e00 RCX: 1ff4000000120dd2
[   11.038640][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f7ebc
[   11.038830][  T276] RBP: ff110000089cc000 R08: 1fe2200000a3efd9 R09: ff11000009c28b58
[   11.039024][  T276] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   11.039213][  T276] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000009070f8
[   11.039417][  T276] FS:  00007f3851d6d840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   11.039642][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.039802][  T276] CR2: 000000000e97e988 CR3: 00000000107ad002 CR4: 0000000000771ef0
[   11.039998][  T276] PKRU: 55555554
[   11.040095][  T276] Call Trace:
[   11.040192][  T276]  <TASK>
[   11.040259][  T276]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.040397][  T276]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.040495][  T276]  netif_close_many (net/core/dev.c:1804)
[   11.040625][  T276]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.040753][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.040881][  T276]  ? __dev_close_many (net/core/dev.c:1781)
[   11.041089][  T276]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   11.041249][  T276]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   11.041413][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.041540][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.041668][  T276]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.041826][  T276]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.042039][  T276]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.042167][  T276]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.042330][  T276]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.042459][  T276]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.042638][  T276]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   11.042766][  T276]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   11.042946][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.043073][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.043200][  T276]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.043333][  T276]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.043460][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.043604][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.043731][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.043859][  T276]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.044038][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.044165][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.044296][  T276]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   11.044426][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.044554][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.044680][  T276]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.044807][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.044988][  T276]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.045116][  T276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.045242][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.045372][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.045497][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.045626][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.045751][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.045877][  T276]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.046057][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.046183][  T276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.046316][  T276]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.046441][  T276]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.046569][  T276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.046696][  T276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.046823][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.047007][  T276]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.047135][  T276]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.047262][  T276]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.047395][  T276]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.047521][  T276]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.047647][  T276]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.047802][  T276]  ? move_addr_to_kernel (net/socket.c:258)
[   11.047980][  T276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.048107][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.048234][  T276]  ___sys_sendmsg (net/socket.c:2752)
[   11.048363][  T276]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.048519][  T276]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.048656][  T276]  __sys_sendmsg (net/socket.c:2784)
[   11.048783][  T276]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.048961][  T276]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.049119][  T276]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.049245][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.049375][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.049501][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.049628][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.049754][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.049965][  T276] RIP: 0033:0x7f3851fa708e
[   11.050098][  T276] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.050547][  T276] RSP: 002b:00007fff1ca2afe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.050735][  T276] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3851fa708e
[   11.050977][  T276] RDX: 0000000000000000 RSI: 00007fff1ca2b090 RDI: 0000000000000005
[   11.051163][  T276] RBP: 00007fff1ca2aff0 R08: 0000000000000000 R09: 0000000000000000
[   11.051353][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   11.051541][  T276] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1ca2b760
| [   11.059374][  T276] ------------[ cut here ]------------
| [   11.059552][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/276
| [   11.059809][  T276] Modules linked in: ip_gre gre
| [   11.060297][  T276] Tainted: [W]=WARN
[   11.060434][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.060634][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.060836][  T276] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.061328][  T276] RSP: 0018:ffa0000000907190 EFLAGS: 00010286
[   11.061528][  T276] RAX: 00000000ffffffa6 RBX: ff110000051f6c80 RCX: 1ff4000000120df8
[   11.061759][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f6d3c
[   11.062006][  T276] RBP: ff110000089cc000 R08: 1fe2200000a3eda9 R09: ff11000009c28b58
[   11.062235][  T276] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.062469][  T276] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.062701][  T276] FS:  00007f3851d6d840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   11.062972][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.063171][  T276] CR2: 00005608d5137d5c CR3: 00000000107ad001 CR4: 0000000000771ef0
[   11.063417][  T276] PKRU: 55555554
[   11.063554][  T276] Call Trace:
[   11.063692][  T276]  <TASK>
[   11.063801][  T276]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.064017][  T276]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.064213][  T276]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.064392][  T276]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.064561][  T276]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.064759][  T276]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.064995][  T276]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   11.065188][  T276]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   11.065369][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.065546][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.065715][  T276]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.065897][  T276]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.066064][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.066249][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.066427][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.066594][  T276]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.066759][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.066935][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.067103][  T276]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   11.067273][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.067446][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.067614][  T276]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.067784][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.067966][  T276]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.068133][  T276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.068308][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.068476][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.068644][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.068813][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.068997][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.069167][  T276]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.069343][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.069512][  T276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.069684][  T276]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.069850][  T276]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.070030][  T276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.070201][  T276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.070379][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.070548][  T276]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.070717][  T276]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.070898][  T276]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.071069][  T276]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.071237][  T276]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.071410][  T276]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.071606][  T276]  ? move_addr_to_kernel (net/socket.c:258)
[   11.071776][  T276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.071959][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.072130][  T276]  ___sys_sendmsg (net/socket.c:2752)
[   11.072303][  T276]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.072502][  T276]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.072680][  T276]  __sys_sendmsg (net/socket.c:2784)
[   11.072850][  T276]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.073025][  T276]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.073225][  T276]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.073402][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.073573][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.073742][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.073922][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.074092][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.074298][  T276] RIP: 0033:0x7f3851fa708e
[   11.074473][  T276] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.074963][  T276] RSP: 002b:00007fff1ca2afe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.075194][  T276] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3851fa708e
[   11.075428][  T276] RDX: 0000000000000000 RSI: 00007fff1ca2b090 RDI: 0000000000000005
[   11.075653][  T276] RBP: 00007fff1ca2aff0 R08: 0000000000000000 R09: 0000000000000000
[   11.075878][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   11.076252][  T276] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1ca2b760
| [   11.118140][  T277] ------------[ cut here ]------------
| [   11.118293][  T277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/277
| [   11.118535][  T277] Modules linked in: ip_gre gre
| [   11.118961][  T277] Tainted: [W]=WARN
[   11.119066][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.119237][  T277] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.119421][  T277] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.119909][  T277] RSP: 0018:ffa0000000906f10 EFLAGS: 00010286
[   11.120081][  T277] RAX: 00000000ffffffa6 RBX: ff1100000c990580 RCX: 1ff4000000120da8
[   11.120289][  T277] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c99063c
[   11.120491][  T277] RBP: ff1100000fd1c000 R08: 1fe22000019320c9 R09: ff11000009c2ae80
[   11.120693][  T277] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.120899][  T277] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   11.121104][  T277] FS:  00007f7ef1603840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   11.121346][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.121517][  T277] CR2: 00007f7ef17fc460 CR3: 0000000010a3e005 CR4: 0000000000771ef0
[   11.121720][  T277] PKRU: 55555554
[   11.121823][  T277] Call Trace:
[   11.121929][  T277]  <TASK>
[   11.122000][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.122137][  T277]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.122275][  T277]  notifier_call_chain (kernel/notifier.c:85)
[   11.122420][  T277]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   11.122561][  T277]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   11.122696][  T277]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   11.122867][  T277]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   11.123047][  T277]  netif_set_mtu (net/core/dev.c:9910)
[   11.123184][  T277]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   11.123323][  T277]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   11.123465][  T277]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.123600][  T277]  dev_set_mtu (net/core/dev_api.c:249)
[   11.123705][  T277]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   11.123841][  T277]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   11.123982][  T277]  ? ipgre_get_size (net/ipv4/ip_gre.c:1553) ip_gre
[   11.124121][  T277]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   11.124294][  T277] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   11.124432][  T277]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   11.124605][  T277]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.124743][  T277]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.124881][  T277]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.125022][  T277]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.125159][  T277]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.125309][  T277]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.125450][  T277]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.125588][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.125725][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.125861][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.126562][  T277]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.126699][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.126840][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.126982][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.127119][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.127255][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.127396][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.127532][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.127670][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.127807][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.127949][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.128085][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.128222][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.128365][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.128501][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.128640][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.128780][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.128923][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.129060][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.129198][  T277]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.129343][  T277]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.129482][  T277]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.129619][  T277]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.129756][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.129930][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   11.130071][  T277]  ___sys_sendmsg (net/socket.c:2752)
[   11.130207][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.130349][  T277]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.130494][  T277]  ? 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))
[   11.130634][  T277]  __sys_sendmsg (net/socket.c:2784)
[   11.130774][  T277]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.130920][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.131057][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.131194][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.131336][  T277]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.131473][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.131611][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.131783][  T277] RIP: 0033:0x7f7ef183d08e
[   11.131932][  T277] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.132418][  T277] RSP: 002b:00007fffa915b950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.132624][  T277] RAX: ffffffffffffffda RBX: 00007fffa915c100 RCX: 00007f7ef183d08e
[   11.132828][  T277] RDX: 0000000000000000 RSI: 00007fffa915ba00 RDI: 0000000000000005
[   11.133035][  T277] RBP: 00007fffa915b960 R08: 0000000000000000 R09: 0000000000000000
[   11.133237][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   11.133444][  T277] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa915c0c0
| [   11.135495][  T277] ------------[ cut here ]------------
| [   11.135625][  T277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/277
| [   11.135847][  T277] Modules linked in: ip_gre gre
| [   11.136247][  T277] Tainted: [W]=WARN
[   11.136348][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.136512][  T277] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.136680][  T277] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.137148][  T277] RSP: 0018:ffa00000009071b0 EFLAGS: 00010286
[   11.137316][  T277] RAX: 00000000ffffffa6 RBX: ff1100000d357e00 RCX: 1ff4000000120dfc
[   11.137510][  T277] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d357ebc
[   11.137704][  T277] RBP: ff1100000fd1c000 R08: 1fe2200001a6afd9 R09: ff11000009c2ae80
[   11.137902][  T277] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.138095][  T277] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f7060
[   11.138294][  T277] FS:  00007f7ef1603840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   11.138520][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.138682][  T277] CR2: 00007f7ef17fc460 CR3: 0000000010a3e005 CR4: 0000000000771ef0
[   11.138876][  T277] PKRU: 55555554
[   11.138978][  T277] Call Trace:
[   11.139075][  T277]  <TASK>
[   11.139142][  T277]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.139274][  T277]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.139380][  T277]  __dev_notify_flags (net/core/dev.c:9787)
[   11.139512][  T277]  ? netif_change_name (net/core/dev.c:1495)
[   11.139643][  T277]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   11.139809][  T277]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.139947][  T277]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.140081][  T277]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.140213][  T277]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.140348][  T277]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.140485][  T277]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.140620][  T277]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.140752][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.140882][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.141018][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.141148][  T277]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.141282][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.141417][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.141550][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.141680][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.141810][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.141945][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.142074][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.142206][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.142339][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.142470][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.142601][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.142731][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.142863][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.142995][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.143127][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.143258][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.143393][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.143527][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.143659][  T277]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.143790][  T277]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.143927][  T277]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.144057][  T277]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.144188][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.144353][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   11.144487][  T277]  ___sys_sendmsg (net/socket.c:2752)
[   11.144620][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.144750][  T277]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.144893][  T277]  ? 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))
[   11.145028][  T277]  __sys_sendmsg (net/socket.c:2784)
[   11.145158][  T277]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.145295][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.145426][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.145558][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.145691][  T277]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.145822][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.145958][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.146119][  T277] RIP: 0033:0x7f7ef183d08e
[   11.146255][  T277] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.146724][  T277] RSP: 002b:00007fffa915b950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.146929][  T277] RAX: ffffffffffffffda RBX: 00007fffa915c100 RCX: 00007f7ef183d08e
[   11.147128][  T277] RDX: 0000000000000000 RSI: 00007fffa915ba00 RDI: 0000000000000005
[   11.147330][  T277] RBP: 00007fffa915b960 R08: 0000000000000000 R09: 0000000000000000
[   11.147528][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   11.147726][  T277] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa915c0c0
| [   11.225538][  T279] ------------[ cut here ]------------
| [   11.225700][  T279] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/279
| [   11.226543][  T279] Modules linked in: ip_gre gre
| [   11.226959][  T279] Tainted: [W]=WARN
[   11.227059][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.227222][  T279] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.227395][  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
[   11.227860][  T279] RSP: 0018:ffa0000000937020 EFLAGS: 00010286
[   11.228025][  T279] RAX: 00000000ffffffa6 RBX: ff1100000c109540 RCX: 1ff4000000126dca
[   11.228217][  T279] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1095fc
[   11.228412][  T279] RBP: ff1100000fd1c000 R08: 1fe22000018212c1 R09: ff1100000a928b58
[   11.228601][  T279] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.228791][  T279] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.228992][  T279] FS:  00007fa166791840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   11.229218][  T279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.229384][  T279] CR2: 00007fa166a611a0 CR3: 000000000f7e7001 CR4: 0000000000771ef0
[   11.229575][  T279] PKRU: 55555554
[   11.229671][  T279] Call Trace:
[   11.229766][  T279]  <TASK>
[   11.229833][  T279]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.229969][  T279]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.230067][  T279]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.230195][  T279]  __dev_notify_flags (net/core/dev.c:9787)
[   11.230330][  T279]  ? netif_change_name (net/core/dev.c:1495)
[   11.230459][  T279]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.230588][  T279]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.230715][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.230842][  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))
[   11.230978][  T279]  netif_change_flags (net/core/dev.c:9820)
[   11.231107][  T279]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.231235][  T279]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.231373][  T279]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.231502][  T279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.231661][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.231789][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.231921][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.232049][  T279]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.232180][  T279]  ? __kernel_text_address (kernel/extable.c:79)
[   11.232313][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.232443][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.232568][  T279]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.232696][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.232823][  T279]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.232953][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.233080][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.233208][  T279]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.233344][  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)
[   11.233472][  T279]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.233600][  T279]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.233730][  T279]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.233860][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.233995][  T279]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.234125][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.234252][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.234383][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.234509][  T279]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.234635][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.234765][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.234896][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.235024][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.235152][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.235286][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.235413][  T279]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.235540][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.235665][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.235793][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.235928][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.236054][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.236183][  T279]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.236314][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.236442][  T279]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.236573][  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))
[   11.236700][  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))
[   11.236830][  T279]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.236963][  T279]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.237091][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.237219][  T279]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.237352][  T279]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.237482][  T279]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.237618][  T279]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.237747][  T279]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.237874][  T279]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.238035][  T279]  ? move_addr_to_kernel (net/socket.c:258)
[   11.238165][  T279]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.238294][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.238423][  T279]  ___sys_sendmsg (net/socket.c:2752)
[   11.238549][  T279]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.238707][  T279]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.238845][  T279]  __sys_sendmsg (net/socket.c:2784)
[   11.238978][  T279]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.239105][  T279]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.239265][  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)
[   11.239396][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.239525][  T279]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.239653][  T279]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.239780][  T279]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.239911][  T279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.240072][  T279] RIP: 0033:0x7fa1669cb08e
[   11.240207][  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
[   11.240664][  T279] RSP: 002b:00007fff7d37e050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.240857][  T279] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa1669cb08e
[   11.241054][  T279] RDX: 0000000000000000 RSI: 00007fff7d37e100 RDI: 0000000000000005
[   11.241244][  T279] RBP: 00007fff7d37e060 R08: 0000000000000000 R09: 0000000000000000
[   11.241436][  T279] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   11.241625][  T279] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7d37e7d0
| [   11.332291][  T286] ------------[ cut here ]------------
| [   11.332452][  T286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/286
| [   11.332682][  T286] Modules linked in: ip_gre gre
| [   11.333086][  T286] Tainted: [W]=WARN
[   11.333183][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.333350][  T286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.333517][  T286] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.333981][  T286] RSP: 0018:ffa0000000a5f020 EFLAGS: 00010286
[   11.334147][  T286] RAX: 00000000ffffffa6 RBX: ff1100000c108c80 RCX: 1ff400000014bdca
[   11.334343][  T286] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c108d3c
[   11.334536][  T286] RBP: ff1100000fd1c000 R08: 1fe22000018211a9 R09: ff1100000aa75158
[   11.334727][  T286] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.334924][  T286] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.335116][  T286] FS:  00007febcad42840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   11.335347][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.335508][  T286] CR2: 00007febcb0121a0 CR3: 0000000009b4b001 CR4: 0000000000771ef0
[   11.335698][  T286] PKRU: 55555554
[   11.335794][  T286] Call Trace:
[   11.335895][  T286]  <TASK>
[   11.335961][  T286]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.336092][  T286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.336190][  T286]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.336321][  T286]  __dev_notify_flags (net/core/dev.c:9787)
[   11.336451][  T286]  ? netif_change_name (net/core/dev.c:1495)
[   11.336578][  T286]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   11.336707][  T286]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.336835][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.336968][  T286]  ? 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))
[   11.337098][  T286]  netif_change_flags (net/core/dev.c:9820)
[   11.337228][  T286]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.337361][  T286]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.337492][  T286]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.337622][  T286]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.337782][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.338505][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.338634][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.338762][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.338897][  T286]  ? __kernel_text_address (kernel/extable.c:79)
[   11.339027][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.339156][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.339287][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.339416][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.339543][  T286]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.339670][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.339795][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.339926][  T286]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.340055][  T286]  ? __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)
[   11.340184][  T286]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.340315][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.340444][  T286]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.340574][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.340706][  T286]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.340835][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.340968][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.341095][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.341222][  T286]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.341352][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.341482][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.341611][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.341738][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.341866][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.342001][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.342129][  T286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.342258][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.342390][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.342516][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.342646][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.342772][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.342905][  T286]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.343034][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.343162][  T286]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.343298][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.343425][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.343555][  T286]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.343684][  T286]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.343813][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.343947][  T286]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.344075][  T286]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.344204][  T286]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.344340][  T286]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.344468][  T286]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.344596][  T286]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.344754][  T286]  ? move_addr_to_kernel (net/socket.c:258)
[   11.344889][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.345019][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.345149][  T286]  ___sys_sendmsg (net/socket.c:2752)
[   11.345280][  T286]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.345440][  T286]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.345580][  T286]  __sys_sendmsg (net/socket.c:2784)
[   11.345709][  T286]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.345838][  T286]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.346005][  T286]  ? 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)
[   11.346133][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.346264][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.346398][  T286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.346526][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.346656][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.346816][  T286] RIP: 0033:0x7febcaf7c08e
[   11.346956][  T286] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.347420][  T286] RSP: 002b:00007ffd0f8af740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.347615][  T286] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007febcaf7c08e
[   11.347808][  T286] RDX: 0000000000000000 RSI: 00007ffd0f8af7f0 RDI: 0000000000000005
[   11.348005][  T286] RBP: 00007ffd0f8af750 R08: 0000000000000000 R09: 0000000000000000
[   11.348198][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   11.348397][  T286] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0f8afec0
| [   11.412474][  T288] ------------[ cut here ]------------
| [   11.412629][  T288] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/288
| [   11.412856][  T288] Modules linked in: ip_gre gre
| [   11.413256][  T288] Tainted: [W]=WARN
[   11.413358][  T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.413519][  T288] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.413685][  T288] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.414142][  T288] RSP: 0018:ffa0000000a6f020 EFLAGS: 00010286
[   11.414312][  T288] RAX: 00000000ffffffa6 RBX: ff1100000d162040 RCX: 1ff400000014ddca
[   11.414503][  T288] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1620fc
[   11.414691][  T288] RBP: ff1100000fd1c000 R08: 1fe2200001a2c421 R09: ff1100000b4e5158
[   11.414880][  T288] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   11.415080][  T288] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.415281][  T288] FS:  00007f0386937840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   11.415505][  T288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.415667][  T288] CR2: 000000002817a988 CR3: 00000000107e8003 CR4: 0000000000771ef0
[   11.415858][  T288] PKRU: 55555554
[   11.415961][  T288] Call Trace:
[   11.416057][  T288]  <TASK>
[   11.416124][  T288]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.416254][  T288]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.416357][  T288]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.416486][  T288]  __dev_notify_flags (net/core/dev.c:9787)
[   11.416617][  T288]  ? netif_change_name (net/core/dev.c:1495)
[   11.416745][  T288]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.416875][  T288]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.417010][  T288]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.417139][  T288]  ? 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))
[   11.417269][  T288]  netif_change_flags (net/core/dev.c:9820)
[   11.417403][  T288]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.417534][  T288]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.417666][  T288]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.417794][  T288]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.417960][  T288]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.418087][  T288]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.418215][  T288]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.418350][  T288]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.418479][  T288]  ? __kernel_text_address (kernel/extable.c:79)
[   11.418608][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.418738][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.418865][  T288]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.419000][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.419130][  T288]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.419257][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.419389][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.419516][  T288]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.419644][  T288]  ? __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)
[   11.419776][  T288]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.419909][  T288]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.420039][  T288]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.420169][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.420307][  T288]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.420439][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.420566][  T288]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.420694][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.420824][  T288]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.420957][  T288]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.421087][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.421214][  T288]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.421350][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.421478][  T288]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.421606][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.421735][  T288]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.421864][  T288]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.422059][  T288]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.422186][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.422319][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.422445][  T288]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.422572][  T288]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.422699][  T288]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.422827][  T288]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.423013][  T288]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.423141][  T288]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.423269][  T288]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.423405][  T288]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.423533][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.423661][  T288]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.423789][  T288]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.424005][  T288]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.424135][  T288]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.424329][  T288]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.424457][  T288]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.424616][  T288]  ? move_addr_to_kernel (net/socket.c:258)
[   11.424745][  T288]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.424872][  T288]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.425070][  T288]  ___sys_sendmsg (net/socket.c:2752)
[   11.425197][  T288]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.425358][  T288]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.425497][  T288]  __sys_sendmsg (net/socket.c:2784)
[   11.425625][  T288]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.425752][  T288]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.425952][  T288]  ? 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)
[   11.426080][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.426210][  T288]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.426342][  T288]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.426469][  T288]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.426596][  T288]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.426755][  T288] RIP: 0033:0x7f0386b7108e
[   11.426893][  T288] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.427350][  T288] RSP: 002b:00007ffd62e52eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.427542][  T288] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0386b7108e
[   11.427734][  T288] RDX: 0000000000000000 RSI: 00007ffd62e52f60 RDI: 0000000000000005
[   11.427930][  T288] RBP: 00007ffd62e52ec0 R08: 0000000000000000 R09: 0000000000000000
[   11.428121][  T288] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   11.428319][  T288] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd62e53630
| [   11.555200][  T296] ------------[ cut here ]------------
| [   11.555390][  T296] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/296
| [   11.555652][  T296] Modules linked in: ip_gre gre
| [   11.556572][  T296] Tainted: [W]=WARN
[   11.556708][  T296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.556918][  T296] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.557123][  T296] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.557613][  T296] RSP: 0018:ffa0000000adf060 EFLAGS: 00010286
[   11.557812][  T296] RAX: 00000000ffffffa6 RBX: ff1100000e22a040 RCX: 1ff400000015bdd2
[   11.558054][  T296] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22a0fc
[   11.558292][  T296] RBP: ff1100000fd1c000 R08: 1fe2200001c45421 R09: ff1100000f6dd158
[   11.558522][  T296] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   11.558750][  T296] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000adf0f8
[   11.558993][  T296] FS:  00007f5fc5a82840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   11.559258][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.559467][  T296] CR2: 00007f5fc5d521a0 CR3: 00000000099f7005 CR4: 0000000000771ef0
[   11.559697][  T296] PKRU: 55555554
[   11.559834][  T296] Call Trace:
[   11.559983][  T296]  <TASK>
[   11.560092][  T296]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.560262][  T296]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.560412][  T296]  netif_close_many (net/core/dev.c:1804)
[   11.560581][  T296]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.560748][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.560929][  T296]  ? __dev_close_many (net/core/dev.c:1781)
[   11.561099][  T296]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   11.561324][  T296]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   11.561524][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.561692][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.561860][  T296]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.562068][  T296]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.562237][  T296]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.562416][  T296]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.562614][  T296]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.562782][  T296]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.562962][  T296]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   11.563132][  T296]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   11.563306][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.563473][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.563644][  T296]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.563812][  T296]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.563990][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.564176][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.564351][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.564519][  T296]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.564687][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.564855][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.565033][  T296]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   11.565203][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.565376][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.565546][  T296]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.565713][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.565897][  T296]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.566065][  T296]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.566232][  T296]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.566407][  T296]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.566573][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.566742][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.566924][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.567094][  T296]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.567261][  T296]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.567436][  T296]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.567606][  T296]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.567772][  T296]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.567954][  T296]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.568126][  T296]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.568303][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.568472][  T296]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.568642][  T296]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.568811][  T296]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.568994][  T296]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.569165][  T296]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.569340][  T296]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.569538][  T296]  ? move_addr_to_kernel (net/socket.c:258)
[   11.569707][  T296]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.569874][  T296]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.570055][  T296]  ___sys_sendmsg (net/socket.c:2752)
[   11.570225][  T296]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.570432][  T296]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.570611][  T296]  __sys_sendmsg (net/socket.c:2784)
[   11.570782][  T296]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.570962][  T296]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.571162][  T296]  ? 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)
[   11.571341][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.571510][  T296]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.571679][  T296]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.571846][  T296]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.572027][  T296]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.572226][  T296] RIP: 0033:0x7f5fc5cbc08e
[   11.572408][  T296] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.572900][  T296] RSP: 002b:00007ffc0fb45640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.573132][  T296] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5fc5cbc08e
[   11.573451][  T296] RDX: 0000000000000000 RSI: 00007ffc0fb456f0 RDI: 0000000000000005
[   11.573706][  T296] RBP: 00007ffc0fb45650 R08: 0000000000000000 R09: 0000000000000000
[   11.574031][  T296] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   11.574262][  T296] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0fb45dc0
| [   11.577244][  T296] ------------[ cut here ]------------
| [   11.577416][  T296] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/296
| [   11.577739][  T296] Modules linked in: ip_gre gre
| [   11.578862][  T296] Tainted: [W]=WARN
[   11.579056][  T296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.579263][  T296] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.579472][  T296] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.579946][  T296] RSP: 0018:ffa0000000adf190 EFLAGS: 00010286
[   11.580140][  T296] RAX: 00000000ffffffa6 RBX: ff1100000e22a200 RCX: 1ff400000015bdf8
[   11.580370][  T296] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22a2bc
[   11.580590][  T296] RBP: ff1100000fd1c000 R08: 1fe2200001c45459 R09: ff1100000f6dd158
[   11.580808][  T296] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.581040][  T296] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.581265][  T296] FS:  00007f5fc5a82840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   11.581521][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.581714][  T296] CR2: 00007f5fc5d521a0 CR3: 00000000099f7005 CR4: 0000000000771ef0
[   11.581948][  T296] PKRU: 55555554
[   11.582081][  T296] Call Trace:
[   11.582215][  T296]  <TASK>
[   11.582325][  T296]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.582522][  T296]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.582711][  T296]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.582874][  T296]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.583049][  T296]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.583243][  T296]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.583413][  T296]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   11.583576][  T296]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   11.583817][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.583989][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.584152][  T296]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.584321][  T296]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.584561][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.584741][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.584914][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.585078][  T296]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.585323][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.585488][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.585654][  T296]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   11.585818][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.586068][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.586231][  T296]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.586402][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.586569][  T296]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.586808][  T296]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.586987][  T296]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.587149][  T296]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.587318][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.587558][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.587719][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.587896][  T296]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.588061][  T296]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.588309][  T296]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.588476][  T296]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.588637][  T296]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.588803][  T296]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.589056][  T296]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.589219][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.589396][  T296]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.589560][  T296]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.589800][  T296]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.589979][  T296]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.590142][  T296]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.590311][  T296]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.590579][  T296]  ? move_addr_to_kernel (net/socket.c:258)
[   11.590746][  T296]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.590922][  T296]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.591086][  T296]  ___sys_sendmsg (net/socket.c:2752)
[   11.591331][  T296]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.591523][  T296]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.591700][  T296]  __sys_sendmsg (net/socket.c:2784)
[   11.591864][  T296]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.592112][  T296]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.592315][  T296]  ? 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)
[   11.592481][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.592645][  T296]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.592897][  T296]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.593063][  T296]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.593230][  T296]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.593503][  T296] RIP: 0033:0x7f5fc5cbc08e
[   11.593674][  T296] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.594232][  T296] RSP: 002b:00007ffc0fb45640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.594467][  T296] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5fc5cbc08e
[   11.594689][  T296] RDX: 0000000000000000 RSI: 00007ffc0fb456f0 RDI: 0000000000000005
[   11.594998][  T296] RBP: 00007ffc0fb45650 R08: 0000000000000000 R09: 0000000000000000
[   11.595219][  T296] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   11.595528][  T296] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0fb45dc0
| [   11.643591][  T297] ------------[ cut here ]------------
| [   11.643738][  T297] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/297
| [   11.643983][  T297] Modules linked in: ip_gre gre
| [   11.644405][  T297] Tainted: [W]=WARN
[   11.644509][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.644678][  T297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.644852][  T297] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.645341][  T297] RSP: 0018:ffa0000000adef10 EFLAGS: 00010286
[   11.645509][  T297] RAX: 00000000ffffffa6 RBX: ff110000026963c0 RCX: 1ff400000015bda8
[   11.645711][  T297] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000269647c
[   11.645916][  T297] RBP: ff1100001071c000 R08: 1fe22000004d2c91 R09: ff1100000f3b2e80
[   11.646115][  T297] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.646322][  T297] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.646523][  T297] FS:  00007f2f1522b840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   11.646757][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.646931][  T297] CR2: 000000000042f320 CR3: 00000000099ef001 CR4: 0000000000771ef0
[   11.647131][  T297] PKRU: 55555554
[   11.647230][  T297] Call Trace:
[   11.647335][  T297]  <TASK>
[   11.647403][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.647536][  T297]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.647670][  T297]  notifier_call_chain (kernel/notifier.c:85)
[   11.647807][  T297]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   11.647948][  T297]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   11.648083][  T297]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   11.648250][  T297]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   11.648426][  T297]  netif_set_mtu (net/core/dev.c:9910)
[   11.648558][  T297]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   11.648691][  T297]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   11.648828][  T297]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.648967][  T297]  dev_set_mtu (net/core/dev_api.c:249)
[   11.649069][  T297]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   11.649204][  T297]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   11.649344][  T297]  ? ipgre_get_size (net/ipv4/ip_gre.c:1553) ip_gre
[   11.649481][  T297]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   11.649650][  T297] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   11.649786][  T297]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   11.649964][  T297]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.650102][  T297]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.650239][  T297]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.650378][  T297]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.650512][  T297]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.650651][  T297]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.650789][  T297]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.650933][  T297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.651067][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.651201][  T297]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.651340][  T297]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.651473][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.651610][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.651744][  T297]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.651879][  T297]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.652018][  T297]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.652152][  T297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.652290][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.652425][  T297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.652557][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.652691][  T297]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.652824][  T297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.652966][  T297]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.653102][  T297]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.653236][  T297]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.653376][  T297]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.653510][  T297]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.653656][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.653791][  T297]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.653931][  T297]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.654066][  T297]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.654203][  T297]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.654342][  T297]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.654475][  T297]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.654643][  T297]  ? move_addr_to_kernel (net/socket.c:258)
[   11.654781][  T297]  ___sys_sendmsg (net/socket.c:2752)
[   11.654919][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.655054][  T297]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.655198][  T297]  ? 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))
[   11.655339][  T297]  __sys_sendmsg (net/socket.c:2784)
[   11.655473][  T297]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.655611][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.655744][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.655878][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.656019][  T297]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.656153][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.656291][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.656456][  T297] RIP: 0033:0x7f2f1546508e
[   11.656596][  T297] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.657078][  T297] RSP: 002b:00007ffce8eee6b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.657284][  T297] RAX: ffffffffffffffda RBX: 00007ffce8eeee60 RCX: 00007f2f1546508e
[   11.657484][  T297] RDX: 0000000000000000 RSI: 00007ffce8eee760 RDI: 0000000000000005
[   11.657683][  T297] RBP: 00007ffce8eee6c0 R08: 0000000000000000 R09: 0000000000000000
[   11.657889][  T297] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   11.658090][  T297] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce8eeee20
| [   11.660186][  T297] ------------[ cut here ]------------
| [   11.660318][  T297] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/297
| [   11.660538][  T297] Modules linked in: ip_gre gre
| [   11.660934][  T297] Tainted: [W]=WARN
[   11.661032][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.661195][  T297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.661364][  T297] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.661821][  T297] RSP: 0018:ffa0000000adf1b0 EFLAGS: 00010286
[   11.662004][  T297] RAX: 00000000ffffffa6 RBX: ff11000002696900 RCX: 1ff400000015bdfc
[   11.662198][  T297] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000026969bc
[   11.662395][  T297] RBP: ff1100001071c000 R08: 1fe22000004d2d39 R09: ff1100000f3b2e80
[   11.662589][  T297] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.662783][  T297] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f7060
[   11.662983][  T297] FS:  00007f2f1522b840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   11.663210][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.663375][  T297] CR2: 000000000042f320 CR3: 00000000099ef001 CR4: 0000000000771ef0
[   11.663569][  T297] PKRU: 55555554
[   11.663665][  T297] Call Trace:
[   11.663761][  T297]  <TASK>
[   11.663827][  T297]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.663963][  T297]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.664063][  T297]  __dev_notify_flags (net/core/dev.c:9787)
[   11.664193][  T297]  ? netif_change_name (net/core/dev.c:1495)
[   11.664326][  T297]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   11.664492][  T297]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.664626][  T297]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.664757][  T297]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.664893][  T297]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.665022][  T297]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.665158][  T297]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.665294][  T297]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.665425][  T297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.665554][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.665686][  T297]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.665815][  T297]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.665950][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.666085][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.666216][  T297]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.666352][  T297]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.666482][  T297]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.666614][  T297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.666742][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.666875][  T297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.667009][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.667141][  T297]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.667271][  T297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.667407][  T297]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.667541][  T297]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.667671][  T297]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.667804][  T297]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.667943][  T297]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.668075][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.668207][  T297]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.668343][  T297]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.668475][  T297]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.668608][  T297]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.668739][  T297]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.668870][  T297]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.669038][  T297]  ? move_addr_to_kernel (net/socket.c:258)
[   11.669173][  T297]  ___sys_sendmsg (net/socket.c:2752)
[   11.669310][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.669441][  T297]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.669582][  T297]  ? 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))
[   11.669715][  T297]  __sys_sendmsg (net/socket.c:2784)
[   11.669847][  T297]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.669988][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.670120][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.670252][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.670387][  T297]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.670517][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.670649][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.670810][  T297] RIP: 0033:0x7f2f1546508e
[   11.670953][  T297] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.671423][  T297] RSP: 002b:00007ffce8eee6b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.671622][  T297] RAX: ffffffffffffffda RBX: 00007ffce8eeee60 RCX: 00007f2f1546508e
[   11.671817][  T297] RDX: 0000000000000000 RSI: 00007ffce8eee760 RDI: 0000000000000005
[   11.672019][  T297] RBP: 00007ffce8eee6c0 R08: 0000000000000000 R09: 0000000000000000
[   11.672214][  T297] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec10
[   11.672414][  T297] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce8eeee20
| [   11.746568][  T299] ------------[ cut here ]------------
| [   11.746750][  T299] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/299
| [   11.747035][  T299] Modules linked in: ip_gre gre
| [   11.747529][  T299] Tainted: [W]=WARN
[   11.747670][  T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.747875][  T299] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.748103][  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
[   11.748604][  T299] RSP: 0018:ffa0000000aff020 EFLAGS: 00010286
[   11.748812][  T299] RAX: 00000000ffffffa6 RBX: ff1100000576c3c0 RCX: 1ff400000015fdca
[   11.749729][  T299] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576c47c
[   11.750017][  T299] RBP: ff1100001071c000 R08: 1fe2200000aed891 R09: ff1100000ff7ae58
[   11.750259][  T299] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.750502][  T299] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.750742][  T299] FS:  00007f0755e20840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   11.751023][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.751229][  T299] CR2: 00007f07560f01a0 CR3: 000000000d518004 CR4: 0000000000771ef0
[   11.751476][  T299] PKRU: 55555554
[   11.751617][  T299] Call Trace:
[   11.751759][  T299]  <TASK>
[   11.751871][  T299]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.752065][  T299]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.752210][  T299]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.752388][  T299]  __dev_notify_flags (net/core/dev.c:9787)
[   11.752565][  T299]  ? netif_change_name (net/core/dev.c:1495)
[   11.752739][  T299]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.752928][  T299]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.753101][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.753288][  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))
[   11.753464][  T299]  netif_change_flags (net/core/dev.c:9820)
[   11.753641][  T299]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.753817][  T299]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.754004][  T299]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.754180][  T299]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.754394][  T299]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.754568][  T299]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.754744][  T299]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.754930][  T299]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.755107][  T299]  ? __kernel_text_address (kernel/extable.c:79)
[   11.755291][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.755468][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.755645][  T299]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.755820][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.756009][  T299]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.756183][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.756366][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.756542][  T299]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.756718][  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)
[   11.756905][  T299]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.757083][  T299]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.757259][  T299]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.757444][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.757622][  T299]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.757800][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.757986][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.758162][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.758345][  T299]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.758523][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.758700][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.758874][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.759067][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.759244][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.759425][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.759601][  T299]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.759779][  T299]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.759967][  T299]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.760142][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.760327][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.760501][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.760677][  T299]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.760852][  T299]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.761038][  T299]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.761220][  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))
[   11.761404][  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))
[   11.761584][  T299]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.761763][  T299]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.761953][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.762130][  T299]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.762314][  T299]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.762495][  T299]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.762674][  T299]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.762849][  T299]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.763033][  T299]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.763238][  T299]  ? move_addr_to_kernel (net/socket.c:258)
[   11.763424][  T299]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.763600][  T299]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.763778][  T299]  ___sys_sendmsg (net/socket.c:2752)
[   11.763966][  T299]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.764175][  T299]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.764372][  T299]  __sys_sendmsg (net/socket.c:2784)
[   11.764548][  T299]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.764723][  T299]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.764946][  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)
[   11.765122][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.765308][  T299]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.765485][  T299]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.765659][  T299]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.765836][  T299]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.766054][  T299] RIP: 0033:0x7f075605a08e
[   11.766235][  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
[   11.766746][  T299] RSP: 002b:00007ffcdc86f820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.767029][  T299] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f075605a08e
[   11.767268][  T299] RDX: 0000000000000000 RSI: 00007ffcdc86f8d0 RDI: 0000000000000005
[   11.767516][  T299] RBP: 00007ffcdc86f830 R08: 0000000000000000 R09: 0000000000000000
[   11.767753][  T299] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   11.768001][  T299] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcdc86ffa0
| [   11.864010][  T306] ------------[ cut here ]------------
| [   11.864168][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/306
| [   11.864406][  T306] Modules linked in: ip_gre gre
| [   11.864825][  T306] Tainted: [W]=WARN
[   11.864931][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.865095][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.865266][  T306] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.865735][  T306] RSP: 0018:ffa0000000b4f020 EFLAGS: 00010286
[   11.865903][  T306] RAX: 00000000ffffffa6 RBX: ff110000097c23c0 RCX: 1ff4000000169dca
[   11.866097][  T306] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c247c
[   11.866295][  T306] RBP: ff1100001071c000 R08: 1fe22000012f8491 R09: ff1100000bb6ae58
[   11.866490][  T306] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.866682][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.866874][  T306] FS:  00007f9053a71840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   11.867106][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.867270][  T306] CR2: 00007f9053d411a0 CR3: 0000000010af0004 CR4: 0000000000771ef0
[   11.867468][  T306] PKRU: 55555554
[   11.867564][  T306] Call Trace:
[   11.867661][  T306]  <TASK>
[   11.867728][  T306]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.867860][  T306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.867962][  T306]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.868091][  T306]  __dev_notify_flags (net/core/dev.c:9787)
[   11.868222][  T306]  ? netif_change_name (net/core/dev.c:1495)
[   11.868356][  T306]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   11.868484][  T306]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.868613][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.868743][  T306]  ? 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))
[   11.868874][  T306]  netif_change_flags (net/core/dev.c:9820)
[   11.869548][  T306]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.869684][  T306]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.869815][  T306]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.869953][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.870113][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.870240][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.870374][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.870503][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.870632][  T306]  ? __kernel_text_address (kernel/extable.c:79)
[   11.870763][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.870900][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.871030][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.871161][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.871294][  T306]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.871423][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.871552][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.871682][  T306]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.871813][  T306]  ? __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)
[   11.871950][  T306]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.872079][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.872210][  T306]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.872347][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.872481][  T306]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.872613][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.872742][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.872872][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.873007][  T306]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.873136][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.873268][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.873403][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.873534][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.873665][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.873797][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.873932][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.874061][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.874190][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.874324][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.874456][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.874585][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.874715][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.874845][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.874980][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.875113][  T306]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.875242][  T306]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.875378][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.875509][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.875637][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.875768][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.875903][  T306]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.876034][  T306]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.876165][  T306]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.876300][  T306]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.876429][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.876588][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   11.876718][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.876847][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.876982][  T306]  ___sys_sendmsg (net/socket.c:2752)
[   11.877111][  T306]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.877271][  T306]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.877417][  T306]  __sys_sendmsg (net/socket.c:2784)
[   11.877545][  T306]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.877673][  T306]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.877835][  T306]  ? 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)
[   11.877969][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.878097][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.878227][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.878360][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.878490][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.878650][  T306] RIP: 0033:0x7f9053cab08e
[   11.878785][  T306] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.879248][  T306] RSP: 002b:00007ffd5aa093f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.879447][  T306] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9053cab08e
[   11.879638][  T306] RDX: 0000000000000000 RSI: 00007ffd5aa094a0 RDI: 0000000000000005
[   11.879829][  T306] RBP: 00007ffd5aa09400 R08: 0000000000000000 R09: 0000000000000000
[   11.880026][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   11.880220][  T306] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5aa09b70
| [   11.945268][  T308] ------------[ cut here ]------------
| [   11.945462][  T308] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/308
| [   11.945735][  T308] Modules linked in: ip_gre gre
| [   11.946754][  T308] Tainted: [W]=WARN
[   11.946913][  T308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.947123][  T308] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.947346][  T308] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.947847][  T308] RSP: 0018:ffa0000000b6f020 EFLAGS: 00010286
[   11.948067][  T308] RAX: 00000000ffffffa6 RBX: ff1100000576d000 RCX: 1ff400000016ddca
[   11.948320][  T308] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576d0bc
[   11.948560][  T308] RBP: ff1100001071c000 R08: 1fe2200000aeda19 R09: ff1100000f578b58
[   11.948799][  T308] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.949051][  T308] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.949300][  T308] FS:  00007faffbc46840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   11.949574][  T308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.949784][  T308] CR2: 000000003a2a5988 CR3: 00000000099ae001 CR4: 0000000000771ef0
[   11.950033][  T308] PKRU: 55555554
[   11.950176][  T308] Call Trace:
[   11.950325][  T308]  <TASK>
[   11.950439][  T308]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.950618][  T308]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.950762][  T308]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.950951][  T308]  __dev_notify_flags (net/core/dev.c:9787)
[   11.951132][  T308]  ? netif_change_name (net/core/dev.c:1495)
[   11.951314][  T308]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.951491][  T308]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.951665][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.951842][  T308]  ? 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))
[   11.952032][  T308]  netif_change_flags (net/core/dev.c:9820)
[   11.952209][  T308]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.952390][  T308]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.952569][  T308]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.952745][  T308]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.952963][  T308]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.953139][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.953321][  T308]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.953501][  T308]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.953678][  T308]  ? __kernel_text_address (kernel/extable.c:79)
[   11.953854][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.954042][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.954218][  T308]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.954401][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.954576][  T308]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.954752][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.954937][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.955113][  T308]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.955295][  T308]  ? __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)
[   11.955471][  T308]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.955646][  T308]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.955823][  T308]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.956013][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.956195][  T308]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.956382][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.956555][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.956730][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.956917][  T308]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.957092][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.957270][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.957452][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.957631][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.957806][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.957995][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.958171][  T308]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.958354][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.958529][  T308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.958703][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.958895][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.959072][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.959249][  T308]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.959431][  T308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.959606][  T308]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.959786][  T308]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.959970][  T308]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.960149][  T308]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.960337][  T308]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.960512][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.960690][  T308]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.960866][  T308]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.961056][  T308]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.961233][  T308]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.961418][  T308]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.961593][  T308]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.961800][  T308]  ? move_addr_to_kernel (net/socket.c:258)
[   11.961991][  T308]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.962166][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.962353][  T308]  ___sys_sendmsg (net/socket.c:2752)
[   11.962527][  T308]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.962733][  T308]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.962935][  T308]  __sys_sendmsg (net/socket.c:2784)
[   11.963111][  T308]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.963290][  T308]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.963499][  T308]  ? 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)
[   11.963675][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.963851][  T308]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.964038][  T308]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.964213][  T308]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.964401][  T308]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.964606][  T308] RIP: 0033:0x7faffbe8008e
[   11.964786][  T308] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.965304][  T308] RSP: 002b:00007fff599c2870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.965548][  T308] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faffbe8008e
[   11.965786][  T308] RDX: 0000000000000000 RSI: 00007fff599c2920 RDI: 0000000000000005
[   11.966037][  T308] RBP: 00007fff599c2880 R08: 0000000000000000 R09: 0000000000000000
[   11.966274][  T308] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   11.966522][  T308] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff599c2ff0
| [   12.102283][  T316] ------------[ cut here ]------------
| [   12.102432][  T316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/316
| [   12.102654][  T316] Modules linked in: ip_gre gre
| [   12.103047][  T316] Tainted: [W]=WARN
[   12.103142][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.103308][  T316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.103472][  T316] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.103931][  T316] RSP: 0018:ffa0000000bbf060 EFLAGS: 00010286
[   12.104091][  T316] RAX: 00000000ffffffa6 RBX: ff1100000f23e900 RCX: 1ff4000000177dd2
[   12.104284][  T316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23e9bc
[   12.104472][  T316] RBP: ff1100001071c000 R08: 1fe2200001e47d39 R09: ff11000009ac2e58
[   12.104657][  T316] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   12.104844][  T316] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000bbf0f8
[   12.105037][  T316] FS:  00007f179d55a840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   12.105255][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.105416][  T316] CR2: 000000001a677988 CR3: 000000000f6e4003 CR4: 0000000000771ef0
[   12.105606][  T316] PKRU: 55555554
[   12.105699][  T316] Call Trace:
[   12.105793][  T316]  <TASK>
[   12.105857][  T316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.105992][  T316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.106088][  T316]  netif_close_many (net/core/dev.c:1804)
[   12.106213][  T316]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.106341][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.106467][  T316]  ? __dev_close_many (net/core/dev.c:1781)
[   12.106593][  T316]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   12.106751][  T316]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   12.106914][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.107037][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.107160][  T316]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.107321][  T316]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.107447][  T316]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.107571][  T316]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.107728][  T316]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.107853][  T316]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   12.108423][  T316]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   12.108551][  T316]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.108676][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.108800][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.108929][  T316]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.109056][  T316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.109179][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.109327][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.109454][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.109578][  T316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.109702][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.109826][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.109958][  T316]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   12.110086][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.110211][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.110342][  T316]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.110468][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.110595][  T316]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.110724][  T316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.110850][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.110981][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.111107][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.111233][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.111363][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.111490][  T316]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.111615][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.111741][  T316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.111869][  T316]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.112000][  T316]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.112127][  T316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.112254][  T316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.112383][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.112510][  T316]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.112636][  T316]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.112762][  T316]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.112894][  T316]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.113021][  T316]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.113146][  T316]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.113306][  T316]  ? move_addr_to_kernel (net/socket.c:258)
[   12.113433][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.113559][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.113685][  T316]  ___sys_sendmsg (net/socket.c:2752)
[   12.113811][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.113972][  T316]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.114109][  T316]  __sys_sendmsg (net/socket.c:2784)
[   12.114236][  T316]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.114371][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.114531][  T316]  ? 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)
[   12.114657][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.114784][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.114916][  T316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.115042][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.115168][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.115329][  T316] RIP: 0033:0x7f179d79408e
[   12.115461][  T316] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.115914][  T316] RSP: 002b:00007fff61bc2c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.116105][  T316] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f179d79408e
[   12.116294][  T316] RDX: 0000000000000000 RSI: 00007fff61bc2cc0 RDI: 0000000000000005
[   12.116481][  T316] RBP: 00007fff61bc2c20 R08: 0000000000000000 R09: 0000000000000000
[   12.116669][  T316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   12.116857][  T316] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff61bc3390
| [   12.118921][  T316] ------------[ cut here ]------------
| [   12.119042][  T316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/316
| [   12.119249][  T316] Modules linked in: ip_gre gre
| [   12.119619][  T316] Tainted: [W]=WARN
[   12.119710][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.119861][  T316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.120610][  T316] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.121104][  T316] RSP: 0018:ffa0000000bbf190 EFLAGS: 00010286
[   12.121260][  T316] RAX: 00000000ffffffa6 RBX: ff1100000be39c40 RCX: 1ff4000000177df8
[   12.121443][  T316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be39cfc
[   12.121624][  T316] RBP: ff1100001071c000 R08: 1fe22000017c73a1 R09: ff11000009ac2e58
[   12.121803][  T316] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.122042][  T316] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.122224][  T316] FS:  00007f179d55a840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   12.122438][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.122588][  T316] CR2: 000000001a677988 CR3: 000000000f6e4003 CR4: 0000000000771ef0
[   12.122768][  T316] PKRU: 55555554
[   12.122859][  T316] Call Trace:
[   12.122999][  T316]  <TASK>
[   12.123062][  T316]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.123216][  T316]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.123370][  T316]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.123491][  T316]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.123612][  T316]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.123763][  T316]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.123905][  T316]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   12.124027][  T316]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.124151][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.124270][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.124395][  T316]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.124516][  T316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.124637][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.124774][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.124899][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.125022][  T316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.125141][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.125261][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.125386][  T316]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   12.125509][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.125628][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.125748][  T316]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.125868][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.125997][  T316]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.126118][  T316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.126240][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.126364][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.126492][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.126613][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.126733][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.126856][  T316]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.126983][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.127103][  T316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.127227][  T316]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.127350][  T316]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.127472][  T316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.127593][  T316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.127713][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.127837][  T316]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.127962][  T316]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.128083][  T316]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.128204][  T316]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.128328][  T316]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.128448][  T316]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.128596][  T316]  ? move_addr_to_kernel (net/socket.c:258)
[   12.128718][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.128838][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.128966][  T316]  ___sys_sendmsg (net/socket.c:2752)
[   12.129087][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.129238][  T316]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.129374][  T316]  __sys_sendmsg (net/socket.c:2784)
[   12.129495][  T316]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.129615][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.129766][  T316]  ? 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)
[   12.129892][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.130014][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.130134][  T316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.130253][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.130376][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.130537][  T316] RIP: 0033:0x7f179d79408e
[   12.130662][  T316] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.131103][  T316] RSP: 002b:00007fff61bc2c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.131289][  T316] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f179d79408e
[   12.131481][  T316] RDX: 0000000000000000 RSI: 00007fff61bc2cc0 RDI: 0000000000000005
[   12.131659][  T316] RBP: 00007fff61bc2c20 R08: 0000000000000000 R09: 0000000000000000
[   12.131838][  T316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   12.132027][  T316] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff61bc3390
| [   12.181385][  T317] ------------[ cut here ]------------
| [   12.181570][  T317] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/317
| [   12.181852][  T317] Modules linked in: ip_gre gre
| [   12.182381][  T317] Tainted: [W]=WARN
[   12.182530][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.182746][  T317] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.182981][  T317] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.183517][  T317] RSP: 0018:ffa0000000bcef10 EFLAGS: 00010286
[   12.183736][  T317] RAX: 00000000ffffffa6 RBX: ff1100000d368900 RCX: 1ff4000000179da8
[   12.183997][  T317] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3689bc
[   12.184246][  T317] RBP: ff11000009124000 R08: 1fe2200001a6d139 R09: ff11000009ac5180
[   12.184500][  T317] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.184748][  T317] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   12.185006][  T317] FS:  00007f144722d840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   12.185293][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.185512][  T317] CR2: 000000000042f320 CR3: 000000000992f004 CR4: 0000000000771ef0
[   12.185762][  T317] PKRU: 55555554
[   12.185921][  T317] Call Trace:
[   12.186069][  T317]  <TASK>
[   12.186184][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.186374][  T317]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.186561][  T317]  notifier_call_chain (kernel/notifier.c:85)
[   12.186748][  T317]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   12.186941][  T317]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   12.187125][  T317]  ? netconsole_process_cleanups_core (drivers/net/netconsole.c:388)
[   12.187352][  T317]  ? netconsole_netdev_event (drivers/net/netconsole.c:1647)
[   12.187538][  T317]  netif_set_mtu (net/core/dev.c:9910)
[   12.187721][  T317]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   12.187919][  T317]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.188138][  T317]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.188330][  T317]  dev_set_mtu (net/core/dev_api.c:249)
[   12.188488][  T317]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   12.188676][  T317]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   12.188861][  T317]  ? ipgre_get_size (net/ipv4/ip_gre.c:1553) ip_gre
[   12.189059][  T317]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   12.189274][  T317] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   12.189467][  T317]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   12.189689][  T317]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.189874][  T317]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.190072][  T317]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.190254][  T317]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.190445][  T317]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.190633][  T317]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.190820][  T317]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.191020][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.191204][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.191394][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.191575][  T317]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.191755][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.191953][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.192136][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.192324][  T317]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.192509][  T317]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.192689][  T317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.192870][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.193065][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.193245][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.193433][  T317]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.193615][  T317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.193799][  T317]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.193999][  T317]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.194179][  T317]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.194373][  T317]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.194560][  T317]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.194743][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.194937][  T317]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.195121][  T317]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.195309][  T317]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.195496][  T317]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.195678][  T317]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.195859][  T317]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.196086][  T317]  ? move_addr_to_kernel (net/socket.c:258)
[   12.196273][  T317]  ___sys_sendmsg (net/socket.c:2752)
[   12.196461][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.196645][  T317]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.196840][  T317]  ? 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))
[   12.197037][  T317]  __sys_sendmsg (net/socket.c:2784)
[   12.197221][  T317]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.197418][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.197601][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.197784][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.197979][  T317]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.198164][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.198357][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.198572][  T317] RIP: 0033:0x7f144746708e
[   12.198759][  T317] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.199301][  T317] RSP: 002b:00007ffcc2253050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.199556][  T317] RAX: ffffffffffffffda RBX: 00007ffcc2253800 RCX: 00007f144746708e
[   12.199804][  T317] RDX: 0000000000000000 RSI: 00007ffcc2253100 RDI: 0000000000000005
[   12.200065][  T317] RBP: 00007ffcc2253060 R08: 0000000000000000 R09: 0000000000000000
[   12.200323][  T317] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   12.200575][  T317] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc22537c0
| [   12.203117][  T317] ------------[ cut here ]------------
| [   12.203295][  T317] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/317
| [   12.203566][  T317] Modules linked in: ip_gre gre
| [   12.204064][  T317] Tainted: [W]=WARN
[   12.204208][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.204426][  T317] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.204639][  T317] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.205156][  T317] RSP: 0018:ffa0000000bcf1b0 EFLAGS: 00010286
[   12.205373][  T317] RAX: 00000000ffffffa6 RBX: ff1100000d369000 RCX: 1ff4000000179dfc
[   12.205613][  T317] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3690bc
[   12.205852][  T317] RBP: ff11000009124000 R08: 1fe2200001a6d219 R09: ff11000009ac5180
[   12.206100][  T317] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.206344][  T317] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f7060
[   12.206587][  T317] FS:  00007f144722d840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   12.206859][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.207080][  T317] CR2: 000000000042f320 CR3: 000000000992f004 CR4: 0000000000771ef0
[   12.207327][  T317] PKRU: 55555554
[   12.207469][  T317] Call Trace:
[   12.207610][  T317]  <TASK>
[   12.207725][  T317]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.207915][  T317]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.208061][  T317]  __dev_notify_flags (net/core/dev.c:9787)
[   12.208238][  T317]  ? netif_change_name (net/core/dev.c:1495)
[   12.208421][  T317]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   12.208633][  T317]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.208811][  T317]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.209003][  T317]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.209179][  T317]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.209358][  T317]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.209539][  T317]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.209719][  T317]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.209910][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.210085][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.210260][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.210444][  T317]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.210618][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.210798][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.210989][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.211165][  T317]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.211349][  T317]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.211523][  T317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.211698][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.211879][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.212067][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.212244][  T317]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.212425][  T317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.212613][  T317]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.212793][  T317]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.212981][  T317]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.213163][  T317]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.213347][  T317]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.213523][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.213701][  T317]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.213878][  T317]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.214067][  T317]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.214244][  T317]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.214427][  T317]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.214604][  T317]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.214812][  T317]  ? move_addr_to_kernel (net/socket.c:258)
[   12.215003][  T317]  ___sys_sendmsg (net/socket.c:2752)
[   12.215178][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.215357][  T317]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.215542][  T317]  ? 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))
[   12.215723][  T317]  __sys_sendmsg (net/socket.c:2784)
[   12.215913][  T317]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.216093][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.216269][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.216454][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.216631][  T317]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.216806][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.216996][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.217205][  T317] RIP: 0033:0x7f144746708e
[   12.217394][  T317] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.217911][  T317] RSP: 002b:00007ffcc2253050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.218153][  T317] RAX: ffffffffffffffda RBX: 00007ffcc2253800 RCX: 00007f144746708e
[   12.218404][  T317] RDX: 0000000000000000 RSI: 00007ffcc2253100 RDI: 0000000000000005
[   12.218642][  T317] RBP: 00007ffcc2253060 R08: 0000000000000000 R09: 0000000000000000
[   12.218896][  T317] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   12.219135][  T317] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc22537c0
| [   12.280789][  T319] ------------[ cut here ]------------
| [   12.281201][  T319] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/319
| [   12.281439][  T319] Modules linked in: ip_gre gre
| [   12.281834][  T319] Tainted: [W]=WARN
[   12.281937][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.282096][  T319] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.282261][  T319] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.282717][  T319] RSP: 0018:ffa0000000bef020 EFLAGS: 00010286
[   12.282876][  T319] RAX: 00000000ffffffa6 RBX: ff1100000a36ce40 RCX: 1ff400000017ddca
[   12.283072][  T319] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a36cefc
[   12.283261][  T319] RBP: ff11000009124000 R08: 1fe220000146d9e1 R09: ff110000104d5158
[   12.283454][  T319] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.283643][  T319] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.283836][  T319] FS:  00007f220ed65840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   12.284066][  T319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.284227][  T319] CR2: 000000001678c988 CR3: 000000000f038001 CR4: 0000000000771ef0
[   12.284419][  T319] PKRU: 55555554
[   12.284513][  T319] Call Trace:
[   12.284608][  T319]  <TASK>
[   12.284674][  T319]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.284803][  T319]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.284903][  T319]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.285031][  T319]  __dev_notify_flags (net/core/dev.c:9787)
[   12.285161][  T319]  ? netif_change_name (net/core/dev.c:1495)
[   12.285292][  T319]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.285421][  T319]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.285548][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.285676][  T319]  ? 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))
[   12.285805][  T319]  netif_change_flags (net/core/dev.c:9820)
[   12.285941][  T319]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.286068][  T319]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.286199][  T319]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.286333][  T319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.286491][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.286617][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.286744][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.286871][  T319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.287004][  T319]  ? __kernel_text_address (kernel/extable.c:79)
[   12.287133][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.287261][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.287389][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.287515][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.287643][  T319]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.287771][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.287902][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.288028][  T319]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.288158][  T319]  ? __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)
[   12.288290][  T319]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.288418][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.288547][  T319]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.288678][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.288807][  T319]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.288943][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.289069][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.289195][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.289335][  T319]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.289460][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.289589][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.289717][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.289843][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.289975][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.290103][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.290230][  T319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.290359][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.290484][  T319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.290610][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.290739][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.290866][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.290999][  T319]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.291126][  T319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.291252][  T319]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.291387][  T319]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.291514][  T319]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.291643][  T319]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.291774][  T319]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.291909][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.292055][  T319]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.292183][  T319]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.292317][  T319]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.292448][  T319]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.292575][  T319]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.292704][  T319]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.292861][  T319]  ? move_addr_to_kernel (net/socket.c:258)
[   12.292993][  T319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.293121][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.293249][  T319]  ___sys_sendmsg (net/socket.c:2752)
[   12.293381][  T319]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.293538][  T319]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.293677][  T319]  __sys_sendmsg (net/socket.c:2784)
[   12.293804][  T319]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.293938][  T319]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.294098][  T319]  ? 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)
[   12.294225][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.294356][  T319]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.294482][  T319]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.294610][  T319]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.294738][  T319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.294898][  T319] RIP: 0033:0x7f220ef9f08e
[   12.295033][  T319] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.295487][  T319] RSP: 002b:00007fffade4c400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.295680][  T319] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f220ef9f08e
[   12.295872][  T319] RDX: 0000000000000000 RSI: 00007fffade4c4b0 RDI: 0000000000000005
[   12.296069][  T319] RBP: 00007fffade4c410 R08: 0000000000000000 R09: 0000000000000000
[   12.296258][  T319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   12.296452][  T319] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffade4cb80
| [   12.402615][  T326] ------------[ cut here ]------------
| [   12.402764][  T326] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/326
| [   12.403003][  T326] Modules linked in: ip_gre gre
| [   12.403408][  T326] Tainted: [W]=WARN
[   12.403505][  T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.403665][  T326] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.403833][  T326] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.404301][  T326] RSP: 0018:ffa0000000947020 EFLAGS: 00010286
[   12.404462][  T326] RAX: 00000000ffffffa6 RBX: ff1100000d2fc900 RCX: 1ff4000000128dca
[   12.404655][  T326] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2fc9bc
[   12.404850][  T326] RBP: ff11000009124000 R08: 1fe2200001a5f939 R09: ff1100000f5b0b58
[   12.405045][  T326] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.405236][  T326] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.405435][  T326] FS:  00007f3604423840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   12.405662][  T326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.405826][  T326] CR2: 0000000039738988 CR3: 0000000012a70003 CR4: 0000000000771ef0
[   12.406475][  T326] PKRU: 55555554
[   12.406573][  T326] Call Trace:
[   12.406669][  T326]  <TASK>
[   12.406735][  T326]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.406865][  T326]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.406969][  T326]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.407097][  T326]  __dev_notify_flags (net/core/dev.c:9787)
[   12.407229][  T326]  ? netif_change_name (net/core/dev.c:1495)
[   12.407360][  T326]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   12.407489][  T326]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.407617][  T326]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.407745][  T326]  ? 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))
[   12.407875][  T326]  netif_change_flags (net/core/dev.c:9820)
[   12.408011][  T326]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.408139][  T326]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.408271][  T326]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.408405][  T326]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.408565][  T326]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.408692][  T326]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.408820][  T326]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.408955][  T326]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.409086][  T326]  ? __kernel_text_address (kernel/extable.c:79)
[   12.409216][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.409349][  T326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.409477][  T326]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.409606][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.409733][  T326]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.409862][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.409992][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.410120][  T326]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.410250][  T326]  ? __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)
[   12.410384][  T326]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.410513][  T326]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.410643][  T326]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.410774][  T326]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.410913][  T326]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.411044][  T326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.411172][  T326]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.411307][  T326]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.411434][  T326]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.411560][  T326]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.411690][  T326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.411817][  T326]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.411950][  T326]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.412080][  T326]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.412208][  T326]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.412342][  T326]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.412470][  T326]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.412598][  T326]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.412726][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.412858][  T326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.412991][  T326]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.413120][  T326]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.413247][  T326]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.413380][  T326]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.413512][  T326]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.413638][  T326]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.413767][  T326]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.413901][  T326]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.414029][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.414160][  T326]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.414293][  T326]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.414422][  T326]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.414552][  T326]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.414701][  T326]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.414829][  T326]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.414992][  T326]  ? move_addr_to_kernel (net/socket.c:258)
[   12.415119][  T326]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.415246][  T326]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.415379][  T326]  ___sys_sendmsg (net/socket.c:2752)
[   12.415506][  T326]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.415665][  T326]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.415805][  T326]  __sys_sendmsg (net/socket.c:2784)
[   12.415938][  T326]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.416065][  T326]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.416225][  T326]  ? 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)
[   12.416356][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.416484][  T326]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.416611][  T326]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.416739][  T326]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.416868][  T326]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.417031][  T326] RIP: 0033:0x7f360465d08e
[   12.417168][  T326] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.417626][  T326] RSP: 002b:00007ffe743e9410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.417820][  T326] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f360465d08e
[   12.418017][  T326] RDX: 0000000000000000 RSI: 00007ffe743e94c0 RDI: 0000000000000005
[   12.418208][  T326] RBP: 00007ffe743e9420 R08: 0000000000000000 R09: 0000000000000000
[   12.418402][  T326] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   12.418594][  T326] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe743e9b90
| [   12.482371][  T328] ------------[ cut here ]------------
| [   12.482514][  T328] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/328
| [   12.482734][  T328] Modules linked in: ip_gre gre
| [   12.483702][  T328] Tainted: [W]=WARN
[   12.483800][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.483961][  T328] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.484126][  T328] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.484575][  T328] RSP: 0018:ffa0000000617020 EFLAGS: 00010286
[   12.484733][  T328] RAX: 00000000ffffffa6 RBX: ff1100000d2fc3c0 RCX: 1ff40000000c2dca
[   12.484927][  T328] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2fc47c
[   12.485115][  T328] RBP: ff11000009124000 R08: 1fe2200001a5f891 R09: ff1100000f5b2e58
[   12.485305][  T328] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.485492][  T328] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.485680][  T328] FS:  00007fc1ad824840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   12.485904][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.486062][  T328] CR2: 00000000274f5988 CR3: 000000000f6b7001 CR4: 0000000000771ef0
[   12.486250][  T328] PKRU: 55555554
[   12.486350][  T328] Call Trace:
[   12.486443][  T328]  <TASK>
[   12.486509][  T328]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.486636][  T328]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.486732][  T328]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.486858][  T328]  __dev_notify_flags (net/core/dev.c:9787)
[   12.486992][  T328]  ? netif_change_name (net/core/dev.c:1495)
[   12.487117][  T328]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.487243][  T328]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.487374][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.487500][  T328]  ? 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))
[   12.487628][  T328]  netif_change_flags (net/core/dev.c:9820)
[   12.487753][  T328]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.487879][  T328]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.488013][  T328]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.488141][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.488305][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.488431][  T328]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.488556][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.488680][  T328]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.488805][  T328]  ? __kernel_text_address (kernel/extable.c:79)
[   12.488937][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.489063][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.489188][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.489320][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.489446][  T328]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.489571][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.489696][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.489822][  T328]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.489953][  T328]  ? __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)
[   12.490079][  T328]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.490204][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.490336][  T328]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.490465][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.490593][  T328]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.490720][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.490846][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.490980][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.491105][  T328]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.491230][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.491364][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.491489][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.491613][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.491739][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.491865][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.491995][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.492120][  T328]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.492245][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.492377][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.492502][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.492627][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.492753][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.492879][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.493010][  T328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.493140][  T328]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.493266][  T328]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.493396][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.493522][  T328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.493646][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.493772][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.493900][  T328]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.494026][  T328]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.494153][  T328]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.494278][  T328]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.494409][  T328]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.494563][  T328]  ? move_addr_to_kernel (net/socket.c:258)
[   12.494689][  T328]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.494814][  T328]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.494947][  T328]  ___sys_sendmsg (net/socket.c:2752)
[   12.495072][  T328]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.495227][  T328]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.495366][  T328]  __sys_sendmsg (net/socket.c:2784)
[   12.495491][  T328]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.495615][  T328]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.495771][  T328]  ? 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)
[   12.495900][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.496028][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.496153][  T328]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.496277][  T328]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.496407][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.496563][  T328] RIP: 0033:0x7fc1ada5e08e
[   12.496693][  T328] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.497144][  T328] RSP: 002b:00007ffc5584ead0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.497338][  T328] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc1ada5e08e
[   12.497524][  T328] RDX: 0000000000000000 RSI: 00007ffc5584eb80 RDI: 0000000000000005
[   12.497711][  T328] RBP: 00007ffc5584eae0 R08: 0000000000000000 R09: 0000000000000000
[   12.497902][  T328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   12.498090][  T328] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5584f250
| [   12.640665][  T336] ------------[ cut here ]------------
| [   12.640814][  T336] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/336
| [   12.641047][  T336] Modules linked in: ip_gre gre
| [   12.641440][  T336] Tainted: [W]=WARN
[   12.641536][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.641696][  T336] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.641861][  T336] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.642319][  T336] RSP: 0018:ffa0000000c7f060 EFLAGS: 00010286
[   12.642481][  T336] RAX: 00000000ffffffa6 RBX: ff110000097c3000 RCX: 1ff400000018fdd2
[   12.642671][  T336] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c30bc
[   12.642859][  T336] RBP: ff11000009124000 R08: 1fe22000012f8619 R09: ff110000101c2e58
[   12.643054][  T336] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   12.643241][  T336] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000c7f0f8
[   12.643437][  T336] FS:  00007f05ff5f8840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   12.643662][  T336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.643819][  T336] CR2: 0000000009914988 CR3: 000000000ffd5004 CR4: 0000000000771ef0
[   12.644015][  T336] PKRU: 55555554
[   12.644110][  T336] Call Trace:
[   12.644204][  T336]  <TASK>
[   12.644271][  T336]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.644405][  T336]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.644502][  T336]  netif_close_many (net/core/dev.c:1804)
[   12.644630][  T336]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.644757][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.644889][  T336]  ? __dev_close_many (net/core/dev.c:1781)
[   12.645016][  T336]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   12.645174][  T336]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   12.645342][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.645468][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.645608][  T336]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.645766][  T336]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.645898][  T336]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.646026][  T336]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.646186][  T336]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.646320][  T336]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   12.646447][  T336]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   12.646576][  T336]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.646704][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.646829][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.647563][  T336]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.647691][  T336]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.647817][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.647971][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.648097][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.648223][  T336]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.648353][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.648479][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.648605][  T336]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   12.648733][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.648859][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.648990][  T336]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.649117][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.649245][  T336]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.649377][  T336]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.649504][  T336]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.649630][  T336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.649756][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.649891][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.650018][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.650145][  T336]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.650271][  T336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.650404][  T336]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.650537][  T336]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.650665][  T336]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.650792][  T336]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.650925][  T336]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.651052][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.651179][  T336]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.651313][  T336]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.651440][  T336]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.651569][  T336]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.651696][  T336]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.651822][  T336]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.651984][  T336]  ? move_addr_to_kernel (net/socket.c:258)
[   12.652113][  T336]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.652240][  T336]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.652374][  T336]  ___sys_sendmsg (net/socket.c:2752)
[   12.652499][  T336]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.652659][  T336]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.652797][  T336]  __sys_sendmsg (net/socket.c:2784)
[   12.652929][  T336]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.653054][  T336]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.653213][  T336]  ? 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)
[   12.653346][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.653473][  T336]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.653600][  T336]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.653727][  T336]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.653853][  T336]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.654015][  T336] RIP: 0033:0x7f05ff83208e
[   12.654150][  T336] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.654605][  T336] RSP: 002b:00007ffe76f95d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.654795][  T336] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f05ff83208e
[   12.654989][  T336] RDX: 0000000000000000 RSI: 00007ffe76f95db0 RDI: 0000000000000005
[   12.655176][  T336] RBP: 00007ffe76f95d10 R08: 0000000000000000 R09: 0000000000000000
[   12.655371][  T336] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   12.655559][  T336] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe76f96480
| [   12.657632][  T336] ------------[ cut here ]------------
| [   12.657753][  T336] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/336
| [   12.657972][  T336] Modules linked in: ip_gre gre
| [   12.658357][  T336] Tainted: [W]=WARN
[   12.658448][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.658601][  T336] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.658758][  T336] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.659758][  T336] RSP: 0018:ffa0000000c7f190 EFLAGS: 00010286
[   12.659990][  T336] RAX: 00000000ffffffa6 RBX: ff110000097c2c80 RCX: 1ff400000018fdf8
[   12.660172][  T336] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c2d3c
[   12.660356][  T336] RBP: ff11000009124000 R08: 1fe22000012f85a9 R09: ff110000101c2e58
[   12.660536][  T336] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.660715][  T336] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.660950][  T336] FS:  00007f05ff5f8840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   12.661163][  T336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.661316][  T336] CR2: 0000000009914988 CR3: 000000000ffd5004 CR4: 0000000000771ef0
[   12.661497][  T336] PKRU: 55555554
[   12.661587][  T336] Call Trace:
[   12.661678][  T336]  <TASK>
[   12.661742][  T336]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.661967][  T336]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.662120][  T336]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.662241][  T336]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.662367][  T336]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.662520][  T336]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.662642][  T336]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   12.662763][  T336]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.662993][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.663115][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.663249][  T336]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.663374][  T336]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.663494][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.663633][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.663752][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.663872][  T336]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.664028][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.664149][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.664271][  T336]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   12.664398][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.664519][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.664639][  T336]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.664760][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.664889][  T336]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.665013][  T336]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.665136][  T336]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.665257][  T336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.665382][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.665505][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.665625][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.665747][  T336]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.665869][  T336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.665996][  T336]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.666121][  T336]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.666241][  T336]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.666368][  T336]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.666491][  T336]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.666613][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.666736][  T336]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.666857][  T336]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.666987][  T336]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.667110][  T336]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.667232][  T336]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.667355][  T336]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.667505][  T336]  ? move_addr_to_kernel (net/socket.c:258)
[   12.667627][  T336]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.667749][  T336]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.667873][  T336]  ___sys_sendmsg (net/socket.c:2752)
[   12.667998][  T336]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.668149][  T336]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.668284][  T336]  __sys_sendmsg (net/socket.c:2784)
[   12.668407][  T336]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.668528][  T336]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.668680][  T336]  ? 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)
[   12.668802][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.668928][  T336]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.669050][  T336]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.669171][  T336]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.669294][  T336]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.669446][  T336] RIP: 0033:0x7f05ff83208e
[   12.669572][  T336] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.670011][  T336] RSP: 002b:00007ffe76f95d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.670194][  T336] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f05ff83208e
[   12.670377][  T336] RDX: 0000000000000000 RSI: 00007ffe76f95db0 RDI: 0000000000000005
[   12.670564][  T336] RBP: 00007ffe76f95d10 R08: 0000000000000000 R09: 0000000000000000
[   12.670747][  T336] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   12.670932][  T336] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe76f96480
| [   12.719114][  T337] ------------[ cut here ]------------
| [   12.719267][  T337] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/337
| [   12.719520][  T337] Modules linked in: ip_gre gre
| [   12.719945][  T337] Tainted: [W]=WARN
[   12.720049][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.720221][  T337] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.720406][  T337] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.721685][  T337] RSP: 0018:ffa0000000c8ef10 EFLAGS: 00010286
[   12.721860][  T337] RAX: 00000000ffffffa6 RBX: ff1100000d2fda80 RCX: 1ff4000000191da8
[   12.722122][  T337] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2fdb3c
[   12.722328][  T337] RBP: ff11000005139000 R08: 1fe2200001a5fb69 R09: ff1100000fe12e80
[   12.722531][  T337] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.722735][  T337] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.722949][  T337] FS:  00007ff142841840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   12.723193][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.723368][  T337] CR2: 00007ff142a3a460 CR3: 000000000f296006 CR4: 0000000000771ef0
[   12.723573][  T337] PKRU: 55555554
[   12.723677][  T337] Call Trace:
[   12.723778][  T337]  <TASK>
[   12.723849][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.723995][  T337]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.724133][  T337]  notifier_call_chain (kernel/notifier.c:85)
[   12.724273][  T337]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   12.724415][  T337]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   12.724552][  T337]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   12.724725][  T337]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   12.724904][  T337]  netif_set_mtu (net/core/dev.c:9910)
[   12.725042][  T337]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   12.725178][  T337]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   12.725325][  T337]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.725462][  T337]  dev_set_mtu (net/core/dev_api.c:249)
[   12.725566][  T337]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   12.725702][  T337]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   12.725838][  T337]  ? ipgre_get_size (net/ipv4/ip_gre.c:1553) ip_gre
[   12.725984][  T337]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   12.726155][  T337] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   12.726317][  T337]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   12.726491][  T337]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.726630][  T337]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.726769][  T337]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.726913][  T337]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.727052][  T337]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.727196][  T337]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.727345][  T337]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.727483][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.727620][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.727757][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.727900][  T337]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.728037][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.728181][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.728322][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.728459][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.728595][  T337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.728732][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.728867][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.729011][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.729150][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.729291][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.729432][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.729573][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.729714][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.729850][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.729994][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.730134][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.730274][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.730417][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.730556][  T337]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.730695][  T337]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.730834][  T337]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.730979][  T337]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.731116][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.731293][  T337]  ? move_addr_to_kernel (net/socket.c:258)
[   12.731435][  T337]  ___sys_sendmsg (net/socket.c:2752)
[   12.731574][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.731711][  T337]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.731858][  T337]  ? 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))
[   12.732002][  T337]  __sys_sendmsg (net/socket.c:2784)
[   12.732140][  T337]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.732288][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.732426][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.732565][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.732702][  T337]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.732839][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.732983][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.733153][  T337] RIP: 0033:0x7ff142a7b08e
[   12.733305][  T337] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.733792][  T337] RSP: 002b:00007ffe905d47a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.734002][  T337] RAX: ffffffffffffffda RBX: 00007ffe905d4f50 RCX: 00007ff142a7b08e
[   12.734206][  T337] RDX: 0000000000000000 RSI: 00007ffe905d4850 RDI: 0000000000000005
[   12.734415][  T337] RBP: 00007ffe905d47b0 R08: 0000000000000000 R09: 0000000000000000
[   12.734621][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   12.734826][  T337] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe905d4f10
| [   12.744166][  T337] ------------[ cut here ]------------
| [   12.744308][  T337] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/337
| [   12.744535][  T337] Modules linked in: ip_gre gre
| [   12.744937][  T337] Tainted: [W]=WARN
[   12.745037][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.745201][  T337] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.745374][  T337] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.745841][  T337] RSP: 0018:ffa0000000c8f1b0 EFLAGS: 00010286
[   12.746011][  T337] RAX: 00000000ffffffa6 RBX: ff1100000d3571c0 RCX: 1ff4000000191dfc
[   12.746207][  T337] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d35727c
[   12.746407][  T337] RBP: ff11000005139000 R08: 1fe2200001a6ae51 R09: ff1100000fe12e80
[   12.746601][  T337] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.746794][  T337] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f7060
[   12.746996][  T337] FS:  00007ff142841840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   12.747225][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.747393][  T337] CR2: 00007ff142a3a460 CR3: 000000000f296006 CR4: 0000000000771ef0
[   12.747588][  T337] PKRU: 55555554
[   12.747685][  T337] Call Trace:
[   12.747782][  T337]  <TASK>
[   12.747849][  T337]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.747988][  T337]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.748087][  T337]  __dev_notify_flags (net/core/dev.c:9787)
[   12.748219][  T337]  ? netif_change_name (net/core/dev.c:1495)
[   12.748355][  T337]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   12.748521][  T337]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.748654][  T337]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.748785][  T337]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.748921][  T337]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.749052][  T337]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.749189][  T337]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.749330][  T337]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.749462][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.749591][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.749721][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.749849][  T337]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.749984][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.750117][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.750248][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.750385][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.750514][  T337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.750645][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.750774][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.750928][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.751057][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.751189][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.751323][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.751456][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.751589][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.751718][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.751849][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.751987][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.752118][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.752250][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.752386][  T337]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.752517][  T337]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.752647][  T337]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.752777][  T337]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.752913][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.753075][  T337]  ? move_addr_to_kernel (net/socket.c:258)
[   12.753208][  T337]  ___sys_sendmsg (net/socket.c:2752)
[   12.753345][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.753474][  T337]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.753612][  T337]  ? 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))
[   12.753745][  T337]  __sys_sendmsg (net/socket.c:2784)
[   12.753876][  T337]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.754017][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.754146][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.754276][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.754411][  T337]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.754541][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.754670][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.754830][  T337] RIP: 0033:0x7ff142a7b08e
[   12.754969][  T337] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.755433][  T337] RSP: 002b:00007ffe905d47a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.755627][  T337] RAX: ffffffffffffffda RBX: 00007ffe905d4f50 RCX: 00007ff142a7b08e
[   12.755818][  T337] RDX: 0000000000000000 RSI: 00007ffe905d4850 RDI: 0000000000000005
[   12.756015][  T337] RBP: 00007ffe905d47b0 R08: 0000000000000000 R09: 0000000000000000
[   12.756209][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec11
[   12.756407][  T337] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe905d4f10
| [   12.839087][  T340] ------------[ cut here ]------------
| [   12.839239][  T340] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/340
| [   12.839470][  T340] Modules linked in: ip_gre gre
| [   12.839862][  T340] Tainted: [W]=WARN
[   12.840464][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.840624][  T340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.840788][  T340] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.841245][  T340] RSP: 0018:ffa0000000cbf020 EFLAGS: 00010286
[   12.841410][  T340] RAX: 00000000ffffffa6 RBX: ff1100000d15e740 RCX: 1ff4000000197dca
[   12.841598][  T340] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15e7fc
[   12.841786][  T340] RBP: ff11000005139000 R08: 1fe2200001a2bd01 R09: ff1100000f062e58
[   12.841979][  T340] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.842167][  T340] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.842360][  T340] FS:  00007f38e2e02840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   12.842582][  T340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.842740][  T340] CR2: 00007f38e30d21a0 CR3: 000000000f14f004 CR4: 0000000000771ef0
[   12.842935][  T340] PKRU: 55555554
[   12.843028][  T340] Call Trace:
[   12.843122][  T340]  <TASK>
[   12.843187][  T340]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.843319][  T340]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.843415][  T340]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.843542][  T340]  __dev_notify_flags (net/core/dev.c:9787)
[   12.843671][  T340]  ? netif_change_name (net/core/dev.c:1495)
[   12.843798][  T340]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.843930][  T340]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.844057][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.844183][  T340]  ? 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))
[   12.844318][  T340]  netif_change_flags (net/core/dev.c:9820)
[   12.844444][  T340]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.844571][  T340]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.844702][  T340]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.844829][  T340]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.844991][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.845118][  T340]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.845245][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.845375][  T340]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.845502][  T340]  ? __kernel_text_address (kernel/extable.c:79)
[   12.845631][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.845760][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.845890][  T340]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.846016][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.846142][  T340]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.846266][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.846397][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.846523][  T340]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.846649][  T340]  ? __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)
[   12.846776][  T340]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.846908][  T340]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.847035][  T340]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.847163][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.847297][  T340]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.847426][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.847552][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.847678][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.847805][  T340]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.847933][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.848061][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.848187][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.848317][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.848443][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.848573][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.848699][  T340]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.848826][  T340]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.848958][  T340]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.849083][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.849210][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.849341][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.849467][  T340]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.849592][  T340]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.849718][  T340]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.849846][  T340]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.849976][  T340]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.850104][  T340]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.850231][  T340]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.850359][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.850489][  T340]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.850616][  T340]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.850743][  T340]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.850870][  T340]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.851002][  T340]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.851127][  T340]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.851286][  T340]  ? move_addr_to_kernel (net/socket.c:258)
[   12.851414][  T340]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.851539][  T340]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.851667][  T340]  ___sys_sendmsg (net/socket.c:2752)
[   12.851793][  T340]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.851955][  T340]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.852093][  T340]  __sys_sendmsg (net/socket.c:2784)
[   12.852220][  T340]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.852353][  T340]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.852513][  T340]  ? 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)
[   12.852639][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.852766][  T340]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.852897][  T340]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.853023][  T340]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.853148][  T340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.853308][  T340] RIP: 0033:0x7f38e303c08e
[   12.853440][  T340] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.853892][  T340] RSP: 002b:00007ffc99de30e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.854083][  T340] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38e303c08e
[   12.854272][  T340] RDX: 0000000000000000 RSI: 00007ffc99de3190 RDI: 0000000000000005
[   12.854464][  T340] RBP: 00007ffc99de30f0 R08: 0000000000000000 R09: 0000000000000000
[   12.854653][  T340] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec12
[   12.854841][  T340] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc99de3860
| [   12.957741][  T348] ------------[ cut here ]------------
| [   12.957938][  T348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/348
| [   12.958209][  T348] Modules linked in: ip_gre gre
| [   12.958695][  T348] Tainted: [W]=WARN
[   12.958836][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.959051][  T348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.959263][  T348] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.959769][  T348] RSP: 0018:ffa0000000d3f020 EFLAGS: 00010286
[   12.959992][  T348] RAX: 00000000ffffffa6 RBX: ff1100000282a040 RCX: 1ff40000001a7dca
[   12.960227][  T348] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282a0fc
[   12.960469][  T348] RBP: ff11000005139000 R08: 1fe2200000505421 R09: ff1100000fde8b58
[   12.960702][  T348] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.960948][  T348] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.961186][  T348] FS:  00007fde61635840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   12.961461][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.961664][  T348] CR2: 00000000064bb988 CR3: 000000000f185006 CR4: 0000000000771ef0
[   12.961915][  T348] PKRU: 55555554
[   12.962057][  T348] Call Trace:
[   12.962197][  T348]  <TASK>
[   12.962314][  T348]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.962490][  T348]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.962633][  T348]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.962806][  T348]  __dev_notify_flags (net/core/dev.c:9787)
[   12.962993][  T348]  ? netif_change_name (net/core/dev.c:1495)
[   12.963165][  T348]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   12.963347][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.963521][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.963695][  T348]  ? 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))
[   12.963871][  T348]  netif_change_flags (net/core/dev.c:9820)
[   12.964059][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.964234][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.964419][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.964594][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.964799][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.964985][  T348]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.965158][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.965339][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.965516][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   12.965695][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.965869][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.966057][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.966233][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.966417][  T348]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.966591][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.966764][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.966951][  T348]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.967126][  T348]  ? __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)
[   12.967308][  T348]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.967485][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.967661][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.967837][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.968027][  T348]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.968203][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.968385][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.968562][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.968733][  T348]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.968916][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.969093][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.969265][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.969446][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.969621][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.969794][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.969981][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.970153][  T348]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.970328][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.970503][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.970678][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.970850][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.971033][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.971205][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.971386][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.971564][  T348]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.971736][  T348]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.971923][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.972098][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.972272][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.972459][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.972634][  T348]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.972808][  T348]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.972995][  T348]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.973170][  T348]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.973352][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.973554][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   12.973727][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.973912][  T348]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.974088][  T348]  ___sys_sendmsg (net/socket.c:2752)
[   12.974258][  T348]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.974471][  T348]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.974656][  T348]  __sys_sendmsg (net/socket.c:2784)
[   12.974829][  T348]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.975012][  T348]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.975220][  T348]  ? 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)
[   12.975404][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.975580][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.975754][  T348]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.975938][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.976112][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.976323][  T348] RIP: 0033:0x7fde6186f08e
[   12.976504][  T348] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.977011][  T348] RSP: 002b:00007ffcb3d16740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.977251][  T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde6186f08e
[   12.977491][  T348] RDX: 0000000000000000 RSI: 00007ffcb3d167f0 RDI: 0000000000000005
[   12.977727][  T348] RBP: 00007ffcb3d16750 R08: 0000000000000000 R09: 0000000000000000
[   12.977975][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec12
[   12.978209][  T348] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb3d16ec0
| [   13.039365][  T350] ------------[ cut here ]------------
| [   13.039516][  T350] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/350
| [   13.039740][  T350] Modules linked in: ip_gre gre
| [   13.040140][  T350] Tainted: [W]=WARN
[   13.040237][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.040405][  T350] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.040574][  T350] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.041034][  T350] RSP: 0018:ffa0000000d4f020 EFLAGS: 00010286
[   13.041196][  T350] RAX: 00000000ffffffa6 RBX: ff110000052ea900 RCX: 1ff40000001a9dca
[   13.041389][  T350] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052ea9bc
[   13.041577][  T350] RBP: ff11000005139000 R08: 1fe2200000a5d539 R09: ff1100000f3aae58
[   13.041766][  T350] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.041959][  T350] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.042151][  T350] FS:  00007fb82ab12840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   13.042376][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.042536][  T350] CR2: 00007fb82ade21a0 CR3: 000000000f0be006 CR4: 0000000000771ef0
[   13.042726][  T350] PKRU: 55555554
[   13.042821][  T350] Call Trace:
[   13.042922][  T350]  <TASK>
[   13.042989][  T350]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.043118][  T350]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.043214][  T350]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.043344][  T350]  __dev_notify_flags (net/core/dev.c:9787)
[   13.043474][  T350]  ? netif_change_name (net/core/dev.c:1495)
[   13.043602][  T350]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.043730][  T350]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.043857][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.044078][  T350]  ? 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))
[   13.044207][  T350]  netif_change_flags (net/core/dev.c:9820)
[   13.044341][  T350]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.044469][  T350]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.044600][  T350]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.044729][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.044971][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.045098][  T350]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.045225][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.045356][  T350]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.045485][  T350]  ? __kernel_text_address (kernel/extable.c:79)
[   13.045613][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.045742][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.045869][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.046072][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.046273][  T350]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.046404][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.046531][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.046659][  T350]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.046787][  T350]  ? __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)
[   13.047011][  T350]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.047139][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.047267][  T350]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.047401][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.047532][  T350]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.047661][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.047790][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.047971][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.048099][  T350]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.048225][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.048360][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.048487][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.048614][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.048744][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.048873][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.049055][  T350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.049185][  T350]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.049317][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.049443][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.049573][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.049700][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.049828][  T350]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.050008][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.050136][  T350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.050267][  T350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.050398][  T350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.050527][  T350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.050655][  T350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.050784][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.050966][  T350]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.051095][  T350]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.051223][  T350]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.051358][  T350]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.051485][  T350]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.051613][  T350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.051770][  T350]  ? move_addr_to_kernel (net/socket.c:258)
[   13.051918][  T350]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.052045][  T350]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.052173][  T350]  ___sys_sendmsg (net/socket.c:2752)
[   13.052304][  T350]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.052462][  T350]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.052601][  T350]  __sys_sendmsg (net/socket.c:2784)
[   13.052729][  T350]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.052856][  T350]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.053021][  T350]  ? 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)
[   13.053149][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.053278][  T350]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.053410][  T350]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.053536][  T350]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.053663][  T350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.053822][  T350] RIP: 0033:0x7fb82ad4c08e
[   13.053961][  T350] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.054416][  T350] RSP: 002b:00007ffca2939b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.054608][  T350] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb82ad4c08e
[   13.054798][  T350] RDX: 0000000000000000 RSI: 00007ffca2939be0 RDI: 0000000000000005
[   13.054992][  T350] RBP: 00007ffca2939b40 R08: 0000000000000000 R09: 0000000000000000
[   13.055182][  T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec12
[   13.055377][  T350] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca293a2b0
| [   13.192843][  T359] ------------[ cut here ]------------
| [   13.193041][  T359] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/359
| [   13.193320][  T359] Modules linked in: ip_gre gre
| [   13.193798][  T359] Tainted: [W]=WARN
[   13.194442][  T359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.194647][  T359] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.194859][  T359] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.195370][  T359] RSP: 0018:ffa0000000ddf060 EFLAGS: 00010286
[   13.195578][  T359] RAX: 00000000ffffffa6 RBX: ff1100000282b540 RCX: 1ff40000001bbdd2
[   13.195812][  T359] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282b5fc
[   13.196064][  T359] RBP: ff11000005139000 R08: 1fe22000005056c1 R09: ff11000009c28b58
[   13.196314][  T359] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   13.196556][  T359] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000ddf0f8
[   13.196799][  T359] FS:  00007fcbea4d8840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   13.197089][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.197305][  T359] CR2: 00000000252b8988 CR3: 000000000fe1e003 CR4: 0000000000771ef0
[   13.197547][  T359] PKRU: 55555554
[   13.197691][  T359] Call Trace:
[   13.197835][  T359]  <TASK>
[   13.197965][  T359]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.198148][  T359]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.198304][  T359]  netif_close_many (net/core/dev.c:1804)
[   13.198486][  T359]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.198664][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.198843][  T359]  ? __dev_close_many (net/core/dev.c:1781)
[   13.199045][  T359]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.199255][  T359]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.199477][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.199653][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.199833][  T359]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.200064][  T359]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.200239][  T359]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.200423][  T359]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.200627][  T359]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.200800][  T359]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.200986][  T359]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   13.201162][  T359]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   13.201345][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.201517][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.201690][  T359]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.201861][  T359]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.202046][  T359]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.202238][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.202419][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.202598][  T359]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.202769][  T359]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.202954][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.203127][  T359]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   13.203307][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.203480][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.203654][  T359]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.203830][  T359]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.204017][  T359]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.204189][  T359]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.204370][  T359]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.204540][  T359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.204712][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.204899][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.205070][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.205247][  T359]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.205427][  T359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.205601][  T359]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.205776][  T359]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.205960][  T359]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.206135][  T359]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.206316][  T359]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.206491][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.206664][  T359]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.206839][  T359]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.207026][  T359]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.207200][  T359]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.207380][  T359]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.207551][  T359]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.207752][  T359]  ? move_addr_to_kernel (net/socket.c:258)
[   13.207941][  T359]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.208114][  T359]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.208295][  T359]  ___sys_sendmsg (net/socket.c:2752)
[   13.208466][  T359]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.208668][  T359]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.208853][  T359]  __sys_sendmsg (net/socket.c:2784)
[   13.209037][  T359]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.209210][  T359]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.209424][  T359]  ? 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)
[   13.209599][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.209772][  T359]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.209960][  T359]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.210133][  T359]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.210311][  T359]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.210517][  T359] RIP: 0033:0x7fcbea71208e
[   13.210695][  T359] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.211202][  T359] RSP: 002b:00007ffd97e5c320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.211444][  T359] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcbea71208e
[   13.211677][  T359] RDX: 0000000000000000 RSI: 00007ffd97e5c3d0 RDI: 0000000000000005
[   13.211922][  T359] RBP: 00007ffd97e5c330 R08: 0000000000000000 R09: 0000000000000000
[   13.212155][  T359] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec12
[   13.212392][  T359] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd97e5caa0
| [   13.215211][  T359] ------------[ cut here ]------------
| [   13.215355][  T359] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/359
| [   13.215568][  T359] Modules linked in: ip_gre gre
| [   13.215953][  T359] Tainted: [W]=WARN
[   13.216044][  T359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.216195][  T359] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.216359][  T359] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.216788][  T359] RSP: 0018:ffa0000000ddf190 EFLAGS: 00010286
[   13.216947][  T359] RAX: 00000000ffffffa6 RBX: ff110000051f6e40 RCX: 1ff40000001bbdf8
[   13.217128][  T359] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f6efc
[   13.217314][  T359] RBP: ff11000005139000 R08: 1fe2200000a3ede1 R09: ff11000009c28b58
[   13.217495][  T359] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.217675][  T359] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.217856][  T359] FS:  00007fcbea4d8840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   13.218078][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.218230][  T359] CR2: 00007f4da83b2574 CR3: 000000000fe1e005 CR4: 0000000000771ef0
[   13.218418][  T359] PKRU: 55555554
[   13.218508][  T359] Call Trace:
[   13.218599][  T359]  <TASK>
[   13.218662][  T359]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.218819][  T359]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.218976][  T359]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.219098][  T359]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.219219][  T359]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.219377][  T359]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.219497][  T359]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   13.219619][  T359]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   13.219740][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.219861][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.219986][  T359]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.220109][  T359]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.220230][  T359]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.220374][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.220494][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.220616][  T359]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.220736][  T359]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.220857][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.220992][  T359]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   13.221116][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.221243][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.221371][  T359]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.221492][  T359]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.221614][  T359]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.221735][  T359]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.221857][  T359]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.221984][  T359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.222105][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.222228][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.222352][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.222474][  T359]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.222601][  T359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.222722][  T359]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.222846][  T359]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.222971][  T359]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.223095][  T359]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.223217][  T359]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.223344][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.223467][  T359]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.223592][  T359]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.223714][  T359]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.223837][  T359]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.223964][  T359]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.224085][  T359]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.224236][  T359]  ? move_addr_to_kernel (net/socket.c:258)
[   13.224365][  T359]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.224487][  T359]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.224611][  T359]  ___sys_sendmsg (net/socket.c:2752)
[   13.224731][  T359]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.224880][  T359]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.225019][  T359]  __sys_sendmsg (net/socket.c:2784)
[   13.225141][  T359]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.225262][  T359]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.225420][  T359]  ? 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)
[   13.225543][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.225668][  T359]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.225790][  T359]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.225917][  T359]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.226039][  T359]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.226190][  T359] RIP: 0033:0x7fcbea71208e
[   13.226322][  T359] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.226755][  T359] RSP: 002b:00007ffd97e5c320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.226948][  T359] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcbea71208e
[   13.227130][  T359] RDX: 0000000000000000 RSI: 00007ffd97e5c3d0 RDI: 0000000000000005
[   13.227320][  T359] RBP: 00007ffd97e5c330 R08: 0000000000000000 R09: 0000000000000000
[   13.227505][  T359] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec12
[   13.227685][  T359] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd97e5caa0
| [   13.263853][  T360] ------------[ cut here ]------------
| [   13.264007][  T360] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/360
| [   13.264244][  T360] Modules linked in: ip_gre gre
| [   13.264673][  T360] Tainted: [W]=WARN
[   13.264777][  T360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.264955][  T360] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.265134][  T360] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.265623][  T360] RSP: 0018:ffa0000000deef10 EFLAGS: 00010286
[   13.265795][  T360] RAX: 00000000ffffffa6 RBX: ff1100000d1638c0 RCX: 1ff40000001bdda8
[   13.266003][  T360] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d16397c
[   13.266205][  T360] RBP: ff1100001011c000 R08: 1fe2200001a2c731 R09: ff1100000a92d180
[   13.266413][  T360] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.266642][  T360] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   13.266848][  T360] FS:  00007f704cad9840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   13.267091][  T360] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.267263][  T360] CR2: 000000000042f320 CR3: 000000001057f002 CR4: 0000000000771ef0
[   13.267470][  T360] PKRU: 55555554
[   13.267572][  T360] Call Trace:
[   13.267674][  T360]  <TASK>
[   13.267746][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.267888][  T360]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.268025][  T360]  notifier_call_chain (kernel/notifier.c:85)
[   13.268166][  T360]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   13.268307][  T360]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   13.268443][  T360]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   13.268614][  T360]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   13.268789][  T360]  netif_set_mtu (net/core/dev.c:9910)
[   13.269555][  T360]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   13.269693][  T360]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   13.269833][  T360]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.269975][  T360]  dev_set_mtu (net/core/dev_api.c:249)
[   13.270079][  T360]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   13.270215][  T360]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   13.270357][  T360]  ? ipgre_get_size (net/ipv4/ip_gre.c:1553) ip_gre
[   13.270496][  T360]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   13.270699][  T360] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   13.270837][  T360]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   13.271025][  T360]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.271170][  T360]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.271315][  T360]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.271454][  T360]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.271589][  T360]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.271730][  T360]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.271869][  T360]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.272013][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.272147][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.272282][  T360]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.272424][  T360]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.272559][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.272697][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.272833][  T360]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.272974][  T360]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.273108][  T360]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.273245][  T360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.273383][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.273520][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.273654][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.273789][  T360]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.273929][  T360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.274065][  T360]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.274205][  T360]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.274346][  T360]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.274483][  T360]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.274620][  T360]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.274756][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.274897][  T360]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.275035][  T360]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.275171][  T360]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.275313][  T360]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.275448][  T360]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.275585][  T360]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.275752][  T360]  ? move_addr_to_kernel (net/socket.c:258)
[   13.275897][  T360]  ___sys_sendmsg (net/socket.c:2752)
[   13.276033][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.276168][  T360]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.276317][  T360]  ? 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))
[   13.276455][  T360]  __sys_sendmsg (net/socket.c:2784)
[   13.276592][  T360]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.276731][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.276867][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.277009][  T360]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.277146][  T360]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.277282][  T360]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.277423][  T360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.277592][  T360] RIP: 0033:0x7f704cd1308e
[   13.277739][  T360] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.278227][  T360] RSP: 002b:00007ffe81d08080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.278435][  T360] RAX: ffffffffffffffda RBX: 00007ffe81d08830 RCX: 00007f704cd1308e
[   13.278642][  T360] RDX: 0000000000000000 RSI: 00007ffe81d08130 RDI: 0000000000000005
[   13.278847][  T360] RBP: 00007ffe81d08090 R08: 0000000000000000 R09: 0000000000000000
[   13.279058][  T360] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec12
[   13.279264][  T360] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe81d087f0
| [   13.281342][  T360] ------------[ cut here ]------------
| [   13.281471][  T360] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/360
| [   13.281691][  T360] Modules linked in: ip_gre gre
| [   13.282632][  T360] Tainted: [W]=WARN
[   13.282731][  T360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.282898][  T360] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.283066][  T360] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.283528][  T360] RSP: 0018:ffa0000000def1b0 EFLAGS: 00010286
[   13.283688][  T360] RAX: 00000000ffffffa6 RBX: ff1100000ab59000 RCX: 1ff40000001bddfc
[   13.283879][  T360] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab590bc
[   13.284076][  T360] RBP: ff1100001011c000 R08: 1fe220000156b219 R09: ff1100000a92d180
[   13.284270][  T360] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.284468][  T360] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f7060
[   13.284661][  T360] FS:  00007f704cad9840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   13.284893][  T360] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.285055][  T360] CR2: 000000000042f320 CR3: 000000001057f002 CR4: 0000000000771ef0
[   13.285251][  T360] PKRU: 55555554
[   13.285350][  T360] Call Trace:
[   13.285446][  T360]  <TASK>
[   13.285513][  T360]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.285643][  T360]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.285743][  T360]  __dev_notify_flags (net/core/dev.c:9787)
[   13.285873][  T360]  ? netif_change_name (net/core/dev.c:1495)
[   13.286010][  T360]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   13.286175][  T360]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.286311][  T360]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.286443][  T360]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.286572][  T360]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.286701][  T360]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.286837][  T360]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.286975][  T360]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.287106][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.287235][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.287368][  T360]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.287497][  T360]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.287625][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.287759][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.287893][  T360]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.288023][  T360]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.288153][  T360]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.288281][  T360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.288413][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.288545][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.288673][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.288804][  T360]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.288937][  T360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.289066][  T360]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.289199][  T360]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.289332][  T360]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.289464][  T360]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.289595][  T360]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.289725][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.289855][  T360]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.289990][  T360]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.290120][  T360]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.290252][  T360]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.290384][  T360]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.290513][  T360]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.290672][  T360]  ? move_addr_to_kernel (net/socket.c:258)
[   13.290805][  T360]  ___sys_sendmsg (net/socket.c:2752)
[   13.290938][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.291067][  T360]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.291205][  T360]  ? 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))
[   13.291341][  T360]  __sys_sendmsg (net/socket.c:2784)
[   13.291471][  T360]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.291603][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.291732][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.291863][  T360]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.291995][  T360]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.292123][  T360]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.292252][  T360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.292417][  T360] RIP: 0033:0x7f704cd1308e
[   13.292550][  T360] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.293015][  T360] RSP: 002b:00007ffe81d08080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.293208][  T360] RAX: ffffffffffffffda RBX: 00007ffe81d08830 RCX: 00007f704cd1308e
[   13.293406][  T360] RDX: 0000000000000000 RSI: 00007ffe81d08130 RDI: 0000000000000005
[   13.293599][  T360] RBP: 00007ffe81d08090 R08: 0000000000000000 R09: 0000000000000000
[   13.293793][  T360] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec12
[   13.293990][  T360] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe81d087f0
| [   13.394606][  T363] ------------[ cut here ]------------
| [   13.394760][  T363] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/363
| [   13.394993][  T363] Modules linked in: ip_gre gre
| [   13.395394][  T363] Tainted: [W]=WARN
[   13.395491][  T363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.395652][  T363] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.395817][  T363] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.396282][  T363] RSP: 0018:ffa0000000e0f020 EFLAGS: 00010286
[   13.396451][  T363] RAX: 00000000ffffffa6 RBX: ff1100000c108e40 RCX: 1ff40000001c1dca
[   13.396644][  T363] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c108efc
[   13.396839][  T363] RBP: ff1100001011c000 R08: 1fe22000018211e1 R09: ff1100000aad2e58
[   13.397037][  T363] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.397227][  T363] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.397426][  T363] FS:  00007f8a66e9b840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   13.397650][  T363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.397812][  T363] CR2: 000000001cd1b988 CR3: 000000000e599004 CR4: 0000000000771ef0
[   13.398011][  T363] PKRU: 55555554
[   13.398107][  T363] Call Trace:
[   13.398203][  T363]  <TASK>
[   13.398270][  T363]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.398408][  T363]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.398507][  T363]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.398637][  T363]  __dev_notify_flags (net/core/dev.c:9787)
[   13.398767][  T363]  ? netif_change_name (net/core/dev.c:1495)
[   13.398902][  T363]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.399032][  T363]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.399162][  T363]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.399296][  T363]  ? 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))
[   13.399427][  T363]  netif_change_flags (net/core/dev.c:9820)
[   13.399555][  T363]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.399684][  T363]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.399816][  T363]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.399952][  T363]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.400113][  T363]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.400241][  T363]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.400374][  T363]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.400502][  T363]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.400632][  T363]  ? __kernel_text_address (kernel/extable.c:79)
[   13.400763][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.400901][  T363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.401030][  T363]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.401159][  T363]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.401295][  T363]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.401425][  T363]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.401552][  T363]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.401680][  T363]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.401815][  T363]  ? __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)
[   13.401952][  T363]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.402082][  T363]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.402213][  T363]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.402350][  T363]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.402486][  T363]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.402617][  T363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.402746][  T363]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.402876][  T363]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.403010][  T363]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.403138][  T363]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.403270][  T363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.403405][  T363]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.403533][  T363]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.403663][  T363]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.403793][  T363]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.403929][  T363]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.404058][  T363]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.404187][  T363]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.404322][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.404452][  T363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.404579][  T363]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.404709][  T363]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.404839][  T363]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.404973][  T363]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.405105][  T363]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.405232][  T363]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.405370][  T363]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.405504][  T363]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.405633][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.405762][  T363]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.405898][  T363]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.406030][  T363]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.406159][  T363]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.406292][  T363]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.406421][  T363]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.406582][  T363]  ? move_addr_to_kernel (net/socket.c:258)
[   13.406711][  T363]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.406840][  T363]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.406975][  T363]  ___sys_sendmsg (net/socket.c:2752)
[   13.407103][  T363]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.407261][  T363]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.407405][  T363]  __sys_sendmsg (net/socket.c:2784)
[   13.407535][  T363]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.407663][  T363]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.407823][  T363]  ? 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)
[   13.407962][  T363]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.408090][  T363]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.408217][  T363]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.408351][  T363]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.408481][  T363]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.408640][  T363] RIP: 0033:0x7f8a670d508e
[   13.408773][  T363] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.409233][  T363] RSP: 002b:00007ffee00d3f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.409433][  T363] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8a670d508e
[   13.409624][  T363] RDX: 0000000000000000 RSI: 00007ffee00d3fb0 RDI: 0000000000000005
[   13.409816][  T363] RBP: 00007ffee00d3f10 R08: 0000000000000000 R09: 0000000000000000
[   13.410012][  T363] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec12
[   13.410202][  T363] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee00d4680
| [   13.522310][  T371] ------------[ cut here ]------------
| [   13.522506][  T371] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/371
| [   13.522780][  T371] Modules linked in: ip_gre gre
| [   13.523780][  T371] Tainted: [W]=WARN
[   13.523935][  T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.524141][  T371] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.524362][  T371] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.524859][  T371] RSP: 0018:ffa0000000e4f020 EFLAGS: 00010286
[   13.525078][  T371] RAX: 00000000ffffffa6 RBX: ff1100000d162ac0 RCX: 1ff40000001c9dca
[   13.525320][  T371] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d162b7c
[   13.525557][  T371] RBP: ff1100001011c000 R08: 1fe2200001a2c571 R09: ff1100000b4e5158
[   13.525793][  T371] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.526038][  T371] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.526278][  T371] FS:  00007f69c66d4840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   13.526555][  T371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.526761][  T371] CR2: 000000000887d988 CR3: 0000000009902002 CR4: 0000000000771ef0
[   13.527117][  T371] PKRU: 55555554
[   13.527259][  T371] Call Trace:
[   13.527415][  T371]  <TASK>
[   13.527527][  T371]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.527703][  T371]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.527847][  T371]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.528031][  T371]  __dev_notify_flags (net/core/dev.c:9787)
[   13.528206][  T371]  ? netif_change_name (net/core/dev.c:1495)
[   13.528392][  T371]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   13.528569][  T371]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.528743][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.528934][  T371]  ? 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))
[   13.529110][  T371]  netif_change_flags (net/core/dev.c:9820)
[   13.529292][  T371]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.529468][  T371]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.529645][  T371]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.529820][  T371]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.530038][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.530210][  T371]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.530392][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.530567][  T371]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.530745][  T371]  ? __kernel_text_address (kernel/extable.c:79)
[   13.530934][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.531111][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.531292][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.531469][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.531646][  T371]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.531820][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.532006][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.532181][  T371]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.532363][  T371]  ? __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)
[   13.532537][  T371]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.532713][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.532903][  T371]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.533082][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.533259][  T371]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.533442][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.533616][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.533791][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.533976][  T371]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.534150][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.534334][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.534517][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.534691][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.534866][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.535054][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.535229][  T371]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.535409][  T371]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.535585][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.535757][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.535945][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.536117][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.536298][  T371]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.536472][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.536646][  T371]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.536823][  T371]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.537011][  T371]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.537187][  T371]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.537367][  T371]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.537540][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.537714][  T371]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.537903][  T371]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.538079][  T371]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.538255][  T371]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.538440][  T371]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.538615][  T371]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.538820][  T371]  ? move_addr_to_kernel (net/socket.c:258)
[   13.539009][  T371]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.539183][  T371]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.539363][  T371]  ___sys_sendmsg (net/socket.c:2752)
[   13.539536][  T371]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.539744][  T371]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.539944][  T371]  __sys_sendmsg (net/socket.c:2784)
[   13.540119][  T371]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.540330][  T371]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.540537][  T371]  ? 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)
[   13.540712][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.540901][  T371]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.541076][  T371]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.541248][  T371]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.541429][  T371]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.541633][  T371] RIP: 0033:0x7f69c690e08e
[   13.541811][  T371] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.542327][  T371] RSP: 002b:00007ffcab835eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.542565][  T371] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f69c690e08e
[   13.542803][  T371] RDX: 0000000000000000 RSI: 00007ffcab835f60 RDI: 0000000000000005
[   13.543050][  T371] RBP: 00007ffcab835ec0 R08: 0000000000000000 R09: 0000000000000000
[   13.543294][  T371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec12
[   13.543529][  T371] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcab836630
| [   13.600084][  T373] ------------[ cut here ]------------
| [   13.600266][  T373] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/373
| [   13.600543][  T373] Modules linked in: ip_gre gre
| [   13.601664][  T373] Tainted: [W]=WARN
[   13.601804][  T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.602028][  T373] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.602241][  T373] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.602744][  T373] RSP: 0018:ffa0000000747020 EFLAGS: 00010286
[   13.602964][  T373] RAX: 00000000ffffffa6 RBX: ff1100000e22bc40 RCX: 1ff40000000e8dca
[   13.603199][  T373] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22bcfc
[   13.603444][  T373] RBP: ff1100001011c000 R08: 1fe2200001c457a1 R09: ff11000010755158
[   13.603679][  T373] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.603927][  T373] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.604165][  T373] FS:  00007f7a0ce24840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   13.604440][  T373] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.604645][  T373] CR2: 0000000004e75988 CR3: 000000000e4e7004 CR4: 0000000000771ef0
[   13.604881][  T373] PKRU: 55555554
[   13.605038][  T373] Call Trace:
[   13.605180][  T373]  <TASK>
[   13.605299][  T373]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.605475][  T373]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.605618][  T373]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.605790][  T373]  __dev_notify_flags (net/core/dev.c:9787)
[   13.605978][  T373]  ? netif_change_name (net/core/dev.c:1495)
[   13.606151][  T373]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.606331][  T373]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.606503][  T373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.606678][  T373]  ? 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))
[   13.606853][  T373]  netif_change_flags (net/core/dev.c:9820)
[   13.607038][  T373]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.607213][  T373]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.607397][  T373]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.607574][  T373]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.607778][  T373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.607962][  T373]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.608137][  T373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.608316][  T373]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.608491][  T373]  ? __kernel_text_address (kernel/extable.c:79)
[   13.608668][  T373]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.608843][  T373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.609028][  T373]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.609202][  T373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.609383][  T373]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.609555][  T373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.609728][  T373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.609917][  T373]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.610095][  T373]  ? __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)
[   13.610268][  T373]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.610448][  T373]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.610623][  T373]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.610798][  T373]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.610986][  T373]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.611161][  T373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.611341][  T373]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.611517][  T373]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.611689][  T373]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.611862][  T373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.612050][  T373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.612223][  T373]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.612404][  T373]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.612577][  T373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.612753][  T373]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.612936][  T373]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.613110][  T373]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.613316][  T373]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.613491][  T373]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.613666][  T373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.613838][  T373]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.614025][  T373]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.614201][  T373]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.614383][  T373]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.614560][  T373]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.614732][  T373]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.614921][  T373]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.615096][  T373]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.615269][  T373]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.615450][  T373]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.615627][  T373]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.615802][  T373]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.615991][  T373]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.616165][  T373]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.616345][  T373]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.616548][  T373]  ? move_addr_to_kernel (net/socket.c:258)
[   13.616724][  T373]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.616912][  T373]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.617090][  T373]  ___sys_sendmsg (net/socket.c:2752)
[   13.617263][  T373]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.617476][  T373]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.617661][  T373]  __sys_sendmsg (net/socket.c:2784)
[   13.617836][  T373]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.618021][  T373]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.618231][  T373]  ? 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)
[   13.618414][  T373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.618588][  T373]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.618760][  T373]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.618950][  T373]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.619124][  T373]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.619331][  T373] RIP: 0033:0x7f7a0d05e08e
[   13.619510][  T373] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.620022][  T373] RSP: 002b:00007fffef2979e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.620260][  T373] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7a0d05e08e
[   13.620507][  T373] RDX: 0000000000000000 RSI: 00007fffef297a90 RDI: 0000000000000005
[   13.620742][  T373] RBP: 00007fffef2979f0 R08: 0000000000000000 R09: 0000000000000000
[   13.620991][  T373] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec12
[   13.621226][  T373] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffef298160
| [   13.765471][  T382] ------------[ cut here ]------------
| [   13.765661][  T382] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/382
| [   13.766525][  T382] Modules linked in: ip_gre gre
| [   13.767176][  T382] Tainted: [W]=WARN
[   13.767415][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.767677][  T382] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.767898][  T382] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.768394][  T382] RSP: 0018:ffa0000000eaf060 EFLAGS: 00010286
[   13.768598][  T382] RAX: 00000000ffffffa6 RBX: ff1100000e174c80 RCX: 1ff40000001d5dd2
[   13.768830][  T382] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e174d3c
[   13.769078][  T382] RBP: ff1100001011c000 R08: 1fe2200001c2e9a9 R09: ff11000009642e58
[   13.769315][  T382] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   13.769545][  T382] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000eaf0f8
[   13.769779][  T382] FS:  00007f803ff9d840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   13.770058][  T382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.770267][  T382] CR2: 0000000004de4988 CR3: 000000000f585001 CR4: 0000000000771ef0
[   13.770508][  T382] PKRU: 55555554
[   13.770649][  T382] Call Trace:
[   13.770792][  T382]  <TASK>
[   13.770921][  T382]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.771097][  T382]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.771238][  T382]  netif_close_many (net/core/dev.c:1804)
[   13.771419][  T382]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.771591][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.771764][  T382]  ? __dev_close_many (net/core/dev.c:1781)
[   13.771948][  T382]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.772153][  T382]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.772364][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.772532][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.772704][  T382]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.772917][  T382]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.773091][  T382]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.773262][  T382]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.773470][  T382]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.773643][  T382]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   13.773816][  T382]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   13.773997][  T382]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   13.774171][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.774349][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.774521][  T382]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.774692][  T382]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.774862][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.775064][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.775237][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.775422][  T382]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.775595][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.775770][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.775954][  T382]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   13.776128][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.776307][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.776479][  T382]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.776651][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.776823][  T382]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.777010][  T382]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.777182][  T382]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.777361][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.777534][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.777708][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.777879][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.778069][  T382]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.778242][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.778423][  T382]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.778600][  T382]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.778772][  T382]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.778964][  T382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.779144][  T382]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.779323][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.779497][  T382]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.779671][  T382]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.779844][  T382]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.780031][  T382]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.780204][  T382]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.780383][  T382]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.780585][  T382]  ? move_addr_to_kernel (net/socket.c:258)
[   13.780758][  T382]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.780946][  T382]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.781122][  T382]  ___sys_sendmsg (net/socket.c:2752)
[   13.781301][  T382]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.781506][  T382]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.781693][  T382]  __sys_sendmsg (net/socket.c:2784)
[   13.781868][  T382]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.782052][  T382]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.782257][  T382]  ? 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)
[   13.782435][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.782608][  T382]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.782779][  T382]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.782964][  T382]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.783140][  T382]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.783348][  T382] RIP: 0033:0x7f80401d708e
[   13.783526][  T382] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.784029][  T382] RSP: 002b:00007ffeafd627e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.784267][  T382] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f80401d708e
[   13.784507][  T382] RDX: 0000000000000000 RSI: 00007ffeafd62890 RDI: 0000000000000005
[   13.784741][  T382] RBP: 00007ffeafd627f0 R08: 0000000000000000 R09: 0000000000000000
[   13.784987][  T382] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   13.785223][  T382] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeafd62f60
| [   13.788029][  T382] ------------[ cut here ]------------
| [   13.788163][  T382] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/382
| [   13.788383][  T382] Modules linked in: ip_gre gre
| [   13.788761][  T382] Tainted: [W]=WARN
[   13.788853][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.789016][  T382] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.789177][  T382] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.789616][  T382] RSP: 0018:ffa0000000eaf190 EFLAGS: 00010286
[   13.789771][  T382] RAX: 00000000ffffffa6 RBX: ff1100000576dc40 RCX: 1ff40000001d5df8
[   13.789962][  T382] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576dcfc
[   13.790144][  T382] RBP: ff1100001011c000 R08: 1fe2200000aedba1 R09: ff11000009642e58
[   13.790334][  T382] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.790517][  T382] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.790702][  T382] FS:  00007f803ff9d840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   13.790923][  T382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.791075][  T382] CR2: 00007f775feb4574 CR3: 000000000f585003 CR4: 0000000000771ef0
[   13.791259][  T382] PKRU: 55555554
[   13.791357][  T382] Call Trace:
[   13.791449][  T382]  <TASK>
[   13.791513][  T382]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.791669][  T382]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.791821][  T382]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.791950][  T382]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.792074][  T382]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.792226][  T382]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.792352][  T382]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   13.792476][  T382]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   13.792600][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.792722][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.792846][  T382]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.792975][  T382]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.793097][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.793236][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.793359][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.793480][  T382]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.793600][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.793722][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.793844][  T382]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   13.793974][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.794096][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.794222][  T382]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.794357][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.794481][  T382]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.794604][  T382]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.794726][  T382]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.794847][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.794975][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.795098][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.795220][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.795349][  T382]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.795470][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.795592][  T382]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.795718][  T382]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.795839][  T382]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.795973][  T382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.796097][  T382]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.796220][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.796352][  T382]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.796475][  T382]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.796599][  T382]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.796724][  T382]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.796847][  T382]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.796976][  T382]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.797129][  T382]  ? move_addr_to_kernel (net/socket.c:258)
[   13.797254][  T382]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.797381][  T382]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.797505][  T382]  ___sys_sendmsg (net/socket.c:2752)
[   13.797627][  T382]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.797781][  T382]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.797920][  T382]  __sys_sendmsg (net/socket.c:2784)
[   13.798042][  T382]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.798164][  T382]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.798322][  T382]  ? 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)
[   13.798445][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.798568][  T382]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.798691][  T382]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.798814][  T382]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.798943][  T382]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.799095][  T382] RIP: 0033:0x7f80401d708e
[   13.799225][  T382] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.799661][  T382] RSP: 002b:00007ffeafd627e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.799845][  T382] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f80401d708e
[   13.800039][  T382] RDX: 0000000000000000 RSI: 00007ffeafd62890 RDI: 0000000000000005
[   13.800222][  T382] RBP: 00007ffeafd627f0 R08: 0000000000000000 R09: 0000000000000000
[   13.800409][  T382] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   13.800593][  T382] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeafd62f60
| [   13.843244][  T383] ------------[ cut here ]------------
| [   13.843403][  T383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/383
| [   13.843646][  T383] Modules linked in: ip_gre gre
| [   13.844632][  T383] Tainted: [W]=WARN
[   13.844738][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.844920][  T383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.845106][  T383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.845595][  T383] RSP: 0018:ffa0000000ebef10 EFLAGS: 00010286
[   13.845768][  T383] RAX: 00000000ffffffa6 RBX: ff1100000c30b700 RCX: 1ff40000001d7da8
[   13.845978][  T383] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30b7bc
[   13.846183][  T383] RBP: ff11000008d71000 R08: 1fe22000018616f9 R09: ff11000009645180
[   13.846393][  T383] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.846596][  T383] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.846802][  T383] FS:  00007ffab138a840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   13.847052][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.847223][  T383] CR2: 000000000042f320 CR3: 0000000004b1d002 CR4: 0000000000771ef0
[   13.847434][  T383] PKRU: 55555554
[   13.847539][  T383] Call Trace:
[   13.847640][  T383]  <TASK>
[   13.847709][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.847847][  T383]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.847991][  T383]  notifier_call_chain (kernel/notifier.c:85)
[   13.848132][  T383]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   13.848270][  T383]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   13.848411][  T383]  ? netconsole_process_cleanups_core (drivers/net/netconsole.c:388)
[   13.848585][  T383]  ? netconsole_netdev_event (drivers/net/netconsole.c:1647)
[   13.848727][  T383]  netif_set_mtu (net/core/dev.c:9910)
[   13.848864][  T383]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   13.849011][  T383]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.849187][  T383]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.849330][  T383]  dev_set_mtu (net/core/dev_api.c:249)
[   13.849433][  T383]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   13.849570][  T383]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   13.849707][  T383]  ? ipgre_get_size (net/ipv4/ip_gre.c:1553) ip_gre
[   13.849846][  T383]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   13.850024][  T383] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   13.850162][  T383]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   13.850338][  T383]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.850476][  T383]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.850614][  T383]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.850750][  T383]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.850892][  T383]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.851034][  T383]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.851174][  T383]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.851317][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.851453][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.851590][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.851727][  T383]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.851863][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.852007][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.852144][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.852282][  T383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.852422][  T383]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.852558][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.852693][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.852833][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.853037][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.853174][  T383]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.853313][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.853449][  T383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.853588][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.853723][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.853863][  T383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.854081][  T383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.854276][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.854420][  T383]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.854559][  T383]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.854697][  T383]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.854837][  T383]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.855039][  T383]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.855177][  T383]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.855351][  T383]  ? move_addr_to_kernel (net/socket.c:258)
[   13.855492][  T383]  ___sys_sendmsg (net/socket.c:2752)
[   13.855627][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.855763][  T383]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.855938][  T383]  ? 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))
[   13.856077][  T383]  __sys_sendmsg (net/socket.c:2784)
[   13.856215][  T383]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.856365][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.856501][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.856637][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.856773][  T383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.856915][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.857052][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.857221][  T383] RIP: 0033:0x7ffab15c408e
[   13.857371][  T383] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.857855][  T383] RSP: 002b:00007ffed53512c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.858066][  T383] RAX: ffffffffffffffda RBX: 00007ffed5351a70 RCX: 00007ffab15c408e
[   13.858271][  T383] RDX: 0000000000000000 RSI: 00007ffed5351370 RDI: 0000000000000005
[   13.858480][  T383] RBP: 00007ffed53512d0 R08: 0000000000000000 R09: 0000000000000000
[   13.858683][  T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   13.858891][  T383] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed5351a30
| [   13.860988][  T383] ------------[ cut here ]------------
| [   13.861116][  T383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/383
| [   13.861342][  T383] Modules linked in: ip_gre gre
| [   13.861735][  T383] Tainted: [W]=WARN
[   13.861833][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.861997][  T383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.862166][  T383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.862632][  T383] RSP: 0018:ffa0000000ebf1b0 EFLAGS: 00010286
[   13.862796][  T383] RAX: 00000000ffffffa6 RBX: ff1100000c30b000 RCX: 1ff40000001d7dfc
[   13.862994][  T383] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30b0bc
[   13.863190][  T383] RBP: ff11000008d71000 R08: 1fe2200001861619 R09: ff11000009645180
[   13.863389][  T383] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.863581][  T383] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f7060
[   13.863775][  T383] FS:  00007ffab138a840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   13.864007][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.864169][  T383] CR2: 000000000042f320 CR3: 0000000004b1d002 CR4: 0000000000771ef0
[   13.864367][  T383] PKRU: 55555554
[   13.864463][  T383] Call Trace:
[   13.864559][  T383]  <TASK>
[   13.864625][  T383]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.864756][  T383]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.864857][  T383]  __dev_notify_flags (net/core/dev.c:9787)
[   13.864994][  T383]  ? netif_change_name (net/core/dev.c:1495)
[   13.865125][  T383]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   13.865295][  T383]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.865427][  T383]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.865560][  T383]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.865690][  T383]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.865821][  T383]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.865963][  T383]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.866096][  T383]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.866228][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.866362][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.866491][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.866622][  T383]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.866751][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.866891][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.867022][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.867153][  T383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.867282][  T383]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.867413][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.867542][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.867673][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.867804][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.867940][  T383]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.868069][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.868199][  T383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.868334][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.868464][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.868597][  T383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.868728][  T383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.868861][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.868996][  T383]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.869129][  T383]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.869260][  T383]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.869394][  T383]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.869523][  T383]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.869653][  T383]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.869815][  T383]  ? move_addr_to_kernel (net/socket.c:258)
[   13.869954][  T383]  ___sys_sendmsg (net/socket.c:2752)
[   13.870085][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.870215][  T383]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.870359][  T383]  ? 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))
[   13.870492][  T383]  __sys_sendmsg (net/socket.c:2784)
[   13.870623][  T383]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.870756][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.870891][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.871023][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.871153][  T383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.871288][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.871419][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.871579][  T383] RIP: 0033:0x7ffab15c408e
[   13.871714][  T383] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.872183][  T383] RSP: 002b:00007ffed53512c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.872384][  T383] RAX: ffffffffffffffda RBX: 00007ffed5351a70 RCX: 00007ffab15c408e
[   13.872577][  T383] RDX: 0000000000000000 RSI: 00007ffed5351370 RDI: 0000000000000005
[   13.872771][  T383] RBP: 00007ffed53512d0 R08: 0000000000000000 R09: 0000000000000000
[   13.872971][  T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   13.873165][  T383] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed5351a30
| [   13.971299][  T386] ------------[ cut here ]------------
| [   13.971451][  T386] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/386
| [   13.971680][  T386] Modules linked in: ip_gre gre
| [   13.972088][  T386] Tainted: [W]=WARN
[   13.972186][  T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.972351][  T386] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.972517][  T386] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.973293][  T386] RSP: 0018:ffa0000000eef020 EFLAGS: 00010286
[   13.973458][  T386] RAX: 00000000ffffffa6 RBX: ff1100000e174e40 RCX: 1ff40000001dddca
[   13.973656][  T386] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e174efc
[   13.973853][  T386] RBP: ff11000008d71000 R08: 1fe2200001c2e9e1 R09: ff1100000f3b5158
[   13.974053][  T386] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.974244][  T386] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.974444][  T386] FS:  00007faba3236840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   13.974671][  T386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.974833][  T386] CR2: 000000003932f988 CR3: 0000000010a17002 CR4: 0000000000771ef0
[   13.975031][  T386] PKRU: 55555554
[   13.975127][  T386] Call Trace:
[   13.975223][  T386]  <TASK>
[   13.975294][  T386]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.975429][  T386]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.975528][  T386]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.975656][  T386]  __dev_notify_flags (net/core/dev.c:9787)
[   13.975785][  T386]  ? netif_change_name (net/core/dev.c:1495)
[   13.975920][  T386]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.976051][  T386]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.976180][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.976316][  T386]  ? 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))
[   13.976446][  T386]  netif_change_flags (net/core/dev.c:9820)
[   13.976577][  T386]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.976706][  T386]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.976837][  T386]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.976971][  T386]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.977131][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.977258][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.977393][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.977522][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.977651][  T386]  ? __kernel_text_address (kernel/extable.c:79)
[   13.977783][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.977918][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.978046][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.978175][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.978308][  T386]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.978437][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.978564][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.978695][  T386]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.978824][  T386]  ? __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)
[   13.978957][  T386]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.979086][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.979216][  T386]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.979353][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.979510][  T386]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.979649][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.979776][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.979910][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.980038][  T386]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.980164][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.980298][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.980425][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.980553][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.980680][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.980809][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.980943][  T386]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.981069][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.981196][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.981327][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.981457][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.981584][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.981713][  T386]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.981840][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.981975][  T386]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.982106][  T386]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.982234][  T386]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.982366][  T386]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.982497][  T386]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.982627][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.982758][  T386]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.982894][  T386]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.983024][  T386]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.983154][  T386]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.983283][  T386]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.983415][  T386]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.983572][  T386]  ? move_addr_to_kernel (net/socket.c:258)
[   13.983702][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.983829][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.983961][  T386]  ___sys_sendmsg (net/socket.c:2752)
[   13.984089][  T386]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.984249][  T386]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.984394][  T386]  __sys_sendmsg (net/socket.c:2784)
[   13.984521][  T386]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.984650][  T386]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.984811][  T386]  ? 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)
[   13.984944][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.985072][  T386]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.985199][  T386]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.985331][  T386]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.985460][  T386]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.985619][  T386] RIP: 0033:0x7faba347008e
[   13.985753][  T386] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.986216][  T386] RSP: 002b:00007ffec4ed1590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.986414][  T386] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faba347008e
[   13.986606][  T386] RDX: 0000000000000000 RSI: 00007ffec4ed1640 RDI: 0000000000000005
[   13.986796][  T386] RBP: 00007ffec4ed15a0 R08: 0000000000000000 R09: 0000000000000000
[   13.986991][  T386] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   13.987183][  T386] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec4ed1d10
| [   14.103314][  T394] ------------[ cut here ]------------
| [   14.103461][  T394] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/394
| [   14.103693][  T394] Modules linked in: ip_gre gre
| [   14.104763][  T394] Tainted: [W]=WARN
[   14.104863][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.105080][  T394] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.105248][  T394] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.105707][  T394] RSP: 0018:ffa0000000f5f020 EFLAGS: 00010286
[   14.105869][  T394] RAX: 00000000ffffffa6 RBX: ff1100000f23ec80 RCX: 1ff40000001ebdca
[   14.106106][  T394] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23ed3c
[   14.106303][  T394] RBP: ff11000008d71000 R08: 1fe2200001e47da9 R09: ff11000010120b58
[   14.106492][  T394] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   14.106682][  T394] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.106876][  T394] FS:  00007f830714c840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   14.107108][  T394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.107293][  T394] CR2: 000000001c741988 CR3: 000000000f735006 CR4: 0000000000771ef0
[   14.107487][  T394] PKRU: 55555554
[   14.107583][  T394] Call Trace:
[   14.107678][  T394]  <TASK>
[   14.107744][  T394]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.107873][  T394]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.107977][  T394]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.108106][  T394]  __dev_notify_flags (net/core/dev.c:9787)
[   14.108236][  T394]  ? netif_change_name (net/core/dev.c:1495)
[   14.108371][  T394]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   14.108500][  T394]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.108628][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.108758][  T394]  ? 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))
[   14.108894][  T394]  netif_change_flags (net/core/dev.c:9820)
[   14.109024][  T394]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.109156][  T394]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.109291][  T394]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.109421][  T394]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.109579][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.109706][  T394]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.109834][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.109966][  T394]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.110095][  T394]  ? __kernel_text_address (kernel/extable.c:79)
[   14.110225][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.110359][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.110485][  T394]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.110614][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.110742][  T394]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.110869][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.111003][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.111130][  T394]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.111260][  T394]  ? __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)
[   14.111391][  T394]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.111518][  T394]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.111646][  T394]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.111776][  T394]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.111913][  T394]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.112043][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.112169][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.112300][  T394]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.112427][  T394]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.112553][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.112682][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.112809][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.112943][  T394]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.113071][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.113199][  T394]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.113330][  T394]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.113457][  T394]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.113584][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.113711][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.113839][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.113973][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.114102][  T394]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.114230][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.114361][  T394]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.114492][  T394]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.114619][  T394]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.114748][  T394]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.114877][  T394]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.115014][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.115144][  T394]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.115274][  T394]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.115408][  T394]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.115540][  T394]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.115667][  T394]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.115795][  T394]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.115961][  T394]  ? move_addr_to_kernel (net/socket.c:258)
[   14.116090][  T394]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.116218][  T394]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.116350][  T394]  ___sys_sendmsg (net/socket.c:2752)
[   14.116477][  T394]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.116637][  T394]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.116777][  T394]  __sys_sendmsg (net/socket.c:2784)
[   14.116914][  T394]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.117043][  T394]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.117204][  T394]  ? 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)
[   14.117334][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.117463][  T394]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.117592][  T394]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.117719][  T394]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.117846][  T394]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.118014][  T394] RIP: 0033:0x7f830738608e
[   14.118148][  T394] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.118605][  T394] RSP: 002b:00007ffcdd143920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.118798][  T394] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f830738608e
[   14.118991][  T394] RDX: 0000000000000000 RSI: 00007ffcdd1439d0 RDI: 0000000000000005
[   14.119181][  T394] RBP: 00007ffcdd143930 R08: 0000000000000000 R09: 0000000000000000
[   14.119376][  T394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   14.119566][  T394] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcdd1440a0
| [   14.179642][  T396] ------------[ cut here ]------------
| [   14.179785][  T396] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/396
| [   14.180018][  T396] Modules linked in: ip_gre gre
| [   14.180414][  T396] Tainted: [W]=WARN
[   14.180510][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.180669][  T396] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.180835][  T396] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.181299][  T396] RSP: 0018:ffa0000000f7f020 EFLAGS: 00010286
[   14.181459][  T396] RAX: 00000000ffffffa6 RBX: ff1100000f23f8c0 RCX: 1ff40000001efdca
[   14.181648][  T396] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23f97c
[   14.181837][  T396] RBP: ff11000008d71000 R08: 1fe2200001e47f31 R09: ff11000010125158
[   14.182033][  T396] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.182220][  T396] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.182416][  T396] FS:  00007f030c455840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   14.182639][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.182799][  T396] CR2: 000000003938d988 CR3: 000000000fcd7002 CR4: 0000000000771ef0
[   14.182998][  T396] PKRU: 55555554
[   14.183093][  T396] Call Trace:
[   14.183187][  T396]  <TASK>
[   14.183254][  T396]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.183388][  T396]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.183485][  T396]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.183612][  T396]  __dev_notify_flags (net/core/dev.c:9787)
[   14.183740][  T396]  ? netif_change_name (net/core/dev.c:1495)
[   14.183868][  T396]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.184664][  T396]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.184792][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.184976][  T396]  ? 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))
[   14.185106][  T396]  netif_change_flags (net/core/dev.c:9820)
[   14.185234][  T396]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.185367][  T396]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.185497][  T396]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.185626][  T396]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.185785][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.185968][  T396]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.186096][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.186311][  T396]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.186443][  T396]  ? __kernel_text_address (kernel/extable.c:79)
[   14.186571][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.186700][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.186828][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.186961][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.187089][  T396]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.187215][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.187347][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.187474][  T396]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.187601][  T396]  ? __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)
[   14.187729][  T396]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.187856][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.187990][  T396]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.188119][  T396]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.188250][  T396]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.188386][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.188513][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.188640][  T396]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.188766][  T396]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.188897][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.189028][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.189156][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.189283][  T396]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.189415][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.189542][  T396]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.189671][  T396]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.189799][  T396]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.189928][  T396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.190055][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.190183][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.190314][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.190442][  T396]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.190568][  T396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.190695][  T396]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.190825][  T396]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.190956][  T396]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.191084][  T396]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.191212][  T396]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.191345][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.191472][  T396]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.191600][  T396]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.191728][  T396]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.191856][  T396]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.191987][  T396]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.192114][  T396]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.192272][  T396]  ? move_addr_to_kernel (net/socket.c:258)
[   14.192407][  T396]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.192535][  T396]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.192663][  T396]  ___sys_sendmsg (net/socket.c:2752)
[   14.192790][  T396]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.192953][  T396]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.193093][  T396]  __sys_sendmsg (net/socket.c:2784)
[   14.193222][  T396]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.193355][  T396]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.193515][  T396]  ? 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)
[   14.193642][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.193771][  T396]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.193900][  T396]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.194027][  T396]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.194154][  T396]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.194318][  T396] RIP: 0033:0x7f030c68f08e
[   14.194450][  T396] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.194906][  T396] RSP: 002b:00007ffcc1dee580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.195100][  T396] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f030c68f08e
[   14.195293][  T396] RDX: 0000000000000000 RSI: 00007ffcc1dee630 RDI: 0000000000000005
[   14.195483][  T396] RBP: 00007ffcc1dee590 R08: 0000000000000000 R09: 0000000000000000
[   14.195672][  T396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   14.195863][  T396] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc1deed00
| [   14.338404][  T405] ------------[ cut here ]------------
| [   14.338562][  T405] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/405
| [   14.338787][  T405] Modules linked in: ip_gre gre
| [   14.339197][  T405] Tainted: [W]=WARN
[   14.339298][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.339456][  T405] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.339620][  T405] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.340079][  T405] RSP: 0018:ffa0000000c7f060 EFLAGS: 00010286
[   14.340240][  T405] RAX: 00000000ffffffa6 RBX: ff1100000c30a580 RCX: 1ff400000018fdd2
[   14.340431][  T405] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30a63c
[   14.340621][  T405] RBP: ff11000008d71000 R08: 1fe22000018614c9 R09: ff1100000a94d158
[   14.340811][  T405] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   14.341007][  T405] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000c7f0f8
[   14.341198][  T405] FS:  00007fbb355e7840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   14.341424][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.341582][  T405] CR2: 0000000025297988 CR3: 000000001041f005 CR4: 0000000000771ef0
[   14.341771][  T405] PKRU: 55555554
[   14.341865][  T405] Call Trace:
[   14.341965][  T405]  <TASK>
[   14.342031][  T405]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.342161][  T405]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.342257][  T405]  netif_close_many (net/core/dev.c:1804)
[   14.342389][  T405]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.342515][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.342642][  T405]  ? __dev_close_many (net/core/dev.c:1781)
[   14.342770][  T405]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   14.342930][  T405]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   14.343089][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.343216][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.343345][  T405]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.343501][  T405]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.343629][  T405]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.343755][  T405]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.343917][  T405]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.344044][  T405]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   14.344171][  T405]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   14.344302][  T405]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.344429][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.344554][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.344679][  T405]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.344804][  T405]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.344933][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.345080][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.345206][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.345333][  T405]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.345458][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.345583][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.345709][  T405]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   14.345836][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.345969][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.346095][  T405]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.346221][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.346352][  T405]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.346478][  T405]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.346604][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.346730][  T405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.346856][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.346991][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.347116][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.347242][  T405]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.347372][  T405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.347499][  T405]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.347628][  T405]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.347752][  T405]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.347879][  T405]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.348013][  T405]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.348141][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.348268][  T405]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.348398][  T405]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.348525][  T405]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.348653][  T405]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.348779][  T405]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.348912][  T405]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.349067][  T405]  ? move_addr_to_kernel (net/socket.c:258)
[   14.349195][  T405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.349325][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.349453][  T405]  ___sys_sendmsg (net/socket.c:2752)
[   14.349583][  T405]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.349745][  T405]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.349890][  T405]  __sys_sendmsg (net/socket.c:2784)
[   14.350018][  T405]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.350143][  T405]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.350306][  T405]  ? 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)
[   14.350436][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.350566][  T405]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.350696][  T405]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.350824][  T405]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.350960][  T405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.351120][  T405] RIP: 0033:0x7fbb3582108e
[   14.351255][  T405] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.351707][  T405] RSP: 002b:00007ffc1ec83a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.351903][  T405] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbb3582108e
[   14.352091][  T405] RDX: 0000000000000000 RSI: 00007ffc1ec83b30 RDI: 0000000000000005
[   14.352280][  T405] RBP: 00007ffc1ec83a90 R08: 0000000000000000 R09: 0000000000000000
[   14.352474][  T405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   14.352663][  T405] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1ec84200
| [   14.355150][  T405] ------------[ cut here ]------------
| [   14.355275][  T405] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/405
| [   14.355493][  T405] Modules linked in: ip_gre gre
| [   14.355864][  T405] Tainted: [W]=WARN
[   14.356598][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.356759][  T405] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.356983][  T405] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.357420][  T405] RSP: 0018:ffa0000000c7f190 EFLAGS: 00010286
[   14.357572][  T405] RAX: 00000000ffffffa6 RBX: ff110000097c2740 RCX: 1ff400000018fdf8
[   14.357754][  T405] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c27fc
[   14.358006][  T405] RBP: ff11000008d71000 R08: 1fe22000012f8501 R09: ff1100000a94d158
[   14.358195][  T405] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   14.358379][  T405] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.358562][  T405] FS:  00007fbb355e7840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   14.358773][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.358970][  T405] CR2: 0000000025297988 CR3: 000000001041f005 CR4: 0000000000771ef0
[   14.359153][  T405] PKRU: 55555554
[   14.359244][  T405] Call Trace:
[   14.359338][  T405]  <TASK>
[   14.359402][  T405]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.359558][  T405]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.359708][  T405]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.359830][  T405]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.359957][  T405]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.360107][  T405]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.360230][  T405]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   14.360357][  T405]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.360479][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.360600][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.360722][  T405]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.360843][  T405]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.360975][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.361113][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.361234][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.361363][  T405]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.361483][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.361604][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.361726][  T405]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   14.361848][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.361975][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.362096][  T405]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.362219][  T405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.362348][  T405]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.362470][  T405]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.362591][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.362713][  T405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.362835][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.362964][  T405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.363085][  T405]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.363208][  T405]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.363334][  T405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.363457][  T405]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.363584][  T405]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.363706][  T405]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.363831][  T405]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.363967][  T405]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.364093][  T405]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.364220][  T405]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.364352][  T405]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.364482][  T405]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.364610][  T405]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.364737][  T405]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.364862][  T405]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.365018][  T405]  ? move_addr_to_kernel (net/socket.c:258)
[   14.365143][  T405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.365266][  T405]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.365394][  T405]  ___sys_sendmsg (net/socket.c:2752)
[   14.365516][  T405]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.365668][  T405]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.365803][  T405]  __sys_sendmsg (net/socket.c:2784)
[   14.365929][  T405]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.366052][  T405]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.366206][  T405]  ? 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)
[   14.366332][  T405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.366455][  T405]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.366578][  T405]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.366701][  T405]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.366827][  T405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.366986][  T405] RIP: 0033:0x7fbb3582108e
[   14.367114][  T405] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.367551][  T405] RSP: 002b:00007ffc1ec83a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.367734][  T405] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbb3582108e
[   14.367923][  T405] RDX: 0000000000000000 RSI: 00007ffc1ec83b30 RDI: 0000000000000005
[   14.368104][  T405] RBP: 00007ffc1ec83a90 R08: 0000000000000000 R09: 0000000000000000
[   14.368289][  T405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   14.368471][  T405] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1ec84200
| [   14.415217][  T406] ------------[ cut here ]------------
| [   14.415422][  T406] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/406
| [   14.415707][  T406] Modules linked in: ip_gre gre
| [   14.416919][  T406] Tainted: [W]=WARN
[   14.417068][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.417284][  T406] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.417519][  T406] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.418068][  T406] RSP: 0018:ffa0000000fdef10 EFLAGS: 00010286
[   14.418295][  T406] RAX: 00000000ffffffa6 RBX: ff1100000c990ac0 RCX: 1ff40000001fbda8
[   14.418546][  T406] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c990b7c
[   14.418795][  T406] RBP: ff11000008869000 R08: 1fe2200001932171 R09: ff11000009898b80
[   14.419058][  T406] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   14.419317][  T406] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   14.419570][  T406] FS:  00007fae7e99a840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   14.419859][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.420090][  T406] CR2: 000000000042f320 CR3: 000000001041e001 CR4: 0000000000771ef0
[   14.420352][  T406] PKRU: 55555554
[   14.420503][  T406] Call Trace:
[   14.420653][  T406]  <TASK>
[   14.420771][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.420968][  T406]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.421154][  T406]  notifier_call_chain (kernel/notifier.c:85)
[   14.421351][  T406]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   14.421542][  T406]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   14.421728][  T406]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   14.421959][  T406]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   14.422184][  T406]  netif_set_mtu (net/core/dev.c:9910)
[   14.422378][  T406]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   14.422563][  T406]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   14.422753][  T406]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.422952][  T406]  dev_set_mtu (net/core/dev_api.c:249)
[   14.423105][  T406]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   14.423298][  T406]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   14.423482][  T406]  ? ipgre_get_size (net/ipv4/ip_gre.c:1553) ip_gre
[   14.423670][  T406]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   14.423901][  T406] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   14.424087][  T406]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   14.424317][  T406]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.424505][  T406]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.424691][  T406]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.424875][  T406]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.425074][  T406]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.425265][  T406]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.425465][  T406]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.425653][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.425835][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.426033][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.426218][  T406]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.426413][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.426603][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.426787][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.426984][  T406]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.427170][  T406]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.427360][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.427543][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.427729][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.427926][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.428113][  T406]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.428305][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.428492][  T406]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.428681][  T406]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.428864][  T406]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.429064][  T406]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.429252][  T406]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.429441][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.429627][  T406]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.429813][  T406]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.430007][  T406]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.430198][  T406]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.430392][  T406]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.430576][  T406]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.430793][  T406]  ? move_addr_to_kernel (net/socket.c:258)
[   14.430995][  T406]  ___sys_sendmsg (net/socket.c:2752)
[   14.431179][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.431370][  T406]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.431563][  T406]  ? 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))
[   14.431751][  T406]  __sys_sendmsg (net/socket.c:2784)
[   14.431949][  T406]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.432138][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.432330][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.432517][  T406]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.432702][  T406]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.432898][  T406]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.433084][  T406]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.433308][  T406] RIP: 0033:0x7fae7ebd408e
[   14.433498][  T406] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.434039][  T406] RSP: 002b:00007fffedb1ac20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.434297][  T406] RAX: ffffffffffffffda RBX: 00007fffedb1b3d0 RCX: 00007fae7ebd408e
[   14.434548][  T406] RDX: 0000000000000000 RSI: 00007fffedb1acd0 RDI: 0000000000000005
[   14.434799][  T406] RBP: 00007fffedb1ac30 R08: 0000000000000000 R09: 0000000000000000
[   14.435065][  T406] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   14.435321][  T406] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffedb1b390
| [   14.437807][  T406] ------------[ cut here ]------------
| [   14.437995][  T406] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/406
| [   14.438274][  T406] Modules linked in: ip_gre gre
| [   14.438778][  T406] Tainted: [W]=WARN
[   14.438935][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.439145][  T406] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.439368][  T406] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.439880][  T406] RSP: 0018:ffa0000000fdf1b0 EFLAGS: 00010286
[   14.440106][  T406] RAX: 00000000ffffffa6 RBX: ff1100000c9911c0 RCX: 1ff40000001fbdfc
[   14.440353][  T406] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c99127c
[   14.440595][  T406] RBP: ff11000008869000 R08: 1fe2200001932251 R09: ff11000009898b80
[   14.440836][  T406] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.441093][  T406] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f7060
[   14.441343][  T406] FS:  00007fae7e99a840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   14.441617][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.441825][  T406] CR2: 000000000042f320 CR3: 000000001041e001 CR4: 0000000000771ef0
[   14.442084][  T406] PKRU: 55555554
[   14.442229][  T406] Call Trace:
[   14.442382][  T406]  <TASK>
[   14.442498][  T406]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.442679][  T406]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.442826][  T406]  __dev_notify_flags (net/core/dev.c:9787)
[   14.443019][  T406]  ? netif_change_name (net/core/dev.c:1495)
[   14.443199][  T406]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   14.443423][  T406]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.443604][  T406]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.443784][  T406]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.443975][  T406]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.444153][  T406]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.444341][  T406]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.444526][  T406]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.444708][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.444965][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.445148][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.445335][  T406]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.445514][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.445696][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.445877][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.446071][  T406]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.446253][  T406]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.446435][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.446613][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.446793][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.446986][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.447168][  T406]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.447353][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.447533][  T406]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.447719][  T406]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.447907][  T406]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.448089][  T406]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.448269][  T406]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.448454][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.448634][  T406]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.448815][  T406]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.449011][  T406]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.449191][  T406]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.449378][  T406]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.449559][  T406]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.449770][  T406]  ? move_addr_to_kernel (net/socket.c:258)
[   14.449967][  T406]  ___sys_sendmsg (net/socket.c:2752)
[   14.450144][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.450333][  T406]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.450520][  T406]  ? 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))
[   14.450701][  T406]  __sys_sendmsg (net/socket.c:2784)
[   14.450895][  T406]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.451077][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.451253][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.451435][  T406]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.451613][  T406]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.451792][  T406]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.451984][  T406]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.452194][  T406] RIP: 0033:0x7fae7ebd408e
[   14.452386][  T406] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.452908][  T406] RSP: 002b:00007fffedb1ac20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.453152][  T406] RAX: ffffffffffffffda RBX: 00007fffedb1b3d0 RCX: 00007fae7ebd408e
[   14.453399][  T406] RDX: 0000000000000000 RSI: 00007fffedb1acd0 RDI: 0000000000000005
[   14.453640][  T406] RBP: 00007fffedb1ac30 R08: 0000000000000000 R09: 0000000000000000
[   14.453897][  T406] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   14.454138][  T406] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffedb1b390
| [   14.513436][  T408] ------------[ cut here ]------------
| [   14.513597][  T408] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/408
| [   14.513825][  T408] Modules linked in: ip_gre gre
| [   14.514726][  T408] Tainted: [W]=WARN
[   14.514825][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.514992][  T408] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.515159][  T408] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.515621][  T408] RSP: 0018:ffa0000000fef020 EFLAGS: 00010286
[   14.515787][  T408] RAX: 00000000ffffffa6 RBX: ff110000097c3000 RCX: 1ff40000001fddca
[   14.515988][  T408] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c30bc
[   14.516179][  T408] RBP: ff11000008869000 R08: 1fe22000012f8619 R09: ff1100000989d158
[   14.516373][  T408] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   14.516565][  T408] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.516758][  T408] FS:  00007fab0818a840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   14.516990][  T408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.517150][  T408] CR2: 0000000021255988 CR3: 0000000009924006 CR4: 0000000000771ef0
[   14.517352][  T408] PKRU: 55555554
[   14.517449][  T408] Call Trace:
[   14.517545][  T408]  <TASK>
[   14.517611][  T408]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.517742][  T408]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.517840][  T408]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.517976][  T408]  __dev_notify_flags (net/core/dev.c:9787)
[   14.518107][  T408]  ? netif_change_name (net/core/dev.c:1495)
[   14.518256][  T408]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.518391][  T408]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.518519][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.518649][  T408]  ? 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))
[   14.518779][  T408]  netif_change_flags (net/core/dev.c:9820)
[   14.518915][  T408]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.519046][  T408]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.519177][  T408]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.519313][  T408]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.519474][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.519602][  T408]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.519732][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.519860][  T408]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.519994][  T408]  ? __kernel_text_address (kernel/extable.c:79)
[   14.520125][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.520255][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.520390][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.520520][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.520648][  T408]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.520775][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.520909][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.521040][  T408]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.521171][  T408]  ? __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)
[   14.521305][  T408]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.521435][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.521565][  T408]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.521696][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.521829][  T408]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.521963][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.522093][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.522222][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.522357][  T408]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.522484][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.522616][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.522745][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.522873][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.523008][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.523140][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.523269][  T408]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.523404][  T408]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.523532][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.523659][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.523790][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.523924][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.524054][  T408]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.524184][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.524319][  T408]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.524451][  T408]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.524580][  T408]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.524710][  T408]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.524838][  T408]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.524974][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.525105][  T408]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.525235][  T408]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.525369][  T408]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.525499][  T408]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.525627][  T408]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.525757][  T408]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.525922][  T408]  ? move_addr_to_kernel (net/socket.c:258)
[   14.526053][  T408]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.526182][  T408]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.526318][  T408]  ___sys_sendmsg (net/socket.c:2752)
[   14.526446][  T408]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.526604][  T408]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.526745][  T408]  __sys_sendmsg (net/socket.c:2784)
[   14.526875][  T408]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.527009][  T408]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.527174][  T408]  ? 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)
[   14.527306][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.527437][  T408]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.527565][  T408]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.527694][  T408]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.527824][  T408]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.527989][  T408] RIP: 0033:0x7fab083c408e
[   14.528126][  T408] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.528590][  T408] RSP: 002b:00007ffe94ed5e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.528785][  T408] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fab083c408e
[   14.528985][  T408] RDX: 0000000000000000 RSI: 00007ffe94ed5ed0 RDI: 0000000000000005
[   14.529176][  T408] RBP: 00007ffe94ed5e30 R08: 0000000000000000 R09: 0000000000000000
[   14.529373][  T408] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   14.529565][  T408] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe94ed65a0
| [   14.646963][  T416] ------------[ cut here ]------------
| [   14.647154][  T416] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/416
| [   14.647434][  T416] Modules linked in: ip_gre gre
| [   14.648533][  T416] Tainted: [W]=WARN
[   14.648751][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.649054][  T416] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.649261][  T416] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.649764][  T416] RSP: 0018:ffa0000000e3f020 EFLAGS: 00010286
[   14.649986][  T416] RAX: 00000000ffffffa6 RBX: ff1100000d2fc740 RCX: 1ff40000001c7dca
[   14.650225][  T416] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2fc7fc
[   14.650469][  T416] RBP: ff11000008869000 R08: 1fe2200001a5f901 R09: ff11000009c22e58
[   14.650703][  T416] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   14.650959][  T416] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.651196][  T416] FS:  00007f810644a840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   14.651472][  T416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.651677][  T416] CR2: 000000003e056988 CR3: 000000000f330004 CR4: 0000000000771ef0
[   14.651924][  T416] PKRU: 55555554
[   14.652065][  T416] Call Trace:
[   14.652207][  T416]  <TASK>
[   14.652327][  T416]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.652506][  T416]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.652649][  T416]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.652825][  T416]  __dev_notify_flags (net/core/dev.c:9787)
[   14.653121][  T416]  ? netif_change_name (net/core/dev.c:1495)
[   14.653352][  T416]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   14.653582][  T416]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.653826][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.654075][  T416]  ? 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))
[   14.654395][  T416]  netif_change_flags (net/core/dev.c:9820)
[   14.654638][  T416]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.654923][  T416]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.655122][  T416]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.655301][  T416]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.655506][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.655679][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.655851][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.656039][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.656212][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   14.656394][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.656569][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.656742][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.656928][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.657103][  T416]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.657278][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.657459][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.657635][  T416]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.657809][  T416]  ? __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)
[   14.657996][  T416]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.658172][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.658354][  T416]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.658534][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.658713][  T416]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.658902][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.659075][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.659248][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.659430][  T416]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.659605][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.659781][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.659965][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.660141][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.660321][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.660496][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.660669][  T416]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.660843][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.661028][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.661200][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.661384][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.661556][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.661731][  T416]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.661918][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.662092][  T416]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.662269][  T416]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.662449][  T416]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.662628][  T416]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.662803][  T416]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.662990][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.663165][  T416]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.663350][  T416]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.663524][  T416]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.663702][  T416]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.663877][  T416]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.664066][  T416]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.664267][  T416]  ? move_addr_to_kernel (net/socket.c:258)
[   14.664449][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.664623][  T416]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.664798][  T416]  ___sys_sendmsg (net/socket.c:2752)
[   14.664984][  T416]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.665189][  T416]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.665383][  T416]  __sys_sendmsg (net/socket.c:2784)
[   14.665561][  T416]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.665734][  T416]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.665954][  T416]  ? 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)
[   14.666128][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.666310][  T416]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.666484][  T416]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.666660][  T416]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.666835][  T416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.667052][  T416] RIP: 0033:0x7f810668408e
[   14.667233][  T416] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.667737][  T416] RSP: 002b:00007ffe1434d4b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.667991][  T416] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f810668408e
[   14.668226][  T416] RDX: 0000000000000000 RSI: 00007ffe1434d560 RDI: 0000000000000005
[   14.668470][  T416] RBP: 00007ffe1434d4c0 R08: 0000000000000000 R09: 0000000000000000
[   14.668705][  T416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec13
[   14.668954][  T416] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1434dc30
| [   14.731691][  T418] ------------[ cut here ]------------
| [   14.731835][  T418] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/418
| [   14.732374][  T418] Modules linked in: ip_gre gre
| [   14.732771][  T418] Tainted: [W]=WARN
[   14.732867][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.733035][  T418] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.733200][  T418] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.733655][  T418] RSP: 0018:ffa000000106f020 EFLAGS: 00010286
[   14.733820][  T418] RAX: 00000000ffffffa6 RBX: ff1100000d15f8c0 RCX: 1ff400000020ddca
[   14.734015][  T418] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15f97c
[   14.734205][  T418] RBP: ff11000008869000 R08: 1fe2200001a2bf31 R09: ff11000009670b58
[   14.734398][  T418] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   14.734587][  T418] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.734777][  T418] FS:  00007ff220774840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   14.735006][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.735167][  T418] CR2: 0000000007b23988 CR3: 000000000f679006 CR4: 0000000000771ef0
[   14.735364][  T418] PKRU: 55555554
[   14.735461][  T418] Call Trace:
[   14.735556][  T418]  <TASK>
[   14.735623][  T418]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.735754][  T418]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.735852][  T418]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.735984][  T418]  __dev_notify_flags (net/core/dev.c:9787)
[   14.736112][  T418]  ? netif_change_name (net/core/dev.c:1495)
[   14.736240][  T418]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.736373][  T418]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.736501][  T418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.736630][  T418]  ? 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))
[   14.736760][  T418]  netif_change_flags (net/core/dev.c:9820)
[   14.736896][  T418]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.737025][  T418]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.737156][  T418]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.737285][  T418]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.737449][  T418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.737577][  T418]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.737704][  T418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.737832][  T418]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.737966][  T418]  ? __kernel_text_address (kernel/extable.c:79)
[   14.738096][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.738226][  T418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.738359][  T418]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.738489][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.738617][  T418]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.738743][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.738870][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.739005][  T418]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.739134][  T418]  ? __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)
[   14.739264][  T418]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.739395][  T418]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.739524][  T418]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.739655][  T418]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.739787][  T418]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.739922][  T418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.740051][  T418]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.740179][  T418]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.740312][  T418]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.740440][  T418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.740571][  T418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.740699][  T418]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.740827][  T418]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.740961][  T418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.741089][  T418]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.741217][  T418]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.741349][  T418]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.741476][  T418]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.741602][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.741733][  T418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.741860][  T418]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.741995][  T418]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.742123][  T418]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.742251][  T418]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.742387][  T418]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.742514][  T418]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.742644][  T418]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.742774][  T418]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.742911][  T418]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.743039][  T418]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.743170][  T418]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.743304][  T418]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.743435][  T418]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.743563][  T418]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.743691][  T418]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.743851][  T418]  ? move_addr_to_kernel (net/socket.c:258)
[   14.743986][  T418]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.744115][  T418]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.744245][  T418]  ___sys_sendmsg (net/socket.c:2752)
[   14.744376][  T418]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.744535][  T418]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.744675][  T418]  __sys_sendmsg (net/socket.c:2784)
[   14.744804][  T418]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.744938][  T418]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.745100][  T418]  ? 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)
[   14.745228][  T418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.745363][  T418]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.745490][  T418]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.745619][  T418]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.745746][  T418]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.745911][  T418] RIP: 0033:0x7ff2209ae08e
[   14.746044][  T418] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.746504][  T418] RSP: 002b:00007ffc03a93190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.746697][  T418] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff2209ae08e
[   14.746893][  T418] RDX: 0000000000000000 RSI: 00007ffc03a93240 RDI: 0000000000000005
[   14.747085][  T418] RBP: 00007ffc03a931a0 R08: 0000000000000000 R09: 0000000000000000
[   14.747276][  T418] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   14.747473][  T418] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc03a93910
| [   14.893457][  T427] ------------[ cut here ]------------
| [   14.893654][  T427] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/427
| [   14.893936][  T427] Modules linked in: ip_gre gre
| [   14.894429][  T427] Tainted: [W]=WARN
[   14.894570][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.894776][  T427] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.895000][  T427] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.895507][  T427] RSP: 0018:ffa00000010bf060 EFLAGS: 00010286
[   14.895714][  T427] RAX: 00000000ffffffa6 RBX: ff1100000d3683c0 RCX: 1ff4000000217dd2
[   14.895962][  T427] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d36847c
[   14.896200][  T427] RBP: ff11000008869000 R08: 1fe2200001a6d091 R09: ff1100000f065158
[   14.896445][  T427] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   14.896682][  T427] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000010bf0f8
[   14.896933][  T427] FS:  00007f72516e0840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   14.897205][  T427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.897418][  T427] CR2: 00007f72519b01a0 CR3: 000000000fe0a006 CR4: 0000000000771ef0
[   14.897658][  T427] PKRU: 55555554
[   14.897800][  T427] Call Trace:
[   14.897955][  T427]  <TASK>
[   14.898069][  T427]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.898248][  T427]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.898401][  T427]  netif_close_many (net/core/dev.c:1804)
[   14.898582][  T427]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.898757][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.898953][  T427]  ? __dev_close_many (net/core/dev.c:1781)
[   14.899129][  T427]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   14.899344][  T427]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   14.899555][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.899732][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.899920][  T427]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.900126][  T427]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.900313][  T427]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.900492][  T427]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.900698][  T427]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.900873][  T427]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   14.901060][  T427]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   14.901238][  T427]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.901425][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.901600][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.901776][  T427]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.901964][  T427]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.902141][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.902341][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.902515][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.902692][  T427]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.902866][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.903069][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.903254][  T427]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   14.903437][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.903611][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.903788][  T427]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.903977][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.904155][  T427]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.904337][  T427]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.904515][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.904691][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.904869][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.905059][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.905234][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.905420][  T427]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.905597][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.905777][  T427]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.905974][  T427]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.906153][  T427]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.906347][  T427]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.906528][  T427]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.906705][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.906880][  T427]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.907070][  T427]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.907247][  T427]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.907434][  T427]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.907612][  T427]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.907786][  T427]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.908000][  T427]  ? move_addr_to_kernel (net/socket.c:258)
[   14.908177][  T427]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.908360][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.908538][  T427]  ___sys_sendmsg (net/socket.c:2752)
[   14.908712][  T427]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.908932][  T427]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.909120][  T427]  __sys_sendmsg (net/socket.c:2784)
[   14.909301][  T427]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.909475][  T427]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.909684][  T427]  ? 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)
[   14.909860][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.910049][  T427]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.910227][  T427]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.910408][  T427]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.910584][  T427]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.910788][  T427] RIP: 0033:0x7f725191a08e
[   14.910981][  T427] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.911487][  T427] RSP: 002b:00007ffe8fb8cec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.911725][  T427] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f725191a08e
[   14.911974][  T427] RDX: 0000000000000000 RSI: 00007ffe8fb8cf70 RDI: 0000000000000005
[   14.912209][  T427] RBP: 00007ffe8fb8ced0 R08: 0000000000000000 R09: 0000000000000000
[   14.912455][  T427] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   14.912690][  T427] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8fb8d640
| [   14.915774][  T427] ------------[ cut here ]------------
| [   14.916476][  T427] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/427
| [   14.916732][  T427] Modules linked in: ip_gre gre
| [   14.917210][  T427] Tainted: [W]=WARN
[   14.917359][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.917556][  T427] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.917760][  T427] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.918248][  T427] RSP: 0018:ffa00000010bf190 EFLAGS: 00010286
[   14.918458][  T427] RAX: 00000000ffffffa6 RBX: ff1100000d369700 RCX: 1ff4000000217df8
[   14.918683][  T427] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3697bc
[   14.918919][  T427] RBP: ff11000008869000 R08: 1fe2200001a6d2f9 R09: ff1100000f065158
[   14.919144][  T427] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.919380][  T427] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.919608][  T427] FS:  00007f72516e0840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   14.919866][  T427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.920077][  T427] CR2: 00007f72519b01a0 CR3: 000000000fe0a006 CR4: 0000000000771ef0
[   14.920311][  T427] PKRU: 55555554
[   14.920451][  T427] Call Trace:
[   14.920588][  T427]  <TASK>
[   14.920696][  T427]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.920912][  T427]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.921109][  T427]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.921278][  T427]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.921456][  T427]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.921654][  T427]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.921827][  T427]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   14.922010][  T427]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.922178][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.922355][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.922526][  T427]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.922694][  T427]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.922859][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.923059][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.923229][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.923407][  T427]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.923578][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.923746][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.923929][  T427]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   14.924100][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.924267][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.924446][  T427]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.924615][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.924784][  T427]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.924965][  T427]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.925134][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.925308][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.925475][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.925644][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.925812][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.925994][  T427]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.926161][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.926335][  T427]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.926507][  T427]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.926673][  T427]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.926843][  T427]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.927029][  T427]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.927197][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.927373][  T427]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.927544][  T427]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.927713][  T427]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.927895][  T427]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.928064][  T427]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.928232][  T427]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.928438][  T427]  ? move_addr_to_kernel (net/socket.c:258)
[   14.928609][  T427]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.928778][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.928961][  T427]  ___sys_sendmsg (net/socket.c:2752)
[   14.929127][  T427]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.929332][  T427]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.929515][  T427]  __sys_sendmsg (net/socket.c:2784)
[   14.929683][  T427]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.929849][  T427]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.930056][  T427]  ? 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)
[   14.930224][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.930395][  T427]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.930562][  T427]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.930728][  T427]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.930912][  T427]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.931108][  T427] RIP: 0033:0x7f725191a08e
[   14.931283][  T427] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.931760][  T427] RSP: 002b:00007ffe8fb8cec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.932005][  T427] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f725191a08e
[   14.932229][  T427] RDX: 0000000000000000 RSI: 00007ffe8fb8cf70 RDI: 0000000000000005
[   14.932462][  T427] RBP: 00007ffe8fb8ced0 R08: 0000000000000000 R09: 0000000000000000
[   14.932688][  T427] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   14.932930][  T427] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8fb8d640
| [   14.973503][  T428] ------------[ cut here ]------------
| [   14.973655][  T428] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/428
| [   14.973901][  T428] Modules linked in: ip_gre gre
| [   14.974329][  T428] Tainted: [W]=WARN
[   14.974432][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.974604][  T428] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.974779][  T428] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.975267][  T428] RSP: 0018:ffa00000010bef10 EFLAGS: 00010286
[   14.975444][  T428] RAX: 00000000ffffffa6 RBX: ff110000052eaac0 RCX: 1ff4000000217da8
[   14.975646][  T428] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052eab7c
[   14.975849][  T428] RBP: ff11000010bec000 R08: 1fe2200000a5d571 R09: ff1100000f062e80
[   14.976058][  T428] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   14.976259][  T428] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   14.976470][  T428] FS:  00007f41a1075840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   14.976709][  T428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.976882][  T428] CR2: 00007f41a126e460 CR3: 000000000f15f004 CR4: 0000000000771ef0
[   14.977092][  T428] PKRU: 55555554
[   14.977195][  T428] Call Trace:
[   14.977301][  T428]  <TASK>
[   14.977372][  T428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.977508][  T428]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.977647][  T428]  notifier_call_chain (kernel/notifier.c:85)
[   14.977787][  T428]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   14.977931][  T428]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   14.978069][  T428]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   14.978241][  T428]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   14.978423][  T428]  netif_set_mtu (net/core/dev.c:9910)
[   14.978560][  T428]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   14.978696][  T428]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   14.978837][  T428]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.978981][  T428]  dev_set_mtu (net/core/dev_api.c:249)
[   14.979086][  T428]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   14.979224][  T428]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   14.979366][  T428]  ? ipgre_get_size (net/ipv4/ip_gre.c:1553) ip_gre
[   14.979506][  T428]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   14.979677][  T428] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   14.979814][  T428]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   14.979997][  T428]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.980136][  T428]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.980275][  T428]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.980422][  T428]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.980559][  T428]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.980703][  T428]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.980844][  T428]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.980990][  T428]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.981128][  T428]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.981264][  T428]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.981406][  T428]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.981543][  T428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.981685][  T428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.981823][  T428]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.981967][  T428]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.982105][  T428]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.982243][  T428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.982385][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.982524][  T428]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.982659][  T428]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.982797][  T428]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.982936][  T428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.983074][  T428]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.983216][  T428]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.983359][  T428]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.983499][  T428]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.983637][  T428]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.983776][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.983921][  T428]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.984061][  T428]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.984202][  T428]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.984348][  T428]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.984487][  T428]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.984625][  T428]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.984795][  T428]  ? move_addr_to_kernel (net/socket.c:258)
[   14.984941][  T428]  ___sys_sendmsg (net/socket.c:2752)
[   14.985077][  T428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.985215][  T428]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.985368][  T428]  ? 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))
[   14.985509][  T428]  __sys_sendmsg (net/socket.c:2784)
[   14.985647][  T428]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.985790][  T428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.985933][  T428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.986072][  T428]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.986209][  T428]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.986355][  T428]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.986493][  T428]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.986665][  T428] RIP: 0033:0x7f41a12af08e
[   14.986807][  T428] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.987307][  T428] RSP: 002b:00007fffd4635730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.987515][  T428] RAX: ffffffffffffffda RBX: 00007fffd4635ee0 RCX: 00007f41a12af08e
[   14.987718][  T428] RDX: 0000000000000000 RSI: 00007fffd46357e0 RDI: 0000000000000005
[   14.987928][  T428] RBP: 00007fffd4635740 R08: 0000000000000000 R09: 0000000000000000
[   14.988134][  T428] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   14.988346][  T428] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd4635ea0
| [   14.990427][  T428] ------------[ cut here ]------------
| [   14.990556][  T428] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/428
| [   14.990779][  T428] Modules linked in: ip_gre gre
| [   14.991182][  T428] Tainted: [W]=WARN
[   14.991280][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.991448][  T428] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.991617][  T428] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.992082][  T428] RSP: 0018:ffa00000010bf1b0 EFLAGS: 00010286
[   14.992246][  T428] RAX: 00000000ffffffa6 RBX: ff110000052ebc40 RCX: 1ff4000000217dfc
[   14.992447][  T428] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052ebcfc
[   14.992642][  T428] RBP: ff11000010bec000 R08: 1fe2200000a5d7a1 R09: ff1100000f062e80
[   14.992836][  T428] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.993037][  T428] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f7060
[   14.993235][  T428] FS:  00007f41a1075840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   14.993468][  T428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.993634][  T428] CR2: 00007f41a126e460 CR3: 000000000f15f004 CR4: 0000000000771ef0
[   14.993830][  T428] PKRU: 55555554
[   14.993931][  T428] Call Trace:
[   14.994028][  T428]  <TASK>
[   14.994098][  T428]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.994232][  T428]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.994338][  T428]  __dev_notify_flags (net/core/dev.c:9787)
[   14.994471][  T428]  ? netif_change_name (net/core/dev.c:1495)
[   14.994605][  T428]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   14.994772][  T428]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.994912][  T428]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.995046][  T428]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.995178][  T428]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.995314][  T428]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.995451][  T428]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.995587][  T428]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.995719][  T428]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.995850][  T428]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.995986][  T428]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.996119][  T428]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.996249][  T428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.996390][  T428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.996521][  T428]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.996653][  T428]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.996784][  T428]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.996921][  T428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.997054][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.997187][  T428]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.997323][  T428]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.997455][  T428]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.997586][  T428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.997720][  T428]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.997854][  T428]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.997992][  T428]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.998126][  T428]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.998258][  T428]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.998397][  T428]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.998530][  T428]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.998664][  T428]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.998798][  T428]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.998941][  T428]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.999074][  T428]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.999206][  T428]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.999372][  T428]  ? move_addr_to_kernel (net/socket.c:258)
[   14.999507][  T428]  ___sys_sendmsg (net/socket.c:2752)
[   14.999637][  T428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.999768][  T428]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.999915][  T428]  ? 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))
[   15.000051][  T428]  __sys_sendmsg (net/socket.c:2784)
[   15.000181][  T428]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.000321][  T428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.000452][  T428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.000585][  T428]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.000716][  T428]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.000847][  T428]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.000986][  T428]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.001149][  T428] RIP: 0033:0x7f41a12af08e
[   15.001285][  T428] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.001753][  T428] RSP: 002b:00007fffd4635730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.001955][  T428] RAX: ffffffffffffffda RBX: 00007fffd4635ee0 RCX: 00007f41a12af08e
[   15.002152][  T428] RDX: 0000000000000000 RSI: 00007fffd46357e0 RDI: 0000000000000005
[   15.002352][  T428] RBP: 00007fffd4635740 R08: 0000000000000000 R09: 0000000000000000
[   15.002546][  T428] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   15.002741][  T428] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd4635ea0
| [   15.065995][  T430] ------------[ cut here ]------------
| [   15.066142][  T430] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/430
| [   15.066370][  T430] Modules linked in: ip_gre gre
| [   15.066769][  T430] Tainted: [W]=WARN
[   15.066867][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.067034][  T430] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.067202][  T430] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.067664][  T430] RSP: 0018:ffa00000010df020 EFLAGS: 00010286
[   15.067826][  T430] RAX: 00000000ffffffa6 RBX: ff110000052ea040 RCX: 1ff400000021bdca
[   15.068025][  T430] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052ea0fc
[   15.068218][  T430] RBP: ff11000010bec000 R08: 1fe2200000a5d421 R09: ff1100000f0fd158
[   15.068426][  T430] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   15.068620][  T430] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.068817][  T430] FS:  00007fb2d1fde840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   15.069050][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.069215][  T430] CR2: 000000000bceb988 CR3: 00000000099cb003 CR4: 0000000000771ef0
[   15.069415][  T430] PKRU: 55555554
[   15.069512][  T430] Call Trace:
[   15.069610][  T430]  <TASK>
[   15.069679][  T430]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.069811][  T430]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.069916][  T430]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.070046][  T430]  __dev_notify_flags (net/core/dev.c:9787)
[   15.070178][  T430]  ? netif_change_name (net/core/dev.c:1495)
[   15.070313][  T430]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.070444][  T430]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.070575][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.070706][  T430]  ? 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))
[   15.070839][  T430]  netif_change_flags (net/core/dev.c:9820)
[   15.070977][  T430]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.071109][  T430]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.071242][  T430]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.071379][  T430]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.071542][  T430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.071671][  T430]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.071801][  T430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.071934][  T430]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.072066][  T430]  ? __kernel_text_address (kernel/extable.c:79)
[   15.072200][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.072338][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.072469][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.072601][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.072731][  T430]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.072860][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.072995][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.073125][  T430]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.073257][  T430]  ? __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)
[   15.073394][  T430]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.073525][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.073658][  T430]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.073791][  T430]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.073930][  T430]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.074063][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.074193][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.074327][  T430]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.074458][  T430]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.074587][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.074720][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.074850][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.074985][  T430]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.075116][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.075246][  T430]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.075382][  T430]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.075511][  T430]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.075640][  T430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.075769][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.075902][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.076030][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.076160][  T430]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.076292][  T430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.076422][  T430]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.076556][  T430]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.076685][  T430]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.076819][  T430]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.076955][  T430]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.077085][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.077214][  T430]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.077352][  T430]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.077483][  T430]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.077614][  T430]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.077743][  T430]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.077873][  T430]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.078040][  T430]  ? move_addr_to_kernel (net/socket.c:258)
[   15.078170][  T430]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.078304][  T430]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.078437][  T430]  ___sys_sendmsg (net/socket.c:2752)
[   15.078564][  T430]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.078723][  T430]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.078865][  T430]  __sys_sendmsg (net/socket.c:2784)
[   15.079001][  T430]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.079130][  T430]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.079298][  T430]  ? 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)
[   15.079431][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.079562][  T430]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.079691][  T430]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.079820][  T430]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.079956][  T430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.080117][  T430] RIP: 0033:0x7fb2d221808e
[   15.080252][  T430] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.080719][  T430] RSP: 002b:00007ffdbe2c09f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.080920][  T430] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb2d221808e
[   15.081114][  T430] RDX: 0000000000000000 RSI: 00007ffdbe2c0aa0 RDI: 0000000000000005
[   15.081313][  T430] RBP: 00007ffdbe2c0a00 R08: 0000000000000000 R09: 0000000000000000
[   15.081506][  T430] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   15.081700][  T430] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbe2c1170
| [   15.183556][  T438] ------------[ cut here ]------------
| [   15.183737][  T438] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/438
| [   15.184020][  T438] Modules linked in: ip_gre gre
| [   15.184510][  T438] Tainted: [W]=WARN
[   15.184651][  T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.184855][  T438] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.185077][  T438] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.185582][  T438] RSP: 0018:ffa000000113f020 EFLAGS: 00010286
[   15.185788][  T438] RAX: 00000000ffffffa6 RBX: ff1100000f705e00 RCX: 1ff4000000227dca
[   15.186036][  T438] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f705ebc
[   15.186273][  T438] RBP: ff11000010bec000 R08: 1fe2200001ee0bd9 R09: ff1100000f3a8b58
[   15.186516][  T438] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   15.186750][  T438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.186999][  T438] FS:  00007f67a63ef840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   15.187266][  T438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.187478][  T438] CR2: 000000000f93f988 CR3: 000000000ffdf005 CR4: 0000000000771ef0
[   15.187715][  T438] PKRU: 55555554
[   15.187857][  T438] Call Trace:
[   15.188011][  T438]  <TASK>
[   15.188123][  T438]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.188305][  T438]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.188450][  T438]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.188624][  T438]  __dev_notify_flags (net/core/dev.c:9787)
[   15.188801][  T438]  ? netif_change_name (net/core/dev.c:1495)
[   15.188986][  T438]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   15.189160][  T438]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.189335][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.189510][  T438]  ? 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))
[   15.189686][  T438]  netif_change_flags (net/core/dev.c:9820)
[   15.189863][  T438]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.190049][  T438]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.190225][  T438]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.190408][  T438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.190613][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.190786][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.190973][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.191147][  T438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.191328][  T438]  ? __kernel_text_address (kernel/extable.c:79)
[   15.191504][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.191681][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.191853][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.192037][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.192211][  T438]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.192391][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.192566][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.192740][  T438]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.192930][  T438]  ? __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)
[   15.193107][  T438]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.193281][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.193465][  T438]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.193641][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.193815][  T438]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.193998][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.194169][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.194352][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.194527][  T438]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.194701][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.194878][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.195061][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.195234][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.195415][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.195591][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.195764][  T438]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.195950][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.196123][  T438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.196301][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.196478][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.196653][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.196828][  T438]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.197016][  T438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.197192][  T438]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.197379][  T438]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.197555][  T438]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.197734][  T438]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.197920][  T438]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.198094][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.198269][  T438]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.198453][  T438]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.198627][  T438]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.198803][  T438]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.198990][  T438]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.199165][  T438]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.199375][  T438]  ? move_addr_to_kernel (net/socket.c:258)
[   15.199550][  T438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.199724][  T438]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.199910][  T438]  ___sys_sendmsg (net/socket.c:2752)
[   15.200084][  T438]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.200288][  T438]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.200485][  T438]  __sys_sendmsg (net/socket.c:2784)
[   15.200662][  T438]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.200835][  T438]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.201055][  T438]  ? 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)
[   15.201231][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.201418][  T438]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.201593][  T438]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.201766][  T438]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.201954][  T438]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.202159][  T438] RIP: 0033:0x7f67a662908e
[   15.202349][  T438] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.202849][  T438] RSP: 002b:00007ffe89e739b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.203100][  T438] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f67a662908e
[   15.203347][  T438] RDX: 0000000000000000 RSI: 00007ffe89e73a60 RDI: 0000000000000005
[   15.203582][  T438] RBP: 00007ffe89e739c0 R08: 0000000000000000 R09: 0000000000000000
[   15.203818][  T438] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   15.204063][  T438] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe89e74130
| [   15.268208][  T440] ------------[ cut here ]------------
| [   15.268362][  T440] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/440
| [   15.268583][  T440] Modules linked in: ip_gre gre
| [   15.269043][  T440] Tainted: [W]=WARN
[   15.269139][  T440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.269297][  T440] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.269460][  T440] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.269995][  T440] RSP: 0018:ffa000000114f020 EFLAGS: 00010286
[   15.270152][  T440] RAX: 00000000ffffffa6 RBX: ff1100000c109000 RCX: 1ff4000000229dca
[   15.270344][  T440] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1090bc
[   15.270613][  T440] RBP: ff11000010bec000 R08: 1fe2200001821219 R09: ff11000010750b58
[   15.270800][  T440] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.271058][  T440] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.271247][  T440] FS:  00007fa47c7aa840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   15.271472][  T440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.271629][  T440] CR2: 0000000012e7b988 CR3: 000000000ce63004 CR4: 0000000000771ef0
[   15.271818][  T440] PKRU: 55555554
[   15.272004][  T440] Call Trace:
[   15.272098][  T440]  <TASK>
[   15.272164][  T440]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.272298][  T440]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.272396][  T440]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.272521][  T440]  __dev_notify_flags (net/core/dev.c:9787)
[   15.272648][  T440]  ? netif_change_name (net/core/dev.c:1495)
[   15.272772][  T440]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.272981][  T440]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.273107][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.273233][  T440]  ? 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))
[   15.273364][  T440]  netif_change_flags (net/core/dev.c:9820)
[   15.273490][  T440]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.273616][  T440]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.273744][  T440]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.273870][  T440]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.274098][  T440]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.274222][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.274353][  T440]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.274479][  T440]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.274604][  T440]  ? __kernel_text_address (kernel/extable.c:79)
[   15.274730][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.274858][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.275036][  T440]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.275164][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.275293][  T440]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.275420][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.275545][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.275671][  T440]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.275796][  T440]  ? __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)
[   15.275975][  T440]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.276100][  T440]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.276227][  T440]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.276360][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.276490][  T440]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.276618][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.276741][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.276865][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.277041][  T440]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.277165][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.277296][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.277420][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.277545][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.277670][  T440]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.277796][  T440]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.277971][  T440]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.278097][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.278222][  T440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.278351][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.278479][  T440]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.278603][  T440]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.278728][  T440]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.278853][  T440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.278984][  T440]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.279113][  T440]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.279237][  T440]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.279367][  T440]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.279493][  T440]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.279618][  T440]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.279745][  T440]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.279872][  T440]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.280004][  T440]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.280132][  T440]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.280257][  T440]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.280389][  T440]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.280544][  T440]  ? move_addr_to_kernel (net/socket.c:258)
[   15.280670][  T440]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.280796][  T440]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.280929][  T440]  ___sys_sendmsg (net/socket.c:2752)
[   15.281053][  T440]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.281209][  T440]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.281352][  T440]  __sys_sendmsg (net/socket.c:2784)
[   15.281477][  T440]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.281601][  T440]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.281760][  T440]  ? 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)
[   15.281890][  T440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.282017][  T440]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.282143][  T440]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.282268][  T440]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.282397][  T440]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.282554][  T440] RIP: 0033:0x7fa47c9e408e
[   15.282684][  T440] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.283134][  T440] RSP: 002b:00007ffd3c104f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.283327][  T440] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa47c9e408e
[   15.283514][  T440] RDX: 0000000000000000 RSI: 00007ffd3c104fd0 RDI: 0000000000000005
[   15.283700][  T440] RBP: 00007ffd3c104f30 R08: 0000000000000000 R09: 0000000000000000
[   15.283892][  T440] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   15.284080][  T440] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3c1056a0
| [   15.417582][  T449] ------------[ cut here ]------------
| [   15.417772][  T449] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/449
| [   15.418497][  T449] Modules linked in: ip_gre gre
| [   15.418987][  T449] Tainted: [W]=WARN
[   15.419128][  T449] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.419338][  T449] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.419549][  T449] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.420053][  T449] RSP: 0018:ffa00000011bf060 EFLAGS: 00010286
[   15.420258][  T449] RAX: 00000000ffffffa6 RBX: ff1100000d162c80 RCX: 1ff4000000237dd2
[   15.420494][  T449] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d162d3c
[   15.420727][  T449] RBP: ff11000010bec000 R08: 1fe2200001a2c5a9 R09: ff1100000aa75158
[   15.420973][  T449] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   15.421205][  T449] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000011bf0f8
[   15.421452][  T449] FS:  00007fe52289d840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   15.421720][  T449] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.421936][  T449] CR2: 0000000031a20988 CR3: 0000000010257002 CR4: 0000000000771ef0
[   15.422174][  T449] PKRU: 55555554
[   15.422319][  T449] Call Trace:
[   15.422460][  T449]  <TASK>
[   15.422573][  T449]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.422750][  T449]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.422908][  T449]  netif_close_many (net/core/dev.c:1804)
[   15.423084][  T449]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.423257][  T449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.423436][  T449]  ? __dev_close_many (net/core/dev.c:1781)
[   15.423612][  T449]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.423820][  T449]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.424038][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.424211][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.424393][  T449]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.424611][  T449]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.424787][  T449]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.424973][  T449]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.425180][  T449]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   15.425362][  T449]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.425536][  T449]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   15.425710][  T449]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   15.425899][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.426071][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.426246][  T449]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.426430][  T449]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.426602][  T449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.426793][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.426977][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.427151][  T449]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.427329][  T449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.427503][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.427675][  T449]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   15.427853][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.428035][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.428208][  T449]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.428389][  T449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.428563][  T449]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.428736][  T449]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.428922][  T449]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.429097][  T449]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.429269][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.429451][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.429623][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.429797][  T449]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.429984][  T449]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.430156][  T449]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.430340][  T449]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.430516][  T449]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.430693][  T449]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.430868][  T449]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.431053][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.431228][  T449]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.431412][  T449]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.431586][  T449]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.431765][  T449]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.431953][  T449]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.432126][  T449]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.432335][  T449]  ? move_addr_to_kernel (net/socket.c:258)
[   15.432510][  T449]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.432684][  T449]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.432858][  T449]  ___sys_sendmsg (net/socket.c:2752)
[   15.433045][  T449]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.433249][  T449]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.433441][  T449]  __sys_sendmsg (net/socket.c:2784)
[   15.433618][  T449]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.433789][  T449]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.434021][  T449]  ? 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)
[   15.434195][  T449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.434379][  T449]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.434556][  T449]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.434729][  T449]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.434915][  T449]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.435116][  T449] RIP: 0033:0x7fe522ad708e
[   15.435303][  T449] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.435798][  T449] RSP: 002b:00007fff1af20930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.436048][  T449] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe522ad708e
[   15.436281][  T449] RDX: 0000000000000000 RSI: 00007fff1af209e0 RDI: 0000000000000005
[   15.436523][  T449] RBP: 00007fff1af20940 R08: 0000000000000000 R09: 0000000000000000
[   15.436758][  T449] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   15.437006][  T449] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1af210b0
| [   15.439762][  T449] ------------[ cut here ]------------
| [   15.439941][  T449] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/449
| [   15.440198][  T449] Modules linked in: ip_gre gre
| [   15.440680][  T449] Tainted: [W]=WARN
[   15.440818][  T449] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.441112][  T449] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.441403][  T449] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.442003][  T449] RSP: 0018:ffa00000011bf190 EFLAGS: 00010286
[   15.442272][  T449] RAX: 00000000ffffffa6 RBX: ff1100000ab58200 RCX: 1ff4000000237df8
[   15.442568][  T449] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab582bc
[   15.442876][  T449] RBP: ff11000010bec000 R08: 1fe220000156b059 R09: ff1100000aa75158
[   15.443277][  T449] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.443569][  T449] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.443863][  T449] FS:  00007fe52289d840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   15.444133][  T449] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.444337][  T449] CR2: 0000000031a20988 CR3: 0000000010257002 CR4: 0000000000771ef0
[   15.444568][  T449] PKRU: 55555554
[   15.444704][  T449] Call Trace:
[   15.444840][  T449]  <TASK>
[   15.444962][  T449]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.445165][  T449]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.445368][  T449]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.445538][  T449]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.445705][  T449]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.445922][  T449]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   15.446091][  T449]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   15.446260][  T449]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   15.446436][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.446603][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.446772][  T449]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.446956][  T449]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.447123][  T449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.447318][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.447486][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.447654][  T449]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.447821][  T449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.448003][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.448172][  T449]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   15.448351][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.448520][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.448689][  T449]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.448856][  T449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.449038][  T449]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.449207][  T449]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.449382][  T449]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.449549][  T449]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.449717][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.449916][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.450083][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.450253][  T449]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.450429][  T449]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.450597][  T449]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.450769][  T449]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.450948][  T449]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.451121][  T449]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.451299][  T449]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.451467][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.451635][  T449]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.451805][  T449]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.451986][  T449]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.452235][  T449]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.452416][  T449]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.452588][  T449]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.452784][  T449]  ? move_addr_to_kernel (net/socket.c:258)
[   15.453042][  T449]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.453211][  T449]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.453387][  T449]  ___sys_sendmsg (net/socket.c:2752)
[   15.453555][  T449]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.453834][  T449]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.454032][  T449]  __sys_sendmsg (net/socket.c:2784)
[   15.454198][  T449]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.454450][  T449]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.454652][  T449]  ? 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)
[   15.454820][  T449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.455000][  T449]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.455245][  T449]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.455426][  T449]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.455598][  T449]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.455794][  T449] RIP: 0033:0x7fe522ad708e
[   15.456063][  T449] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.456631][  T449] RSP: 002b:00007fff1af20930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.456860][  T449] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe522ad708e
[   15.457098][  T449] RDX: 0000000000000000 RSI: 00007fff1af209e0 RDI: 0000000000000005
[   15.457413][  T449] RBP: 00007fff1af20940 R08: 0000000000000000 R09: 0000000000000000
[   15.457639][  T449] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   15.457867][  T449] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1af210b0
| [   15.513411][  T450] ------------[ cut here ]------------
| [   15.513568][  T450] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/450
| [   15.513808][  T450] Modules linked in: ip_gre gre
| [   15.514233][  T450] Tainted: [W]=WARN
[   15.514341][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.514514][  T450] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.514695][  T450] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.515990][  T450] RSP: 0018:ffa00000011bef10 EFLAGS: 00010286
[   15.516165][  T450] RAX: 00000000ffffffa6 RBX: ff1100000e175a80 RCX: 1ff4000000237da8
[   15.516373][  T450] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e175b3c
[   15.516577][  T450] RBP: ff1100000280c000 R08: 1fe2200001c2eb69 R09: ff1100000aa72e80
[   15.516781][  T450] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   15.517036][  T450] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   15.517244][  T450] FS:  00007ff158d2a840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   15.517498][  T450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.517671][  T450] CR2: 000000000042f320 CR3: 00000000060a3004 CR4: 0000000000771ef0
[   15.517876][  T450] PKRU: 55555554
[   15.517985][  T450] Call Trace:
[   15.518088][  T450]  <TASK>
[   15.518159][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.518305][  T450]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   15.518444][  T450]  notifier_call_chain (kernel/notifier.c:85)
[   15.518584][  T450]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   15.518724][  T450]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   15.518861][  T450]  ? netconsole_process_cleanups_core (drivers/net/netconsole.c:388)
[   15.519040][  T450]  ? netconsole_netdev_event (drivers/net/netconsole.c:1647)
[   15.519181][  T450]  netif_set_mtu (net/core/dev.c:9910)
[   15.519326][  T450]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   15.519468][  T450]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.519640][  T450]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   15.519779][  T450]  dev_set_mtu (net/core/dev_api.c:249)
[   15.519890][  T450]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   15.520030][  T450]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   15.520168][  T450]  ? ipgre_get_size (net/ipv4/ip_gre.c:1553) ip_gre
[   15.520315][  T450]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   15.520489][  T450] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   15.520628][  T450]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   15.520804][  T450]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.520950][  T450]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.521091][  T450]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.521229][  T450]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.521375][  T450]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.521519][  T450]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.521662][  T450]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.521801][  T450]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.521943][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.522083][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.522220][  T450]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.522363][  T450]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.522505][  T450]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.522643][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.522782][  T450]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.522926][  T450]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.523065][  T450]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.523203][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.523348][  T450]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.523487][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.523625][  T450]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.523762][  T450]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.523904][  T450]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.524047][  T450]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.524184][  T450]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.524330][  T450]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.524469][  T450]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.524608][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.524746][  T450]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.524891][  T450]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.525032][  T450]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.525173][  T450]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.525316][  T450]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.525454][  T450]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.525627][  T450]  ? move_addr_to_kernel (net/socket.c:258)
[   15.525769][  T450]  ___sys_sendmsg (net/socket.c:2752)
[   15.525915][  T450]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.526055][  T450]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.526202][  T450]  ? 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))
[   15.526348][  T450]  __sys_sendmsg (net/socket.c:2784)
[   15.526487][  T450]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.526630][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.526766][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.526911][  T450]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.527049][  T450]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.527186][  T450]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.527329][  T450]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.527500][  T450] RIP: 0033:0x7ff158f6408e
[   15.527644][  T450] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.528143][  T450] RSP: 002b:00007ffcc7fb2af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.528355][  T450] RAX: ffffffffffffffda RBX: 00007ffcc7fb32a0 RCX: 00007ff158f6408e
[   15.528561][  T450] RDX: 0000000000000000 RSI: 00007ffcc7fb2ba0 RDI: 0000000000000005
[   15.528768][  T450] RBP: 00007ffcc7fb2b00 R08: 0000000000000000 R09: 0000000000000000
[   15.528980][  T450] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   15.529188][  T450] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc7fb3260
| [   15.531313][  T450] ------------[ cut here ]------------
| [   15.531444][  T450] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/450
| [   15.531669][  T450] Modules linked in: ip_gre gre
| [   15.532689][  T450] Tainted: [W]=WARN
[   15.532792][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.532964][  T450] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.533134][  T450] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.533609][  T450] RSP: 0018:ffa00000011bf1b0 EFLAGS: 00010286
[   15.533776][  T450] RAX: 00000000ffffffa6 RBX: ff1100000d15fa80 RCX: 1ff4000000237dfc
[   15.533981][  T450] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15fb3c
[   15.534177][  T450] RBP: ff1100000280c000 R08: 1fe2200001a2bf69 R09: ff1100000aa72e80
[   15.534378][  T450] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.534573][  T450] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f7060
[   15.534771][  T450] FS:  00007ff158d2a840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   15.535006][  T450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.535173][  T450] CR2: 000000000042f320 CR3: 00000000060a3004 CR4: 0000000000771ef0
[   15.535375][  T450] PKRU: 55555554
[   15.535475][  T450] Call Trace:
[   15.535574][  T450]  <TASK>
[   15.535642][  T450]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.535777][  T450]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.535879][  T450]  __dev_notify_flags (net/core/dev.c:9787)
[   15.536018][  T450]  ? netif_change_name (net/core/dev.c:1495)
[   15.536153][  T450]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   15.536328][  T450]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.536464][  T450]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.536600][  T450]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.536732][  T450]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.536865][  T450]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.537009][  T450]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.537149][  T450]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.537284][  T450]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.537422][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.537555][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.537687][  T450]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.537819][  T450]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.537961][  T450]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.538095][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.538227][  T450]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.538364][  T450]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.538496][  T450]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.538627][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.538760][  T450]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.538896][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.539031][  T450]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.539164][  T450]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.539304][  T450]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.539439][  T450]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.539570][  T450]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.539704][  T450]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.539836][  T450]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.539973][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.540107][  T450]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.540240][  T450]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.540379][  T450]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.540511][  T450]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.540644][  T450]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.540775][  T450]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.540943][  T450]  ? move_addr_to_kernel (net/socket.c:258)
[   15.541079][  T450]  ___sys_sendmsg (net/socket.c:2752)
[   15.541211][  T450]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.541348][  T450]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.541490][  T450]  ? 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))
[   15.541625][  T450]  __sys_sendmsg (net/socket.c:2784)
[   15.541761][  T450]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.541903][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.542036][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.542171][  T450]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.542308][  T450]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.542440][  T450]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.542574][  T450]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.542738][  T450] RIP: 0033:0x7ff158f6408e
[   15.542877][  T450] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.543362][  T450] RSP: 002b:00007ffcc7fb2af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.543562][  T450] RAX: ffffffffffffffda RBX: 00007ffcc7fb32a0 RCX: 00007ff158f6408e
[   15.543759][  T450] RDX: 0000000000000000 RSI: 00007ffcc7fb2ba0 RDI: 0000000000000005
[   15.543963][  T450] RBP: 00007ffcc7fb2b00 R08: 0000000000000000 R09: 0000000000000000
[   15.544162][  T450] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   15.544364][  T450] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc7fb3260
| [   15.607703][  T452] ------------[ cut here ]------------
| [   15.607844][  T452] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/452
| [   15.608268][  T452] Modules linked in: ip_gre gre
| [   15.608664][  T452] Tainted: [W]=WARN
[   15.608760][  T452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.608926][  T452] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.609091][  T452] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.609548][  T452] RSP: 0018:ffa00000011df020 EFLAGS: 00010286
[   15.609710][  T452] RAX: 00000000ffffffa6 RBX: ff110000051f78c0 RCX: 1ff400000023bdca
[   15.609905][  T452] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f797c
[   15.610093][  T452] RBP: ff1100000280c000 R08: 1fe2200000a3ef31 R09: ff1100000a92ae58
[   15.610281][  T452] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.610474][  T452] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.610665][  T452] FS:  00007f9153ae1840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   15.610891][  T452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.611049][  T452] CR2: 00007f9153db11a0 CR3: 000000000f3f6001 CR4: 0000000000771ef0
[   15.611239][  T452] PKRU: 55555554
[   15.611337][  T452] Call Trace:
[   15.611432][  T452]  <TASK>
[   15.611499][  T452]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.611628][  T452]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.611725][  T452]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.611852][  T452]  __dev_notify_flags (net/core/dev.c:9787)
[   15.611985][  T452]  ? netif_change_name (net/core/dev.c:1495)
[   15.612113][  T452]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.612240][  T452]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.612373][  T452]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.612499][  T452]  ? 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))
[   15.612628][  T452]  netif_change_flags (net/core/dev.c:9820)
[   15.612755][  T452]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.612888][  T452]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.613018][  T452]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.613148][  T452]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.613309][  T452]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.613437][  T452]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.613564][  T452]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.613689][  T452]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.613817][  T452]  ? __kernel_text_address (kernel/extable.c:79)
[   15.613951][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.614081][  T452]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.614208][  T452]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.614338][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.614465][  T452]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.614590][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.614716][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.614843][  T452]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.614977][  T452]  ? __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)
[   15.615104][  T452]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.615232][  T452]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.615365][  T452]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.615495][  T452]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.615626][  T452]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.615754][  T452]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.615880][  T452]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.616013][  T452]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.616140][  T452]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.616265][  T452]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.616398][  T452]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.616524][  T452]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.616650][  T452]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.616777][  T452]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.616909][  T452]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.617038][  T452]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.617164][  T452]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.617289][  T452]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.617418][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.617546][  T452]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.617671][  T452]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.617798][  T452]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.617929][  T452]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.618056][  T452]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.618185][  T452]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.618315][  T452]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.618443][  T452]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.618570][  T452]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.618696][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.618823][  T452]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.618958][  T452]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.619087][  T452]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.619214][  T452]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.619345][  T452]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.619470][  T452]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.619626][  T452]  ? move_addr_to_kernel (net/socket.c:258)
[   15.619753][  T452]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.619880][  T452]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.620010][  T452]  ___sys_sendmsg (net/socket.c:2752)
[   15.620135][  T452]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.620298][  T452]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.620436][  T452]  __sys_sendmsg (net/socket.c:2784)
[   15.620562][  T452]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.620688][  T452]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.620847][  T452]  ? 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)
[   15.620979][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.621107][  T452]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.621233][  T452]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.621361][  T452]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.621489][  T452]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.621643][  T452] RIP: 0033:0x7f9153d1b08e
[   15.621774][  T452] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.622226][  T452] RSP: 002b:00007ffe1a1c3520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.622418][  T452] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9153d1b08e
[   15.622605][  T452] RDX: 0000000000000000 RSI: 00007ffe1a1c35d0 RDI: 0000000000000005
[   15.622794][  T452] RBP: 00007ffe1a1c3530 R08: 0000000000000000 R09: 0000000000000000
[   15.622985][  T452] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec14
[   15.623172][  T452] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1a1c3ca0
| [   15.729686][  T460] ------------[ cut here ]------------
| [   15.729866][  T460] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/460
| [   15.730733][  T460] Modules linked in: ip_gre gre
| [   15.731377][  T460] Tainted: [W]=WARN
[   15.731568][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.731822][  T460] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.732131][  T460] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.732629][  T460] RSP: 0018:ffa000000123f020 EFLAGS: 00010286
[   15.732829][  T460] RAX: 00000000ffffffa6 RBX: ff110000051f71c0 RCX: 1ff4000000247dca
[   15.733071][  T460] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f727c
[   15.733306][  T460] RBP: ff1100000280c000 R08: 1fe2200000a3ee51 R09: ff110000101c5158
[   15.733538][  T460] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   15.733768][  T460] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.734015][  T460] FS:  00007f93dce6d840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   15.734278][  T460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.734487][  T460] CR2: 0000000023350988 CR3: 000000000f406001 CR4: 0000000000771ef0
[   15.734722][  T460] PKRU: 55555554
[   15.734860][  T460] Call Trace:
[   15.735009][  T460]  <TASK>
[   15.735119][  T460]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.735300][  T460]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.735441][  T460]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.735609][  T460]  __dev_notify_flags (net/core/dev.c:9787)
[   15.735780][  T460]  ? netif_change_name (net/core/dev.c:1495)
[   15.735961][  T460]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   15.736130][  T460]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.736304][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.736478][  T460]  ? 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))
[   15.736649][  T460]  netif_change_flags (net/core/dev.c:9820)
[   15.736820][  T460]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.737000][  T460]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.737173][  T460]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.737350][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.737554][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.737724][  T460]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.737905][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.738074][  T460]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.738246][  T460]  ? __kernel_text_address (kernel/extable.c:79)
[   15.738425][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.738597][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.738768][  T460]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.738951][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.739122][  T460]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.739289][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.739466][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.739637][  T460]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.739809][  T460]  ? __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)
[   15.739993][  T460]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.740168][  T460]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.740346][  T460]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.740519][  T460]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.740693][  T460]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.740865][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.741046][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.741217][  T460]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.741395][  T460]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.741567][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.741738][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.741918][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.742088][  T460]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.742256][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.742432][  T460]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.742602][  T460]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.742777][  T460]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.742959][  T460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.743128][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.743306][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.743475][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.743645][  T460]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.743814][  T460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.743996][  T460]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.744171][  T460]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.744345][  T460]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.744516][  T460]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.744688][  T460]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.744856][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.745039][  T460]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.745211][  T460]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.745392][  T460]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.745563][  T460]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.745731][  T460]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.745911][  T460]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.746110][  T460]  ? move_addr_to_kernel (net/socket.c:258)
[   15.746281][  T460]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.746459][  T460]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.746632][  T460]  ___sys_sendmsg (net/socket.c:2752)
[   15.746801][  T460]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.747015][  T460]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.747197][  T460]  __sys_sendmsg (net/socket.c:2784)
[   15.747376][  T460]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.747548][  T460]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.747750][  T460]  ? 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)
[   15.747934][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.748106][  T460]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.748275][  T460]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.748452][  T460]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.748621][  T460]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.748820][  T460] RIP: 0033:0x7f93dd0a708e
[   15.749007][  T460] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.749503][  T460] RSP: 002b:00007ffd4b08d180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.749735][  T460] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f93dd0a708e
[   15.749979][  T460] RDX: 0000000000000000 RSI: 00007ffd4b08d230 RDI: 0000000000000005
[   15.750212][  T460] RBP: 00007ffd4b08d190 R08: 0000000000000000 R09: 0000000000000000
[   15.750450][  T460] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   15.750680][  T460] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4b08d900
| [   15.814082][  T462] ------------[ cut here ]------------
| [   15.814230][  T462] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/462
| [   15.814456][  T462] Modules linked in: ip_gre gre
| [   15.814853][  T462] Tainted: [W]=WARN
[   15.815056][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.815217][  T462] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.815389][  T462] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.815844][  T462] RSP: 0018:ffa000000125f020 EFLAGS: 00010286
[   15.816013][  T462] RAX: 00000000ffffffa6 RBX: ff110000051f6740 RCX: 1ff400000024bdca
[   15.816210][  T462] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f67fc
[   15.816411][  T462] RBP: ff1100000280c000 R08: 1fe2200000a3ed01 R09: ff1100000f6d8b58
[   15.816604][  T462] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.816797][  T462] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.816995][  T462] FS:  00007f48862c0840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   15.817222][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.817386][  T462] CR2: 00007f48865901a0 CR3: 0000000009813005 CR4: 0000000000771ef0
[   15.817579][  T462] PKRU: 55555554
[   15.817675][  T462] Call Trace:
[   15.817771][  T462]  <TASK>
[   15.817838][  T462]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.817977][  T462]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.818076][  T462]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.818206][  T462]  __dev_notify_flags (net/core/dev.c:9787)
[   15.818340][  T462]  ? netif_change_name (net/core/dev.c:1495)
[   15.818470][  T462]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.818600][  T462]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.818729][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.818857][  T462]  ? 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))
[   15.818994][  T462]  netif_change_flags (net/core/dev.c:9820)
[   15.819123][  T462]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.819252][  T462]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.819388][  T462]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.819517][  T462]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.819678][  T462]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.819807][  T462]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.819941][  T462]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.820070][  T462]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.820199][  T462]  ? __kernel_text_address (kernel/extable.c:79)
[   15.820331][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.820462][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.820590][  T462]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.820719][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.820848][  T462]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.820981][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.821110][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.821239][  T462]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.821369][  T462]  ? __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)
[   15.821499][  T462]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.821628][  T462]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.821759][  T462]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.821897][  T462]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.822030][  T462]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.822161][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.822289][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.822425][  T462]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.822557][  T462]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.822685][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.822816][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.822950][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.823079][  T462]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.823208][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.823340][  T462]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.823469][  T462]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.823598][  T462]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.823726][  T462]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.823853][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.823989][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.824118][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.824246][  T462]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.824379][  T462]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.824508][  T462]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.824640][  T462]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.824768][  T462]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.824900][  T462]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.825031][  T462]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.825160][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.825289][  T462]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.825423][  T462]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.825554][  T462]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.825684][  T462]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.825813][  T462]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.825946][  T462]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.826105][  T462]  ? move_addr_to_kernel (net/socket.c:258)
[   15.826235][  T462]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.826368][  T462]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.826498][  T462]  ___sys_sendmsg (net/socket.c:2752)
[   15.826626][  T462]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.826786][  T462]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.826932][  T462]  __sys_sendmsg (net/socket.c:2784)
[   15.827060][  T462]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.827189][  T462]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.827357][  T462]  ? 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)
[   15.827485][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.827614][  T462]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.827742][  T462]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.827870][  T462]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.828004][  T462]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.828163][  T462] RIP: 0033:0x7f48864fa08e
[   15.828302][  T462] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.828757][  T462] RSP: 002b:00007fff96895760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.828956][  T462] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f48864fa08e
[   15.829147][  T462] RDX: 0000000000000000 RSI: 00007fff96895810 RDI: 0000000000000005
[   15.829342][  T462] RBP: 00007fff96895770 R08: 0000000000000000 R09: 0000000000000000
[   15.829532][  T462] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   15.829723][  T462] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff96895ee0
| [   15.970771][  T471] ------------[ cut here ]------------
| [   15.971575][  T471] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/471
| [   15.971849][  T471] Modules linked in: ip_gre gre
| [   15.972364][  T471] Tainted: [W]=WARN
[   15.972507][  T471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.972715][  T471] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.972941][  T471] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.973453][  T471] RSP: 0018:ffa00000012df060 EFLAGS: 00010286
[   15.973663][  T471] RAX: 00000000ffffffa6 RBX: ff1100000c30ae40 RCX: 1ff400000025bdd2
[   15.973912][  T471] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30aefc
[   15.974150][  T471] RBP: ff1100000280c000 R08: 1fe22000018615e1 R09: ff1100000a93ae58
[   15.974395][  T471] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   15.974634][  T471] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000012df0f8
[   15.974874][  T471] FS:  00007f164a0fb840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   15.975156][  T471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.975371][  T471] CR2: 0000000038e96988 CR3: 000000000f326001 CR4: 0000000000771ef0
[   15.975612][  T471] PKRU: 55555554
[   15.975755][  T471] Call Trace:
[   15.975910][  T471]  <TASK>
[   15.976024][  T471]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.976202][  T471]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.976354][  T471]  netif_close_many (net/core/dev.c:1804)
[   15.976530][  T471]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.976705][  T471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.976897][  T471]  ? __dev_close_many (net/core/dev.c:1781)
[   15.977071][  T471]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.977278][  T471]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.977494][  T471]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.977668][  T471]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.977844][  T471]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.978066][  T471]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.978244][  T471]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.978427][  T471]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.978635][  T471]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   15.978814][  T471]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.979000][  T471]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   15.979176][  T471]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   15.979361][  T471]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.979535][  T471]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.979713][  T471]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.979901][  T471]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.980075][  T471]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.980268][  T471]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.980450][  T471]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.980627][  T471]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.980801][  T471]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.980989][  T471]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.981164][  T471]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   15.981346][  T471]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.981522][  T471]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.981698][  T471]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.981874][  T471]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.982063][  T471]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   15.982239][  T471]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.982424][  T471]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.982598][  T471]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.982774][  T471]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.982968][  T471]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.983147][  T471]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.983337][  T471]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.983518][  T471]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.983697][  T471]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.983877][  T471]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.984066][  T471]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.984245][  T471]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.984432][  T471]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.984608][  T471]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.984786][  T471]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.984973][  T471]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.985149][  T471]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.985337][  T471]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.985517][  T471]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.985693][  T471]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.985910][  T471]  ? move_addr_to_kernel (net/socket.c:258)
[   15.986087][  T471]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.986263][  T471]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.986448][  T471]  ___sys_sendmsg (net/socket.c:2752)
[   15.986622][  T471]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.986833][  T471]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.987036][  T471]  __sys_sendmsg (net/socket.c:2784)
[   15.987213][  T471]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.987397][  T471]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.987609][  T471]  ? 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)
[   15.987786][  T471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.987973][  T471]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.988151][  T471]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.988335][  T471]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.988515][  T471]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.988725][  T471] RIP: 0033:0x7f164a33508e
[   15.988920][  T471] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.989436][  T471] RSP: 002b:00007ffc7fc53f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.989679][  T471] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f164a33508e
[   15.989935][  T471] RDX: 0000000000000000 RSI: 00007ffc7fc54030 RDI: 0000000000000005
[   15.990175][  T471] RBP: 00007ffc7fc53f90 R08: 0000000000000000 R09: 0000000000000000
[   15.990421][  T471] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   15.990659][  T471] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7fc54700
| [   16.007070][  T471] ------------[ cut here ]------------
| [   16.007254][  T471] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/471
| [   16.007520][  T471] Modules linked in: ip_gre gre
| [   16.008011][  T471] Tainted: [W]=WARN
[   16.008153][  T471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.008367][  T471] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.008580][  T471] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.009085][  T471] RSP: 0018:ffa00000012df190 EFLAGS: 00010286
[   16.009290][  T471] RAX: 00000000ffffffa6 RBX: ff1100000e174580 RCX: 1ff400000025bdf8
[   16.009530][  T471] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e17463c
[   16.009761][  T471] RBP: ff1100000280c000 R08: 1fe2200001c2e8c9 R09: ff1100000a93ae58
[   16.010111][  T471] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.010350][  T471] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.010592][  T471] FS:  00007f164a0fb840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   16.010856][  T471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.011073][  T471] CR2: 0000000038e96988 CR3: 000000000f326001 CR4: 0000000000771ef0
[   16.011314][  T471] PKRU: 55555554
[   16.011454][  T471] Call Trace:
[   16.011593][  T471]  <TASK>
[   16.011708][  T471]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.011929][  T471]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.012132][  T471]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.012313][  T471]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.012485][  T471]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   16.012690][  T471]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   16.012864][  T471]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   16.013052][  T471]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   16.013229][  T471]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.013408][  T471]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.013583][  T471]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.013755][  T471]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.013935][  T471]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.014127][  T471]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.014304][  T471]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.014481][  T471]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.014652][  T471]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.014825][  T471]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.015014][  T471]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   16.015188][  T471]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.015368][  T471]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.015540][  T471]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.015716][  T471]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.015901][  T471]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.016075][  T471]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.016246][  T471]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.016426][  T471]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.016598][  T471]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.016772][  T471]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.016954][  T471]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.017130][  T471]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.017308][  T471]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.017481][  T471]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.017657][  T471]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.017828][  T471]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.018015][  T471]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.018190][  T471]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.018371][  T471]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.018545][  T471]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.018717][  T471]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.018902][  T471]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.019075][  T471]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.019245][  T471]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.019423][  T471]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.019622][  T471]  ? move_addr_to_kernel (net/socket.c:258)
[   16.019798][  T471]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.019983][  T471]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.020154][  T471]  ___sys_sendmsg (net/socket.c:2752)
[   16.020331][  T471]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.020531][  T471]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.020713][  T471]  __sys_sendmsg (net/socket.c:2784)
[   16.020898][  T471]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.021072][  T471]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.021276][  T471]  ? 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)
[   16.021453][  T471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.021625][  T471]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.021795][  T471]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.021979][  T471]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.022151][  T471]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.022360][  T471] RIP: 0033:0x7f164a33508e
[   16.022535][  T471] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.023032][  T471] RSP: 002b:00007ffc7fc53f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.023264][  T471] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f164a33508e
[   16.023501][  T471] RDX: 0000000000000000 RSI: 00007ffc7fc54030 RDI: 0000000000000005
[   16.023731][  T471] RBP: 00007ffc7fc53f90 R08: 0000000000000000 R09: 0000000000000000
[   16.023974][  T471] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   16.024204][  T471] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7fc54700
| [   16.063429][  T472] ------------[ cut here ]------------
| [   16.063582][  T472] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/472
| [   16.063822][  T472] Modules linked in: ip_gre gre
| [   16.064724][  T472] Tainted: [W]=WARN
[   16.064829][  T472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.065004][  T472] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.065182][  T472] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.065671][  T472] RSP: 0018:ffa00000012eef10 EFLAGS: 00010286
[   16.065840][  T472] RAX: 00000000ffffffa6 RBX: ff1100000f23f000 RCX: 1ff400000025dda8
[   16.066050][  T472] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23f0bc
[   16.066253][  T472] RBP: ff110000098c1000 R08: 1fe2200001e47e19 R09: ff1100000a938b80
[   16.066463][  T472] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   16.066665][  T472] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   16.066870][  T472] FS:  00007f214a0de840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   16.067116][  T472] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.067287][  T472] CR2: 000000000042f320 CR3: 000000000ff1f002 CR4: 0000000000771ef0
[   16.067505][  T472] PKRU: 55555554
[   16.067608][  T472] Call Trace:
[   16.067710][  T472]  <TASK>
[   16.067782][  T472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.067926][  T472]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   16.068063][  T472]  notifier_call_chain (kernel/notifier.c:85)
[   16.068203][  T472]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   16.068345][  T472]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   16.068481][  T472]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   16.068653][  T472]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   16.068824][  T472]  ? crng_make_state (drivers/char/random.c:383 (discriminator 14))
[   16.068969][  T472]  netif_set_mtu (net/core/dev.c:9910)
[   16.069104][  T472]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   16.069238][  T472]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   16.069381][  T472]  dev_set_mtu (net/core/dev_api.c:249)
[   16.069486][  T472]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   16.069624][  T472]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   16.069761][  T472]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   16.069937][  T472] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   16.070075][  T472]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   16.070248][  T472]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   16.070391][  T472]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   16.070531][  T472]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.070668][  T472]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.070804][  T472]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.070952][  T472]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.071093][  T472]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.071230][  T472]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.071373][  T472]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.071509][  T472]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.071646][  T472]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.071782][  T472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.071928][  T472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.072064][  T472]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.072200][  T472]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.072340][  T472]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.072475][  T472]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.072610][  T472]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.072749][  T472]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.072889][  T472]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.073026][  T472]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.073162][  T472]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.073303][  T472]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.073442][  T472]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.073577][  T472]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.073714][  T472]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.073855][  T472]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.073997][  T472]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.074134][  T472]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.074284][  T472]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.074426][  T472]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.074562][  T472]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.074697][  T472]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.074833][  T472]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.075006][  T472]  ? move_addr_to_kernel (net/socket.c:258)
[   16.075146][  T472]  ___sys_sendmsg (net/socket.c:2752)
[   16.075281][  T472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.075421][  T472]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.075565][  T472]  ? 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))
[   16.075703][  T472]  __sys_sendmsg (net/socket.c:2784)
[   16.075840][  T472]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.075986][  T472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.076121][  T472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.076257][  T472]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.076399][  T472]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.076535][  T472]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.076670][  T472]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.076838][  T472] RIP: 0033:0x7f214a31808e
[   16.076988][  T472] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.077476][  T472] RSP: 002b:00007fffb7040830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.077680][  T472] RAX: ffffffffffffffda RBX: 00007fffb7040fe0 RCX: 00007f214a31808e
[   16.077891][  T472] RDX: 0000000000000000 RSI: 00007fffb70408e0 RDI: 0000000000000005
[   16.078094][  T472] RBP: 00007fffb7040840 R08: 0000000000000000 R09: 0000000000000000
[   16.078302][  T472] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   16.078503][  T472] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb7040fa0
| [   16.080087][  T472] ------------[ cut here ]------------
| [   16.080213][  T472] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/472
| [   16.080439][  T472] Modules linked in: ip_gre gre
| [   16.080837][  T472] Tainted: [W]=WARN
[   16.080970][  T472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.081133][  T472] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.081304][  T472] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.081783][  T472] RSP: 0018:ffa00000012ef1b0 EFLAGS: 00010286
[   16.081951][  T472] RAX: 00000000ffffffa6 RBX: ff1100000f23eac0 RCX: 1ff400000025ddfc
[   16.082145][  T472] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23eb7c
[   16.082340][  T472] RBP: ff110000098c1000 R08: 1fe2200001e47d71 R09: ff1100000a938b80
[   16.082532][  T472] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   16.082725][  T472] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f6d40
[   16.082924][  T472] FS:  00007f214a0de840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   16.083153][  T472] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.083319][  T472] CR2: 000000000042f320 CR3: 000000000ff1f002 CR4: 0000000000771ef0
[   16.083514][  T472] PKRU: 55555554
[   16.083611][  T472] Call Trace:
[   16.083707][  T472]  <TASK>
[   16.083774][  T472]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.083910][  T472]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.084010][  T472]  __dev_notify_flags (net/core/dev.c:9787)
[   16.084141][  T472]  ? netif_change_name (net/core/dev.c:1495)
[   16.084271][  T472]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   16.084440][  T472]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.084573][  T472]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   16.084704][  T472]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.084834][  T472]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.084968][  T472]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.085104][  T472]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.085240][  T472]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.085374][  T472]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.085503][  T472]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.085632][  T472]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.085761][  T472]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.085894][  T472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.086030][  T472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.086159][  T472]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.086290][  T472]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.086426][  T472]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.086556][  T472]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.086686][  T472]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.086816][  T472]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.086950][  T472]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.087082][  T472]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.087211][  T472]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.087348][  T472]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.087482][  T472]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.087612][  T472]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.087742][  T472]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.087872][  T472]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.088009][  T472]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.088139][  T472]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.088270][  T472]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.088404][  T472]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.088535][  T472]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.088665][  T472]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.088794][  T472]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.088960][  T472]  ? move_addr_to_kernel (net/socket.c:258)
[   16.089095][  T472]  ___sys_sendmsg (net/socket.c:2752)
[   16.089223][  T472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.089360][  T472]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.089498][  T472]  ? 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))
[   16.089629][  T472]  __sys_sendmsg (net/socket.c:2784)
[   16.089758][  T472]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.089897][  T472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.090027][  T472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.090157][  T472]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.090393][  T472]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.090522][  T472]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.090652][  T472]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.090812][  T472] RIP: 0033:0x7f214a31808e
[   16.091044][  T472] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.091595][  T472] RSP: 002b:00007fffb7040830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.091790][  T472] RAX: ffffffffffffffda RBX: 00007fffb7040fe0 RCX: 00007f214a31808e
[   16.091988][  T472] RDX: 0000000000000000 RSI: 00007fffb70408e0 RDI: 0000000000000005
[   16.092270][  T472] RBP: 00007fffb7040840 R08: 0000000000000000 R09: 0000000000000000
[   16.092465][  T472] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   16.092658][  T472] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb7040fa0
| [   16.156167][  T474] ------------[ cut here ]------------
| [   16.156354][  T474] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/474
| [   16.156614][  T474] Modules linked in: ip_gre gre
| [   16.157098][  T474] Tainted: [W]=WARN
[   16.157238][  T474] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.157448][  T474] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.157654][  T474] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.158673][  T474] RSP: 0018:ffa000000130f020 EFLAGS: 00010286
[   16.158942][  T474] RAX: 00000000ffffffa6 RBX: ff1100000b7698c0 RCX: 1ff4000000261dca
[   16.159223][  T474] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b76997c
[   16.159513][  T474] RBP: ff110000098c1000 R08: 1fe22000016ed331 R09: ff11000009642e58
[   16.159796][  T474] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   16.160101][  T474] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.160400][  T474] FS:  00007fcca9ada840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   16.160759][  T474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.161040][  T474] CR2: 0000000006dab988 CR3: 000000000e55c001 CR4: 0000000000771ef0
[   16.161365][  T474] PKRU: 55555554
[   16.161577][  T474] Call Trace:
[   16.161793][  T474]  <TASK>
[   16.161914][  T474]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.162087][  T474]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.162228][  T474]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.162399][  T474]  __dev_notify_flags (net/core/dev.c:9787)
[   16.162572][  T474]  ? netif_change_name (net/core/dev.c:1495)
[   16.162746][  T474]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.162929][  T474]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.163101][  T474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.163273][  T474]  ? 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))
[   16.163452][  T474]  netif_change_flags (net/core/dev.c:9820)
[   16.163623][  T474]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   16.163797][  T474]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.163982][  T474]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.164153][  T474]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.164360][  T474]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.164532][  T474]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.164702][  T474]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.164871][  T474]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.165059][  T474]  ? __kernel_text_address (kernel/extable.c:79)
[   16.165231][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.165412][  T474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.165584][  T474]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.165755][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.165934][  T474]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.166102][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.166274][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.166452][  T474]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.166623][  T474]  ? __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)
[   16.166792][  T474]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.166978][  T474]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.167148][  T474]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.167327][  T474]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.167500][  T474]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.167675][  T474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.167843][  T474]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.168025][  T474]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.168194][  T474]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.168368][  T474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.168542][  T474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.168712][  T474]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.168898][  T474]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.169068][  T474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.169239][  T474]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.169418][  T474]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.169591][  T474]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.169759][  T474]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.169942][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.170113][  T474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.170284][  T474]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.170464][  T474]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.170632][  T474]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.170805][  T474]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.170990][  T474]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.171158][  T474]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.171337][  T474]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.171511][  T474]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.171683][  T474]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.171854][  T474]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.172037][  T474]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.172208][  T474]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.172387][  T474]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.172557][  T474]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.172726][  T474]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.172937][  T474]  ? move_addr_to_kernel (net/socket.c:258)
[   16.173109][  T474]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.173279][  T474]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.173458][  T474]  ___sys_sendmsg (net/socket.c:2752)
[   16.173627][  T474]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.173830][  T474]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.174024][  T474]  __sys_sendmsg (net/socket.c:2784)
[   16.174198][  T474]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.174373][  T474]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.174577][  T474]  ? 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)
[   16.174748][  T474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.174931][  T474]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.175101][  T474]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.175272][  T474]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.175450][  T474]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.175653][  T474] RIP: 0033:0x7fcca9d1408e
[   16.175828][  T474] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.176333][  T474] RSP: 002b:00007ffd896985d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.176570][  T474] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcca9d1408e
[   16.176800][  T474] RDX: 0000000000000000 RSI: 00007ffd89698680 RDI: 0000000000000005
[   16.177044][  T474] RBP: 00007ffd896985e0 R08: 0000000000000000 R09: 0000000000000000
[   16.177275][  T474] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   16.177514][  T474] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd89698d50
| [   16.291071][  T483] ------------[ cut here ]------------
| [   16.291253][  T483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/483
| [   16.291524][  T483] Modules linked in: ip_gre gre
| [   16.292623][  T483] Tainted: [W]=WARN
[   16.293006][  T483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.293217][  T483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.293432][  T483] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.293931][  T483] RSP: 0018:ffa0000000547020 EFLAGS: 00010286
[   16.294134][  T483] RAX: 00000000ffffffa6 RBX: ff1100000e22ba80 RCX: 1ff40000000a8dca
[   16.294368][  T483] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22bb3c
[   16.294600][  T483] RBP: ff110000098c1000 R08: 1fe2200001c45769 R09: ff1100000a94ae58
[   16.294829][  T483] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   16.295073][  T483] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.295315][  T483] FS:  00007f8a87c31840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   16.295580][  T483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.295782][  T483] CR2: 00007f8a87f011a0 CR3: 000000000fcf5003 CR4: 0000000000771ef0
[   16.296025][  T483] PKRU: 55555554
[   16.296164][  T483] Call Trace:
[   16.296309][  T483]  <TASK>
[   16.296419][  T483]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.296593][  T483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.296733][  T483]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.296916][  T483]  __dev_notify_flags (net/core/dev.c:9787)
[   16.297092][  T483]  ? netif_change_name (net/core/dev.c:1495)
[   16.297262][  T483]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   16.297436][  T483]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.297606][  T483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.297777][  T483]  ? 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))
[   16.297962][  T483]  netif_change_flags (net/core/dev.c:9820)
[   16.298135][  T483]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   16.298313][  T483]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.298488][  T483]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.298659][  T483]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.298860][  T483]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.299045][  T483]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.299216][  T483]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.299392][  T483]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.299568][  T483]  ? __kernel_text_address (kernel/extable.c:79)
[   16.299739][  T483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.299922][  T483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.300091][  T483]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.300262][  T483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.300437][  T483]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.300606][  T483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.300778][  T483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.300963][  T483]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.301136][  T483]  ? __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)
[   16.301314][  T483]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.301487][  T483]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.301661][  T483]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.301834][  T483]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.302020][  T483]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.302195][  T483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.302368][  T483]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.302538][  T483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.302708][  T483]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.302878][  T483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.303065][  T483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.303233][  T483]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.303412][  T483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.303581][  T483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.303755][  T483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.303935][  T483]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.304108][  T483]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.304277][  T483]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.304455][  T483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.304629][  T483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.304800][  T483]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.304985][  T483]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.305157][  T483]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.305339][  T483]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.305516][  T483]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.305685][  T483]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.305859][  T483]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.306045][  T483]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.306216][  T483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.306395][  T483]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.306567][  T483]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.306740][  T483]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.306927][  T483]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.307100][  T483]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.307272][  T483]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.307477][  T483]  ? move_addr_to_kernel (net/socket.c:258)
[   16.307652][  T483]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.307825][  T483]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.308010][  T483]  ___sys_sendmsg (net/socket.c:2752)
[   16.308182][  T483]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.308393][  T483]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.308575][  T483]  __sys_sendmsg (net/socket.c:2784)
[   16.308746][  T483]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.308929][  T483]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.309133][  T483]  ? 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)
[   16.309312][  T483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.309485][  T483]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.309657][  T483]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.309829][  T483]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.310014][  T483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.310215][  T483] RIP: 0033:0x7f8a87e6b08e
[   16.310399][  T483] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.310901][  T483] RSP: 002b:00007ffea3b93d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.311137][  T483] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8a87e6b08e
[   16.311377][  T483] RDX: 0000000000000000 RSI: 00007ffea3b93e20 RDI: 0000000000000005
[   16.311610][  T483] RBP: 00007ffea3b93d80 R08: 0000000000000000 R09: 0000000000000000
[   16.311845][  T483] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   16.312091][  T483] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea3b944f0
| [   16.374199][  T485] ------------[ cut here ]------------
| [   16.374357][  T485] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/485
| [   16.374584][  T485] Modules linked in: ip_gre gre
| [   16.374992][  T485] Tainted: [W]=WARN
[   16.375091][  T485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.375253][  T485] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.375434][  T485] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.375981][  T485] RSP: 0018:ffa000000136f020 EFLAGS: 00010286
[   16.376146][  T485] RAX: 00000000ffffffa6 RBX: ff1100000be39380 RCX: 1ff400000026ddca
[   16.376345][  T485] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3943c
[   16.376541][  T485] RBP: ff110000098c1000 R08: 1fe22000017c7289 R09: ff11000009ac2e58
[   16.376734][  T485] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   16.377012][  T485] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.377207][  T485] FS:  00007fe4af2f3840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   16.377437][  T485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.377679][  T485] CR2: 000000001f5af988 CR3: 000000000e04d003 CR4: 0000000000771ef0
[   16.377875][  T485] PKRU: 55555554
[   16.378048][  T485] Call Trace:
[   16.378145][  T485]  <TASK>
[   16.378214][  T485]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.378352][  T485]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.378452][  T485]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.378585][  T485]  __dev_notify_flags (net/core/dev.c:9787)
[   16.378719][  T485]  ? netif_change_name (net/core/dev.c:1495)
[   16.378849][  T485]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.379055][  T485]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.379183][  T485]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.379317][  T485]  ? 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))
[   16.379449][  T485]  netif_change_flags (net/core/dev.c:9820)
[   16.379582][  T485]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   16.379712][  T485]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.379843][  T485]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.380029][  T485]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.380190][  T485]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.380323][  T485]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.380454][  T485]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.380583][  T485]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.380714][  T485]  ? __kernel_text_address (kernel/extable.c:79)
[   16.380843][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.381031][  T485]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.381160][  T485]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.381289][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.381428][  T485]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.381557][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.381688][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.381817][  T485]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.382003][  T485]  ? __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)
[   16.382134][  T485]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.382263][  T485]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.382398][  T485]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.382532][  T485]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.382667][  T485]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.382798][  T485]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.382979][  T485]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.383110][  T485]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.383239][  T485]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.383371][  T485]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.383503][  T485]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.383633][  T485]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.383763][  T485]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.383959][  T485]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.384090][  T485]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.384220][  T485]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.384353][  T485]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.384482][  T485]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.384611][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.384744][  T485]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.384873][  T485]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.385009][  T485]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.385140][  T485]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.385271][  T485]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.385408][  T485]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.385537][  T485]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.385671][  T485]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.385802][  T485]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.385939][  T485]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.386071][  T485]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.386202][  T485]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.386339][  T485]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.386472][  T485]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.386604][  T485]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.386735][  T485]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.386898][  T485]  ? move_addr_to_kernel (net/socket.c:258)
[   16.387030][  T485]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.387160][  T485]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.387290][  T485]  ___sys_sendmsg (net/socket.c:2752)
[   16.387424][  T485]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.387585][  T485]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.387727][  T485]  __sys_sendmsg (net/socket.c:2784)
[   16.387858][  T485]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.387994][  T485]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.388158][  T485]  ? 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)
[   16.388288][  T485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.388423][  T485]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.388554][  T485]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.388686][  T485]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.388815][  T485]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.388981][  T485] RIP: 0033:0x7fe4af52d08e
[   16.389117][  T485] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.389583][  T485] RSP: 002b:00007fff88acd5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.389778][  T485] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe4af52d08e
[   16.389977][  T485] RDX: 0000000000000000 RSI: 00007fff88acd6a0 RDI: 0000000000000005
[   16.390171][  T485] RBP: 00007fff88acd600 R08: 0000000000000000 R09: 0000000000000000
[   16.390367][  T485] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   16.390563][  T485] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff88acdd70
| [   16.532757][  T494] ------------[ cut here ]------------
| [   16.533548][  T494] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/494
| [   16.533818][  T494] Modules linked in: ip_gre gre
| [   16.534310][  T494] Tainted: [W]=WARN
[   16.534453][  T494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.534652][  T494] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.534858][  T494] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.535358][  T494] RSP: 0018:ffa00000013ff060 EFLAGS: 00010286
[   16.535561][  T494] RAX: 00000000ffffffa6 RBX: ff110000097c31c0 RCX: 1ff400000027fdd2
[   16.535786][  T494] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c327c
[   16.536022][  T494] RBP: ff110000098c1000 R08: 1fe22000012f8651 R09: ff1100000fd92e58
[   16.536248][  T494] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   16.536485][  T494] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000013ff0f8
[   16.536713][  T494] FS:  00007fcd8ac97840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   16.536986][  T494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.537186][  T494] CR2: 00000000101f6988 CR3: 0000000008e77003 CR4: 0000000000771ef0
[   16.537425][  T494] PKRU: 55555554
[   16.537561][  T494] Call Trace:
[   16.537698][  T494]  <TASK>
[   16.537807][  T494]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.537989][  T494]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.538129][  T494]  netif_close_many (net/core/dev.c:1804)
[   16.538304][  T494]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.538474][  T494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.538643][  T494]  ? __dev_close_many (net/core/dev.c:1781)
[   16.538816][  T494]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   16.539026][  T494]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   16.539225][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.539399][  T494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.539569][  T494]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.539766][  T494]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.539948][  T494]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.540119][  T494]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   16.540323][  T494]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   16.540495][  T494]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   16.540664][  T494]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   16.540834][  T494]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   16.541018][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.541184][  T494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.541359][  T494]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.541530][  T494]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.541698][  T494]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.541897][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.542064][  T494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.542234][  T494]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.542410][  T494]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.542578][  T494]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.542751][  T494]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   16.542937][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.543106][  T494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.543275][  T494]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.543452][  T494]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.543622][  T494]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.543790][  T494]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.543973][  T494]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.544141][  T494]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.544315][  T494]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.544485][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.544652][  T494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.544821][  T494]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.545002][  T494]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.545170][  T494]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.545351][  T494]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.545517][  T494]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.545688][  T494]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.545859][  T494]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.546039][  T494]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.546208][  T494]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.546384][  T494]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.546554][  T494]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.546727][  T494]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.546908][  T494]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.547076][  T494]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.547273][  T494]  ? move_addr_to_kernel (net/socket.c:258)
[   16.547451][  T494]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.547621][  T494]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.547789][  T494]  ___sys_sendmsg (net/socket.c:2752)
[   16.547970][  T494]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.548168][  T494]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.548351][  T494]  __sys_sendmsg (net/socket.c:2784)
[   16.548520][  T494]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.548686][  T494]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.548899][  T494]  ? 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)
[   16.549069][  T494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.549241][  T494]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.549419][  T494]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.549586][  T494]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.549755][  T494]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.549965][  T494] RIP: 0033:0x7fcd8aed108e
[   16.550139][  T494] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.550631][  T494] RSP: 002b:00007fff3df0bed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.550861][  T494] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcd8aed108e
[   16.551102][  T494] RDX: 0000000000000000 RSI: 00007fff3df0bf80 RDI: 0000000000000005
[   16.551338][  T494] RBP: 00007fff3df0bee0 R08: 0000000000000000 R09: 0000000000000000
[   16.551566][  T494] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   16.551795][  T494] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3df0c650
| [   16.557002][  T494] ------------[ cut here ]------------
| [   16.557168][  T494] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/494
| [   16.557421][  T494] Modules linked in: ip_gre gre
| [   16.557878][  T494] Tainted: [W]=WARN
[   16.558042][  T494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.558237][  T494] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.558445][  T494] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.559011][  T494] RSP: 0018:ffa00000013ff190 EFLAGS: 00010286
[   16.559208][  T494] RAX: 00000000ffffffa6 RBX: ff110000097c2740 RCX: 1ff400000027fdf8
[   16.559436][  T494] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c27fc
[   16.559737][  T494] RBP: ff110000098c1000 R08: 1fe22000012f8501 R09: ff1100000fd92e58
[   16.559976][  T494] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.560198][  T494] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.560505][  T494] FS:  00007fcd8ac97840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   16.560760][  T494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.561109][  T494] CR2: 00000000101f6988 CR3: 0000000008e77003 CR4: 0000000000771ef0
[   16.561415][  T494] PKRU: 55555554
[   16.561677][  T494] Call Trace:
[   16.561870][  T494]  <TASK>
[   16.562072][  T494]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.562338][  T494]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.562534][  T494]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.562702][  T494]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.562868][  T494]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   16.563079][  T494]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   16.563253][  T494]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   16.563431][  T494]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   16.563602][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.563767][  T494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.564024][  T494]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.564193][  T494]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.564369][  T494]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.564554][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.564793][  T494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.564973][  T494]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.565139][  T494]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.565312][  T494]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.565557][  T494]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   16.565728][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.565906][  T494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.566073][  T494]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.566323][  T494]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.566493][  T494]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.566660][  T494]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.566828][  T494]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.567008][  T494]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.567180][  T494]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.567358][  T494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.567525][  T494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.567773][  T494]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.567954][  T494]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.568122][  T494]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.568293][  T494]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.568545][  T494]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.568719][  T494]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.568900][  T494]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.569068][  T494]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.569320][  T494]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.569492][  T494]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.569660][  T494]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.569828][  T494]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.570011][  T494]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.570177][  T494]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.570379][  T494]  ? move_addr_to_kernel (net/socket.c:258)
[   16.570549][  T494]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.570793][  T494]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.570978][  T494]  ___sys_sendmsg (net/socket.c:2752)
[   16.571145][  T494]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.571428][  T494]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.571608][  T494]  __sys_sendmsg (net/socket.c:2784)
[   16.571777][  T494]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.571956][  T494]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.572232][  T494]  ? 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)
[   16.572410][  T494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.572581][  T494]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.572749][  T494]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.573008][  T494]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.573177][  T494]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.573380][  T494] RIP: 0033:0x7fcd8aed108e
[   16.573553][  T494] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.574126][  T494] RSP: 002b:00007fff3df0bed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.574444][  T494] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcd8aed108e
[   16.574671][  T494] RDX: 0000000000000000 RSI: 00007fff3df0bf80 RDI: 0000000000000005
[   16.574907][  T494] RBP: 00007fff3df0bee0 R08: 0000000000000000 R09: 0000000000000000
[   16.575214][  T494] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   16.575447][  T494] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3df0c650
| [   16.624331][  T495] ------------[ cut here ]------------
| [   16.624516][  T495] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/495
| [   16.624797][  T495] Modules linked in: ip_gre gre
| [   16.625325][  T495] Tainted: [W]=WARN
[   16.625475][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.625690][  T495] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.626517][  T495] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.627051][  T495] RSP: 0018:ffa000000140ef10 EFLAGS: 00010286
[   16.627267][  T495] RAX: 00000000ffffffa6 RBX: ff1100000d2fcac0 RCX: 1ff4000000281da8
[   16.627526][  T495] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2fcb7c
[   16.627775][  T495] RBP: ff11000010281000 R08: 1fe2200001a5f971 R09: ff1100000fd90b80
[   16.628035][  T495] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   16.628287][  T495] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   16.628545][  T495] FS:  00007f978c8a3840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   16.628827][  T495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.629057][  T495] CR2: 00007f978ca9c460 CR3: 000000000e590006 CR4: 0000000000771ef0
[   16.629316][  T495] PKRU: 55555554
[   16.629465][  T495] Call Trace:
[   16.629611][  T495]  <TASK>
[   16.629727][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.629922][  T495]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   16.630108][  T495]  notifier_call_chain (kernel/notifier.c:85)
[   16.630302][  T495]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   16.630488][  T495]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   16.630670][  T495]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   16.630903][  T495]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   16.631121][  T495]  ? crng_make_state (drivers/char/random.c:383 (discriminator 14))
[   16.631313][  T495]  netif_set_mtu (net/core/dev.c:9910)
[   16.631499][  T495]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   16.631680][  T495]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   16.631869][  T495]  dev_set_mtu (net/core/dev_api.c:249)
[   16.632034][  T495]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   16.632220][  T495]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   16.632411][  T495]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   16.632629][  T495] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   16.632813][  T495]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   16.633041][  T495]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   16.633226][  T495]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   16.633421][  T495]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.633602][  T495]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.633784][  T495]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.633985][  T495]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.634174][  T495]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.634366][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.634549][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.634752][  T495]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.634949][  T495]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.635132][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.635326][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.635510][  T495]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.635694][  T495]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.635877][  T495]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.636072][  T495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.636255][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.636449][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.636631][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.636816][  T495]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.637011][  T495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.637196][  T495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.637391][  T495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.637575][  T495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.637766][  T495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.637964][  T495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.638146][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.638338][  T495]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.638521][  T495]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.638705][  T495]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.638902][  T495]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.639086][  T495]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.639270][  T495]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.639493][  T495]  ? move_addr_to_kernel (net/socket.c:258)
[   16.639681][  T495]  ___sys_sendmsg (net/socket.c:2752)
[   16.639863][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.640059][  T495]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.640249][  T495]  ? 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))
[   16.640442][  T495]  __sys_sendmsg (net/socket.c:2784)
[   16.640630][  T495]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.640816][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.641011][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.641196][  T495]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.641386][  T495]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.641570][  T495]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.641754][  T495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.641982][  T495] RIP: 0033:0x7f978cadd08e
[   16.642174][  T495] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.642706][  T495] RSP: 002b:00007ffe49f825a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.642968][  T495] RAX: ffffffffffffffda RBX: 00007ffe49f82d50 RCX: 00007f978cadd08e
[   16.643226][  T495] RDX: 0000000000000000 RSI: 00007ffe49f82650 RDI: 0000000000000005
[   16.643480][  T495] RBP: 00007ffe49f825b0 R08: 0000000000000000 R09: 0000000000000000
[   16.643727][  T495] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   16.643988][  T495] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe49f82d10
| [   16.645984][  T495] ------------[ cut here ]------------
| [   16.646153][  T495] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/495
| [   16.646430][  T495] Modules linked in: ip_gre gre
| [   16.646931][  T495] Tainted: [W]=WARN
[   16.647075][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.647282][  T495] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.647505][  T495] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.648024][  T495] RSP: 0018:ffa000000140f1b0 EFLAGS: 00010286
[   16.648235][  T495] RAX: 00000000ffffffa6 RBX: ff1100000d2fd8c0 RCX: 1ff4000000281dfc
[   16.648480][  T495] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2fd97c
[   16.648718][  T495] RBP: ff11000010281000 R08: 1fe2200001a5fb31 R09: ff1100000fd90b80
[   16.648965][  T495] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.649202][  T495] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f6d40
[   16.649448][  T495] FS:  00007f978c8a3840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   16.649724][  T495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.649945][  T495] CR2: 00007f978ca9c460 CR3: 000000000e590006 CR4: 0000000000771ef0
[   16.650183][  T495] PKRU: 55555554
[   16.650331][  T495] Call Trace:
[   16.650473][  T495]  <TASK>
[   16.650585][  T495]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.650764][  T495]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.650922][  T495]  __dev_notify_flags (net/core/dev.c:9787)
[   16.651097][  T495]  ? netif_change_name (net/core/dev.c:1495)
[   16.651272][  T495]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   16.651489][  T495]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.651665][  T495]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   16.651842][  T495]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.652030][  T495]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.652207][  T495]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.652397][  T495]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.652579][  T495]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.652755][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.652941][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.653117][  T495]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.653292][  T495]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.653474][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.653656][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.653831][  T495]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.654019][  T495]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.654194][  T495]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.654373][  T495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.654547][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.654723][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.654909][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.655084][  T495]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.655259][  T495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.655442][  T495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.655620][  T495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.655792][  T495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.655981][  T495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.656159][  T495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.656341][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.656518][  T495]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.656693][  T495]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.656869][  T495]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.657056][  T495]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.657231][  T495]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.657413][  T495]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.657618][  T495]  ? move_addr_to_kernel (net/socket.c:258)
[   16.657798][  T495]  ___sys_sendmsg (net/socket.c:2752)
[   16.657985][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.658160][  T495]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.658348][  T495]  ? 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))
[   16.658525][  T495]  __sys_sendmsg (net/socket.c:2784)
[   16.658699][  T495]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.658878][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.659065][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.659242][  T495]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.659422][  T495]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.659596][  T495]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.659771][  T495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.659987][  T495] RIP: 0033:0x7f978cadd08e
[   16.660166][  T495] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.660673][  T495] RSP: 002b:00007ffe49f825a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.660924][  T495] RAX: ffffffffffffffda RBX: 00007ffe49f82d50 RCX: 00007f978cadd08e
[   16.661160][  T495] RDX: 0000000000000000 RSI: 00007ffe49f82650 RDI: 0000000000000005
[   16.661402][  T495] RBP: 00007ffe49f825b0 R08: 0000000000000000 R09: 0000000000000000
[   16.661638][  T495] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   16.661874][  T495] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe49f82d10
| [   16.720954][  T497] ------------[ cut here ]------------
| [   16.721094][  T497] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/497
| [   16.721319][  T497] Modules linked in: ip_gre gre
| [   16.721703][  T497] Tainted: [W]=WARN
[   16.721798][  T497] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.722581][  T497] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.722744][  T497] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.723203][  T497] RSP: 0018:ffa000000142f020 EFLAGS: 00010286
[   16.723365][  T497] RAX: 00000000ffffffa6 RBX: ff1100000f23fe00 RCX: 1ff4000000285dca
[   16.723550][  T497] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23febc
[   16.723736][  T497] RBP: ff11000010281000 R08: 1fe2200001e47fd9 R09: ff1100000f5b5158
[   16.723928][  T497] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   16.724115][  T497] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.724306][  T497] FS:  00007fa7f66d6840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   16.724525][  T497] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.724681][  T497] CR2: 00000000168b2988 CR3: 000000000f17f002 CR4: 0000000000771ef0
[   16.724872][  T497] PKRU: 55555554
[   16.724972][  T497] Call Trace:
[   16.725066][  T497]  <TASK>
[   16.725132][  T497]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.725260][  T497]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.725360][  T497]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.725485][  T497]  __dev_notify_flags (net/core/dev.c:9787)
[   16.725612][  T497]  ? netif_change_name (net/core/dev.c:1495)
[   16.725740][  T497]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.725866][  T497]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.725997][  T497]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.726122][  T497]  ? 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))
[   16.726252][  T497]  netif_change_flags (net/core/dev.c:9820)
[   16.726385][  T497]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   16.726511][  T497]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.726638][  T497]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.726765][  T497]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.726924][  T497]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.727049][  T497]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.727176][  T497]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.727304][  T497]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.727430][  T497]  ? __kernel_text_address (kernel/extable.c:79)
[   16.727556][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.727683][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.727808][  T497]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.727940][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.728066][  T497]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.728191][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.728322][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.728446][  T497]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.728571][  T497]  ? __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)
[   16.728696][  T497]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.728822][  T497]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.728955][  T497]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.729084][  T497]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.729212][  T497]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.729342][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.729467][  T497]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.729592][  T497]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.729715][  T497]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.729838][  T497]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.729971][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.730098][  T497]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.730224][  T497]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.730355][  T497]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.730482][  T497]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.730609][  T497]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.730734][  T497]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.730858][  T497]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.730989][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.731116][  T497]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.731242][  T497]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.731372][  T497]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.731497][  T497]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.731624][  T497]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.731755][  T497]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.731879][  T497]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.732014][  T497]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.732142][  T497]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.732268][  T497]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.732399][  T497]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.732525][  T497]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.732652][  T497]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.732779][  T497]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.732909][  T497]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.733037][  T497]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.733194][  T497]  ? move_addr_to_kernel (net/socket.c:258)
[   16.733324][  T497]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.733448][  T497]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.733574][  T497]  ___sys_sendmsg (net/socket.c:2752)
[   16.733698][  T497]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.733891][  T497]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.734028][  T497]  __sys_sendmsg (net/socket.c:2784)
[   16.734154][  T497]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.734279][  T497]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.734441][  T497]  ? 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)
[   16.734566][  T497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.734692][  T497]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.734818][  T497]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.734950][  T497]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.735076][  T497]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.735231][  T497] RIP: 0033:0x7fa7f691008e
[   16.735367][  T497] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.735813][  T497] RSP: 002b:00007fff7bb13270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.736008][  T497] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa7f691008e
[   16.736198][  T497] RDX: 0000000000000000 RSI: 00007fff7bb13320 RDI: 0000000000000005
[   16.736389][  T497] RBP: 00007fff7bb13280 R08: 0000000000000000 R09: 0000000000000000
[   16.736578][  T497] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec15
[   16.736765][  T497] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7bb139f0
| [   16.826106][  T505] ------------[ cut here ]------------
| [   16.826317][  T505] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/505
| [   16.826597][  T505] Modules linked in: ip_gre gre
| [   16.828075][  T505] Tainted: [W]=WARN
[   16.828337][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.828659][  T505] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.828998][  T505] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.829621][  T505] RSP: 0018:ffa000000148f020 EFLAGS: 00010286
[   16.829927][  T505] RAX: 00000000ffffffa6 RBX: ff1100000c990740 RCX: 1ff4000000291dca
[   16.830269][  T505] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9907fc
[   16.830593][  T505] RBP: ff11000010281000 R08: 1fe2200001932101 R09: ff110000100ad158
[   16.830920][  T505] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   16.831241][  T505] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.831559][  T505] FS:  00007f137f38a840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   16.831938][  T505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.832243][  T505] CR2: 0000000006052988 CR3: 000000000e07b004 CR4: 0000000000771ef0
[   16.832568][  T505] PKRU: 55555554
[   16.832793][  T505] Call Trace:
[   16.833045][  T505]  <TASK>
[   16.833243][  T505]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.833483][  T505]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.833627][  T505]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.833802][  T505]  __dev_notify_flags (net/core/dev.c:9787)
[   16.833992][  T505]  ? netif_change_name (net/core/dev.c:1495)
[   16.834167][  T505]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   16.834351][  T505]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.834527][  T505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.834704][  T505]  ? 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))
[   16.834896][  T505]  netif_change_flags (net/core/dev.c:9820)
[   16.835075][  T505]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   16.835251][  T505]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.835438][  T505]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.835617][  T505]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.835824][  T505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.836013][  T505]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.836188][  T505]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.836368][  T505]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.836547][  T505]  ? __kernel_text_address (kernel/extable.c:79)
[   16.836724][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.836912][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.837088][  T505]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.837263][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.837442][  T505]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.837614][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.837788][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.837979][  T505]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.838156][  T505]  ? __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)
[   16.838339][  T505]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.838516][  T505]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.838692][  T505]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.838870][  T505]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.839062][  T505]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.839242][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.839423][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.839599][  T505]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.839777][  T505]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.839966][  T505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.840148][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.840330][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.840508][  T505]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.840685][  T505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.840864][  T505]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.841053][  T505]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.841233][  T505]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.841416][  T505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.841591][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.841768][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.841956][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.842132][  T505]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.842314][  T505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.842492][  T505]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.842674][  T505]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.842848][  T505]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.843035][  T505]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.843212][  T505]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.843395][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.843571][  T505]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.843749][  T505]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.843937][  T505]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.844120][  T505]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.844303][  T505]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.844476][  T505]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.844681][  T505]  ? move_addr_to_kernel (net/socket.c:258)
[   16.844896][  T505]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.845071][  T505]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.845248][  T505]  ___sys_sendmsg (net/socket.c:2752)
[   16.845430][  T505]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.845636][  T505]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.845821][  T505]  __sys_sendmsg (net/socket.c:2784)
[   16.846009][  T505]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.846183][  T505]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.846399][  T505]  ? 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)
[   16.846575][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.846753][  T505]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.846935][  T505]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.847110][  T505]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.847286][  T505]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.847495][  T505] RIP: 0033:0x7f137f5c408e
[   16.847676][  T505] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.848194][  T505] RSP: 002b:00007ffc19c737f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.848440][  T505] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f137f5c408e
[   16.848677][  T505] RDX: 0000000000000000 RSI: 00007ffc19c738a0 RDI: 0000000000000005
[   16.848930][  T505] RBP: 00007ffc19c73800 R08: 0000000000000000 R09: 0000000000000000
[   16.849168][  T505] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   16.849413][  T505] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc19c73f70
| [   16.929381][  T507] ------------[ cut here ]------------
| [   16.929528][  T507] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/507
| [   16.929748][  T507] Modules linked in: ip_gre gre
| [   16.930146][  T507] Tainted: [W]=WARN
[   16.930241][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.930404][  T507] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.930568][  T507] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.931021][  T507] RSP: 0018:ffa00000014af020 EFLAGS: 00010286
[   16.931181][  T507] RAX: 00000000ffffffa6 RBX: ff1100000d3563c0 RCX: 1ff4000000295dca
[   16.931372][  T507] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d35647c
[   16.931558][  T507] RBP: ff11000010281000 R08: 1fe2200001a6ac91 R09: ff110000100a8b58
[   16.931748][  T507] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   16.931942][  T507] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.932133][  T507] FS:  00007fefef102840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   16.932359][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.932520][  T507] CR2: 00007fefef3d21a0 CR3: 000000000f187003 CR4: 0000000000771ef0
[   16.932711][  T507] PKRU: 55555554
[   16.932806][  T507] Call Trace:
[   16.932907][  T507]  <TASK>
[   16.932973][  T507]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.933103][  T507]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.933201][  T507]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.933332][  T507]  __dev_notify_flags (net/core/dev.c:9787)
[   16.933460][  T507]  ? netif_change_name (net/core/dev.c:1495)
[   16.933589][  T507]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.933717][  T507]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.933844][  T507]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.933977][  T507]  ? 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))
[   16.934107][  T507]  netif_change_flags (net/core/dev.c:9820)
[   16.934234][  T507]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   16.934367][  T507]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.934499][  T507]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.934626][  T507]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.934785][  T507]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.934917][  T507]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.935046][  T507]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.935172][  T507]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.935305][  T507]  ? __kernel_text_address (kernel/extable.c:79)
[   16.935432][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.935559][  T507]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.935685][  T507]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.935812][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.936390][  T507]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.936517][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.936643][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.936770][  T507]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.936903][  T507]  ? __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)
[   16.937032][  T507]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.937160][  T507]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.937289][  T507]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.937423][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.937552][  T507]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.937680][  T507]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.937807][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.937942][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.938070][  T507]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.938197][  T507]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.938331][  T507]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.938459][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.938585][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.938712][  T507]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.938839][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.938972][  T507]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.939097][  T507]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.939222][  T507]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.939354][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.939483][  T507]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.939609][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.939738][  T507]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.939865][  T507]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.939996][  T507]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.940126][  T507]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.940252][  T507]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.940387][  T507]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.940516][  T507]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.940645][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.940773][  T507]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.940904][  T507]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.941032][  T507]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.941160][  T507]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.941289][  T507]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.941420][  T507]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.941576][  T507]  ? move_addr_to_kernel (net/socket.c:258)
[   16.941706][  T507]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.941833][  T507]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.941965][  T507]  ___sys_sendmsg (net/socket.c:2752)
[   16.942094][  T507]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.942254][  T507]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.942399][  T507]  __sys_sendmsg (net/socket.c:2784)
[   16.942528][  T507]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.942657][  T507]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.942819][  T507]  ? 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)
[   16.942955][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.943084][  T507]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.943213][  T507]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.943347][  T507]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.943475][  T507]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.943634][  T507] RIP: 0033:0x7fefef33c08e
[   16.943769][  T507] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.944231][  T507] RSP: 002b:00007fffc45937c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.944428][  T507] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fefef33c08e
[   16.944623][  T507] RDX: 0000000000000000 RSI: 00007fffc4593870 RDI: 0000000000000005
[   16.944815][  T507] RBP: 00007fffc45937d0 R08: 0000000000000000 R09: 0000000000000000
[   16.945011][  T507] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   16.945203][  T507] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc4593f40
| [   17.066405][  T516] ------------[ cut here ]------------
| [   17.066548][  T516] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/516
| [   17.066766][  T516] Modules linked in: ip_gre gre
| [   17.067150][  T516] Tainted: [W]=WARN
[   17.067243][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.067402][  T516] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.067564][  T516] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.068010][  T516] RSP: 0018:ffa000000152f060 EFLAGS: 00010286
[   17.068166][  T516] RAX: 00000000ffffffa6 RBX: ff110000052ea3c0 RCX: 1ff40000002a5dd2
[   17.068356][  T516] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052ea47c
[   17.068544][  T516] RBP: ff11000010281000 R08: 1fe2200000a5d491 R09: ff11000009c7ae58
[   17.068733][  T516] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   17.068927][  T516] R13: 0000000000000000 R14: 0000000000000000 R15: ffa000000152f0f8
[   17.069141][  T516] FS:  00007fe4301c9840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   17.069367][  T516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.069527][  T516] CR2: 000000003e5be988 CR3: 000000000f797005 CR4: 0000000000771ef0
[   17.069715][  T516] PKRU: 55555554
[   17.069809][  T516] Call Trace:
[   17.069908][  T516]  <TASK>
[   17.069973][  T516]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.070099][  T516]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.070193][  T516]  netif_close_many (net/core/dev.c:1804)
[   17.070324][  T516]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.070446][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.070571][  T516]  ? __dev_close_many (net/core/dev.c:1781)
[   17.070694][  T516]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   17.070849][  T516]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   17.071300][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.071428][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.071551][  T516]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.071704][  T516]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.071829][  T516]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.071958][  T516]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.072110][  T516]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   17.072236][  T516]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   17.072362][  T516]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   17.072487][  T516]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   17.072611][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.072735][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.072860][  T516]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.072988][  T516]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.073112][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.073253][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.073385][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.073509][  T516]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.073634][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.073757][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.073881][  T516]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   17.074014][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.074136][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.074259][  T516]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.074386][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.074514][  T516]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.074638][  T516]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.074762][  T516]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.074890][  T516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.075014][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.075140][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.075263][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.075395][  T516]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.075520][  T516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.075645][  T516]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.075772][  T516]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.075898][  T516]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.076023][  T516]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.076149][  T516]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.076274][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.076403][  T516]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.076530][  T516]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.076655][  T516]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.076781][  T516]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.076912][  T516]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.077035][  T516]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.077189][  T516]  ? move_addr_to_kernel (net/socket.c:258)
[   17.077319][  T516]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.077445][  T516]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.077571][  T516]  ___sys_sendmsg (net/socket.c:2752)
[   17.077694][  T516]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.077849][  T516]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.077990][  T516]  __sys_sendmsg (net/socket.c:2784)
[   17.078113][  T516]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.078237][  T516]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.078396][  T516]  ? 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)
[   17.078521][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.078644][  T516]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.078770][  T516]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.078898][  T516]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.079022][  T516]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.079174][  T516] RIP: 0033:0x7fe43040308e
[   17.079310][  T516] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.079756][  T516] RSP: 002b:00007ffeded54c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.079953][  T516] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe43040308e
[   17.080139][  T516] RDX: 0000000000000000 RSI: 00007ffeded54cf0 RDI: 0000000000000005
[   17.080330][  T516] RBP: 00007ffeded54c50 R08: 0000000000000000 R09: 0000000000000000
[   17.080514][  T516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   17.080701][  T516] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeded553c0
| [   17.084347][  T516] ------------[ cut here ]------------
| [   17.084472][  T516] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/516
| [   17.084675][  T516] Modules linked in: ip_gre gre
| [   17.085045][  T516] Tainted: [W]=WARN
[   17.085136][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.085284][  T516] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.085445][  T516] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.085873][  T516] RSP: 0018:ffa000000152f190 EFLAGS: 00010286
[   17.086030][  T516] RAX: 00000000ffffffa6 RBX: ff110000052ea200 RCX: 1ff40000002a5df8
[   17.086209][  T516] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052ea2bc
[   17.086395][  T516] RBP: ff11000010281000 R08: 1fe2200000a5d459 R09: ff11000009c7ae58
[   17.086571][  T516] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   17.086748][  T516] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.086931][  T516] FS:  00007fe4301c9840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   17.087140][  T516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.087289][  T516] CR2: 000000003e5be988 CR3: 000000000f797005 CR4: 0000000000771ef0
[   17.087473][  T516] PKRU: 55555554
[   17.087563][  T516] Call Trace:
[   17.087652][  T516]  <TASK>
[   17.087715][  T516]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.087866][  T516]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.088020][  T516]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.088140][  T516]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.088258][  T516]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.088413][  T516]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   17.088533][  T516]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   17.088652][  T516]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   17.088771][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.088896][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.089017][  T516]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.089137][  T516]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.089261][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.089404][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.089523][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.089642][  T516]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.089761][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.089881][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.090014][  T516]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   17.090136][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.090256][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.090381][  T516]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.090501][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.090622][  T516]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.090741][  T516]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.090862][  T516]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.090986][  T516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.091106][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.091227][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.091351][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.091471][  T516]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.091590][  T516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.091709][  T516]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.091832][  T516]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.091956][  T516]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.092076][  T516]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.092196][  T516]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.092403][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.092524][  T516]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.092644][  T516]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.092764][  T516]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.092969][  T516]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.093089][  T516]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.093208][  T516]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.093436][  T516]  ? move_addr_to_kernel (net/socket.c:258)
[   17.093557][  T516]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.093677][  T516]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.093798][  T516]  ___sys_sendmsg (net/socket.c:2752)
[   17.093923][  T516]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.094071][  T516]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.094201][  T516]  __sys_sendmsg (net/socket.c:2784)
[   17.094326][  T516]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.094520][  T516]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.094671][  T516]  ? 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)
[   17.094790][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.094920][  T516]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.095115][  T516]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.095234][  T516]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.095359][  T516]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.095508][  T516] RIP: 0033:0x7fe43040308e
[   17.095715][  T516] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.096229][  T516] RSP: 002b:00007ffeded54c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.096415][  T516] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe43040308e
[   17.096593][  T516] RDX: 0000000000000000 RSI: 00007ffeded54cf0 RDI: 0000000000000005
[   17.096848][  T516] RBP: 00007ffeded54c50 R08: 0000000000000000 R09: 0000000000000000
[   17.097032][  T516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   17.097212][  T516] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeded553c0
| [   17.142686][  T517] ------------[ cut here ]------------
| [   17.142836][  T517] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/517
| [   17.143582][  T517] Modules linked in: ip_gre gre
| [   17.144009][  T517] Tainted: [W]=WARN
[   17.144114][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.144285][  T517] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.144465][  T517] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.144949][  T517] RSP: 0018:ffa000000153ef10 EFLAGS: 00010286
[   17.145118][  T517] RAX: 00000000ffffffa6 RBX: ff1100000c108580 RCX: 1ff40000002a7da8
[   17.145322][  T517] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c10863c
[   17.145525][  T517] RBP: ff1100000bfc4000 R08: 1fe22000018210c9 R09: ff11000009c7d180
[   17.145724][  T517] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   17.145931][  T517] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   17.146132][  T517] FS:  00007f9d47efc840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   17.146373][  T517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.146542][  T517] CR2: 000000000042f320 CR3: 000000000f796001 CR4: 0000000000771ef0
[   17.146744][  T517] PKRU: 55555554
[   17.146845][  T517] Call Trace:
[   17.146951][  T517]  <TASK>
[   17.147021][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.147156][  T517]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   17.147291][  T517]  notifier_call_chain (kernel/notifier.c:85)
[   17.147435][  T517]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   17.147572][  T517]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   17.147706][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.147842][  T517]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   17.147983][  T517]  ? crng_make_state (drivers/char/random.c:383 (discriminator 14))
[   17.148122][  T517]  netif_set_mtu (net/core/dev.c:9910)
[   17.148256][  T517]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   17.148403][  T517]  dev_set_mtu (net/core/dev_api.c:249)
[   17.148507][  T517]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   17.148643][  T517]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   17.148778][  T517]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   17.148955][  T517] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   17.149091][  T517]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   17.149264][  T517]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   17.149406][  T517]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   17.149543][  T517]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.149678][  T517]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.149813][  T517]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.149959][  T517]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.150099][  T517]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.150238][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.150378][  T517]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.150513][  T517]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.150647][  T517]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.150782][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.150927][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.151063][  T517]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.151199][  T517]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.151337][  T517]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.151474][  T517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.151609][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.151745][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.151878][  T517]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.152017][  T517]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.152151][  T517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.152285][  T517]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.152426][  T517]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.152560][  T517]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.152696][  T517]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.152833][  T517]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.152976][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.153112][  T517]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.153250][  T517]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.153390][  T517]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.153529][  T517]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.153664][  T517]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.153799][  T517]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.153973][  T517]  ? move_addr_to_kernel (net/socket.c:258)
[   17.154114][  T517]  ___sys_sendmsg (net/socket.c:2752)
[   17.154248][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.154387][  T517]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.154531][  T517]  ? 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))
[   17.154669][  T517]  __sys_sendmsg (net/socket.c:2784)
[   17.154804][  T517]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.154948][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.155085][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.155222][  T517]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.155362][  T517]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.155497][  T517]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.155633][  T517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.155800][  T517] RIP: 0033:0x7f9d4813608e
[   17.155948][  T517] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.156432][  T517] RSP: 002b:00007ffcc23f3eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.156634][  T517] RAX: ffffffffffffffda RBX: 00007ffcc23f4660 RCX: 00007f9d4813608e
[   17.156836][  T517] RDX: 0000000000000000 RSI: 00007ffcc23f3f60 RDI: 0000000000000005
[   17.157044][  T517] RBP: 00007ffcc23f3ec0 R08: 0000000000000000 R09: 0000000000000000
[   17.157245][  T517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   17.157452][  T517] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc23f4620
| [   17.159019][  T517] ------------[ cut here ]------------
| [   17.159149][  T517] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/517
| [   17.159368][  T517] Modules linked in: ip_gre gre
| [   17.159758][  T517] Tainted: [W]=WARN
[   17.159856][  T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.160025][  T517] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.160193][  T517] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.160653][  T517] RSP: 0018:ffa000000153f1b0 EFLAGS: 00010286
[   17.160815][  T517] RAX: 00000000ffffffa6 RBX: ff1100000c109c40 RCX: 1ff40000002a7dfc
[   17.161015][  T517] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c109cfc
[   17.161208][  T517] RBP: ff1100000bfc4000 R08: 1fe22000018213a1 R09: ff11000009c7d180
[   17.161404][  T517] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   17.161597][  T517] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f6d40
[   17.161794][  T517] FS:  00007f9d47efc840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   17.162024][  T517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.162185][  T517] CR2: 000000000042f320 CR3: 000000000f796001 CR4: 0000000000771ef0
[   17.162382][  T517] PKRU: 55555554
[   17.162479][  T517] Call Trace:
[   17.162575][  T517]  <TASK>
[   17.162643][  T517]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.162774][  T517]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.162872][  T517]  __dev_notify_flags (net/core/dev.c:9787)
[   17.163008][  T517]  ? netif_change_name (net/core/dev.c:1495)
[   17.163137][  T517]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   17.163306][  T517]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   17.163438][  T517]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   17.163572][  T517]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.163702][  T517]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.163834][  T517]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.163977][  T517]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.164113][  T517]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.164246][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.164382][  T517]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.164511][  T517]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.164643][  T517]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.164773][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.164914][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.165047][  T517]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.165179][  T517]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.165314][  T517]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.165444][  T517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.165575][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.165709][  T517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.165840][  T517]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.165977][  T517]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.166108][  T517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.166239][  T517]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.166376][  T517]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.166507][  T517]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.166641][  T517]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.166773][  T517]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.166911][  T517]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.167043][  T517]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.167175][  T517]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.167311][  T517]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.167444][  T517]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.167574][  T517]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.167706][  T517]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.167867][  T517]  ? move_addr_to_kernel (net/socket.c:258)
[   17.168008][  T517]  ___sys_sendmsg (net/socket.c:2752)
[   17.168137][  T517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.168268][  T517]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.168413][  T517]  ? 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))
[   17.168545][  T517]  __sys_sendmsg (net/socket.c:2784)
[   17.168675][  T517]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.168808][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.168942][  T517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.169074][  T517]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.169204][  T517]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.169339][  T517]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.169470][  T517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.169632][  T517] RIP: 0033:0x7f9d4813608e
[   17.169766][  T517] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.170232][  T517] RSP: 002b:00007ffcc23f3eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.170431][  T517] RAX: ffffffffffffffda RBX: 00007ffcc23f4660 RCX: 00007f9d4813608e
[   17.170625][  T517] RDX: 0000000000000000 RSI: 00007ffcc23f3f60 RDI: 0000000000000005
[   17.170820][  T517] RBP: 00007ffcc23f3ec0 R08: 0000000000000000 R09: 0000000000000000
[   17.171018][  T517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   17.171211][  T517] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc23f4620
| [   17.234975][  T519] ------------[ cut here ]------------
| [   17.235122][  T519] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/519
| [   17.235350][  T519] Modules linked in: ip_gre gre
| [   17.235744][  T519] Tainted: [W]=WARN
[   17.235841][  T519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.236007][  T519] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.236174][  T519] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.236630][  T519] RSP: 0018:ffa000000155f020 EFLAGS: 00010286
[   17.236792][  T519] RAX: 00000000ffffffa6 RBX: ff1100000c108040 RCX: 1ff40000002abdca
[   17.236989][  T519] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1080fc
[   17.237181][  T519] RBP: ff1100000bfc4000 R08: 1fe2200001821021 R09: ff1100000f0f8b58
[   17.237376][  T519] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   17.237568][  T519] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   17.237762][  T519] FS:  00007fc664b38840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   17.237994][  T519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.238156][  T519] CR2: 0000000026c94988 CR3: 000000000fe0c004 CR4: 0000000000771ef0
[   17.238355][  T519] PKRU: 55555554
[   17.238451][  T519] Call Trace:
[   17.238547][  T519]  <TASK>
[   17.238614][  T519]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.238744][  T519]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.238842][  T519]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.238976][  T519]  __dev_notify_flags (net/core/dev.c:9787)
[   17.239106][  T519]  ? netif_change_name (net/core/dev.c:1495)
[   17.239236][  T519]  ? __dev_change_flags (net/core/dev.c:9752)
[   17.239370][  T519]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.239498][  T519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.239626][  T519]  ? 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))
[   17.239756][  T519]  netif_change_flags (net/core/dev.c:9820)
[   17.239891][  T519]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   17.240021][  T519]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.240152][  T519]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.240281][  T519]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.240448][  T519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.240575][  T519]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.240703][  T519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.240831][  T519]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.240968][  T519]  ? __kernel_text_address (kernel/extable.c:79)
[   17.241101][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.241232][  T519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.241366][  T519]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.241495][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.241625][  T519]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.241754][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.241889][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.242018][  T519]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.242149][  T519]  ? __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)
[   17.242278][  T519]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.242414][  T519]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.242547][  T519]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.242678][  T519]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.242811][  T519]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.243509][  T519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.243638][  T519]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.243765][  T519]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.243898][  T519]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.244028][  T519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.244161][  T519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.244289][  T519]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.244424][  T519]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.244554][  T519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.244685][  T519]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.244814][  T519]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.244948][  T519]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.245077][  T519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.245205][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.245341][  T519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.245469][  T519]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.245598][  T519]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.245727][  T519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.245856][  T519]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.245994][  T519]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.246121][  T519]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.246253][  T519]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.246389][  T519]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.246520][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.246651][  T519]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.246781][  T519]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.246918][  T519]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.247049][  T519]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.247180][  T519]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.247311][  T519]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.247474][  T519]  ? move_addr_to_kernel (net/socket.c:258)
[   17.247605][  T519]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.247735][  T519]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.247867][  T519]  ___sys_sendmsg (net/socket.c:2752)
[   17.248002][  T519]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.248164][  T519]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.248309][  T519]  __sys_sendmsg (net/socket.c:2784)
[   17.248440][  T519]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.248567][  T519]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.248730][  T519]  ? 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)
[   17.248861][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.248996][  T519]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.249126][  T519]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.249256][  T519]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.249391][  T519]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.249551][  T519] RIP: 0033:0x7fc664d7208e
[   17.249685][  T519] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.250149][  T519] RSP: 002b:00007fff28cfacc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.250351][  T519] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc664d7208e
[   17.250544][  T519] RDX: 0000000000000000 RSI: 00007fff28cfad70 RDI: 0000000000000005
[   17.250736][  T519] RBP: 00007fff28cfacd0 R08: 0000000000000000 R09: 0000000000000000
[   17.250933][  T519] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   17.251126][  T519] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff28cfb440
| [   17.351854][  T527] ------------[ cut here ]------------
| [   17.352766][  T527] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/527
| [   17.353073][  T527] Modules linked in: ip_gre gre
| [   17.353473][  T527] Tainted: [W]=WARN
[   17.353571][  T527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.353734][  T527] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.353981][  T527] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.354439][  T527] RSP: 0018:ffa00000015df020 EFLAGS: 00010286
[   17.354601][  T527] RAX: 00000000ffffffa6 RBX: ff110000097c3700 RCX: 1ff40000002bbdca
[   17.354796][  T527] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c37bc
[   17.355075][  T527] RBP: ff1100000bfc4000 R08: 1fe22000012f86f9 R09: ff11000010750b58
[   17.355270][  T527] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   17.355464][  T527] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   17.355657][  T527] FS:  00007f8bb07f5840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   17.355963][  T527] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.356128][  T527] CR2: 0000000011dfd988 CR3: 00000000055a5004 CR4: 0000000000771ef0
[   17.356327][  T527] PKRU: 55555554
[   17.356423][  T527] Call Trace:
[   17.356521][  T527]  <TASK>
[   17.356588][  T527]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.356719][  T527]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.356817][  T527]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.356952][  T527]  __dev_notify_flags (net/core/dev.c:9787)
[   17.357084][  T527]  ? netif_change_name (net/core/dev.c:1495)
[   17.357212][  T527]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   17.357342][  T527]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.357469][  T527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.357597][  T527]  ? 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))
[   17.357728][  T527]  netif_change_flags (net/core/dev.c:9820)
[   17.357855][  T527]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   17.357989][  T527]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.358122][  T527]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.358252][  T527]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.358417][  T527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.358544][  T527]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.358672][  T527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.358800][  T527]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.358938][  T527]  ? __kernel_text_address (kernel/extable.c:79)
[   17.359068][  T527]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.359198][  T527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.359333][  T527]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.359461][  T527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.359589][  T527]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.359715][  T527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.359843][  T527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.359977][  T527]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.360106][  T527]  ? __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)
[   17.360236][  T527]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.360369][  T527]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.360500][  T527]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.360632][  T527]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.360762][  T527]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.360899][  T527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.361027][  T527]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.361155][  T527]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.361281][  T527]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.361414][  T527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.361544][  T527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.361671][  T527]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.361798][  T527]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.361930][  T527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.362061][  T527]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.362189][  T527]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.362321][  T527]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.362448][  T527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.362576][  T527]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.362704][  T527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.362831][  T527]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.362964][  T527]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.363094][  T527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.363221][  T527]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.363358][  T527]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.363485][  T527]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.363615][  T527]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.363744][  T527]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.363872][  T527]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.364008][  T527]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.364137][  T527]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.364267][  T527]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.364402][  T527]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.364530][  T527]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.364658][  T527]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.364817][  T527]  ? move_addr_to_kernel (net/socket.c:258)
[   17.364951][  T527]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.365079][  T527]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.365208][  T527]  ___sys_sendmsg (net/socket.c:2752)
[   17.365338][  T527]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.365497][  T527]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.365637][  T527]  __sys_sendmsg (net/socket.c:2784)
[   17.365764][  T527]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.365897][  T527]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.366059][  T527]  ? 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)
[   17.366188][  T527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.366320][  T527]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.366448][  T527]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.366575][  T527]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.366704][  T527]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.366862][  T527] RIP: 0033:0x7f8bb0a2f08e
[   17.367002][  T527] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.367461][  T527] RSP: 002b:00007ffd1a1238f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.367654][  T527] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8bb0a2f08e
[   17.367846][  T527] RDX: 0000000000000000 RSI: 00007ffd1a1239a0 RDI: 0000000000000005
[   17.368041][  T527] RBP: 00007ffd1a123900 R08: 0000000000000000 R09: 0000000000000000
[   17.368231][  T527] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   17.368427][  T527] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1a124070
| [   17.429727][  T529] ------------[ cut here ]------------
| [   17.429870][  T529] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/529
| [   17.430101][  T529] Modules linked in: ip_gre gre
| [   17.430493][  T529] Tainted: [W]=WARN
[   17.430589][  T529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.430747][  T529] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.430915][  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
[   17.431366][  T529] RSP: 0018:ffa00000015ff020 EFLAGS: 00010286
[   17.431523][  T529] RAX: 00000000ffffffa6 RBX: ff1100000d162200 RCX: 1ff40000002bfdca
[   17.431712][  T529] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1622bc
[   17.431902][  T529] RBP: ff1100000bfc4000 R08: 1fe2200001a2c459 R09: ff1100000a928b58
[   17.432089][  T529] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   17.432275][  T529] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   17.432467][  T529] FS:  00007fcc7b7a1840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   17.432685][  T529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.432842][  T529] CR2: 00007fcc7ba711a0 CR3: 0000000010946004 CR4: 0000000000771ef0
[   17.433038][  T529] PKRU: 55555554
[   17.433132][  T529] Call Trace:
[   17.433226][  T529]  <TASK>
[   17.433292][  T529]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.433423][  T529]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.433519][  T529]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.433645][  T529]  __dev_notify_flags (net/core/dev.c:9787)
[   17.433772][  T529]  ? netif_change_name (net/core/dev.c:1495)
[   17.434580][  T529]  ? __dev_change_flags (net/core/dev.c:9752)
[   17.434708][  T529]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.434834][  T529]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.434966][  T529]  ? 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))
[   17.435094][  T529]  netif_change_flags (net/core/dev.c:9820)
[   17.435222][  T529]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   17.435353][  T529]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.435482][  T529]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.435611][  T529]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.435771][  T529]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.435900][  T529]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.436025][  T529]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.436149][  T529]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.436276][  T529]  ? __kernel_text_address (kernel/extable.c:79)
[   17.436405][  T529]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.436532][  T529]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.436659][  T529]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.436785][  T529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.436917][  T529]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.437042][  T529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.437168][  T529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.437294][  T529]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.437425][  T529]  ? __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)
[   17.437553][  T529]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.437678][  T529]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.437804][  T529]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.437936][  T529]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.438066][  T529]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.438193][  T529]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.438322][  T529]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.438448][  T529]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.438575][  T529]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.438701][  T529]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.438829][  T529]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.438959][  T529]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.439085][  T529]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.439210][  T529]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.439339][  T529]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.439466][  T529]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.439594][  T529]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.439721][  T529]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.439847][  T529]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.439981][  T529]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.440105][  T529]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.440233][  T529]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.440367][  T529]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.440495][  T529]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.440626][  T529]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.440751][  T529]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.440878][  T529]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.441011][  T529]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.441137][  T529]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.441265][  T529]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.441397][  T529]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.441525][  T529]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.441653][  T529]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.441781][  T529]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.441914][  T529]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.442070][  T529]  ? move_addr_to_kernel (net/socket.c:258)
[   17.442197][  T529]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.442328][  T529]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.442457][  T529]  ___sys_sendmsg (net/socket.c:2752)
[   17.442583][  T529]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.442738][  T529]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.442876][  T529]  __sys_sendmsg (net/socket.c:2784)
[   17.443008][  T529]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.443132][  T529]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.443290][  T529]  ? 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)
[   17.443421][  T529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.443547][  T529]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.443672][  T529]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.443797][  T529]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.443928][  T529]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.444084][  T529] RIP: 0033:0x7fcc7b9db08e
[   17.444216][  T529] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.444667][  T529] RSP: 002b:00007ffd8250aff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.444856][  T529] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcc7b9db08e
[   17.445049][  T529] RDX: 0000000000000000 RSI: 00007ffd8250b0a0 RDI: 0000000000000005
[   17.445238][  T529] RBP: 00007ffd8250b000 R08: 0000000000000000 R09: 0000000000000000
[   17.445425][  T529] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   17.445613][  T529] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8250b770
| [   17.597232][  T538] ------------[ cut here ]------------
| [   17.597400][  T538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/538
| [   17.597625][  T538] Modules linked in: ip_gre gre
| [   17.598684][  T538] Tainted: [W]=WARN
[   17.598783][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.599021][  T538] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.599187][  T538] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.599642][  T538] RSP: 0018:ffa000000167f060 EFLAGS: 00010286
[   17.599799][  T538] RAX: 00000000ffffffa6 RBX: ff110000097c2200 RCX: 1ff40000002cfdd2
[   17.599989][  T538] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c22bc
[   17.600174][  T538] RBP: ff1100000bfc4000 R08: 1fe22000012f8459 R09: ff11000009bbae58
[   17.600366][  T538] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   17.600550][  T538] R13: 0000000000000000 R14: 0000000000000000 R15: ffa000000167f0f8
[   17.600736][  T538] FS:  00007f99e4b2b840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   17.600962][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.601118][  T538] CR2: 000000002e2e5988 CR3: 0000000009bb5003 CR4: 0000000000771ef0
[   17.601311][  T538] PKRU: 55555554
[   17.601404][  T538] Call Trace:
[   17.601497][  T538]  <TASK>
[   17.601561][  T538]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.601687][  T538]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.601782][  T538]  netif_close_many (net/core/dev.c:1804)
[   17.601914][  T538]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.602039][  T538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.602165][  T538]  ? __dev_close_many (net/core/dev.c:1781)
[   17.602291][  T538]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   17.602456][  T538]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   17.602615][  T538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.602741][  T538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.602865][  T538]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.603026][  T538]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.603152][  T538]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.603277][  T538]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.603439][  T538]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   17.603565][  T538]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   17.603691][  T538]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   17.603817][  T538]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   17.603948][  T538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.604074][  T538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.604197][  T538]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.604327][  T538]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.604452][  T538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.604593][  T538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.604716][  T538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.604842][  T538]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.604971][  T538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.605096][  T538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.605220][  T538]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   17.605353][  T538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.605477][  T538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.605601][  T538]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.605728][  T538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.605853][  T538]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.605984][  T538]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.606109][  T538]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.606234][  T538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.606362][  T538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.606489][  T538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.606612][  T538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.606738][  T538]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.606863][  T538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.606991][  T538]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.607119][  T538]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.607243][  T538]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.607375][  T538]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.607501][  T538]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.607629][  T538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.607754][  T538]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.607879][  T538]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.608010][  T538]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.608137][  T538]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.608262][  T538]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.608390][  T538]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.608544][  T538]  ? move_addr_to_kernel (net/socket.c:258)
[   17.608672][  T538]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.608798][  T538]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.608929][  T538]  ___sys_sendmsg (net/socket.c:2752)
[   17.609053][  T538]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.609207][  T538]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.609348][  T538]  __sys_sendmsg (net/socket.c:2784)
[   17.609471][  T538]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.609596][  T538]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.609752][  T538]  ? 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)
[   17.609876][  T538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.610006][  T538]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.610131][  T538]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.610257][  T538]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.610388][  T538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.610546][  T538] RIP: 0033:0x7f99e4d6508e
[   17.610677][  T538] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.611128][  T538] RSP: 002b:00007ffeea4bffe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.611319][  T538] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f99e4d6508e
[   17.611507][  T538] RDX: 0000000000000000 RSI: 00007ffeea4c0090 RDI: 0000000000000005
[   17.611693][  T538] RBP: 00007ffeea4bfff0 R08: 0000000000000000 R09: 0000000000000000
[   17.611879][  T538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   17.612071][  T538] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeea4c0760
| [   17.615957][  T538] ------------[ cut here ]------------
| [   17.616088][  T538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/538
| [   17.616304][  T538] Modules linked in: ip_gre gre
| [   17.616673][  T538] Tainted: [W]=WARN
[   17.616764][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.616920][  T538] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.617078][  T538] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.617513][  T538] RSP: 0018:ffa000000167f190 EFLAGS: 00010286
[   17.617663][  T538] RAX: 00000000ffffffa6 RBX: ff1100000d15fa80 RCX: 1ff40000002cfdf8
[   17.617840][  T538] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15fb3c
[   17.618029][  T538] RBP: ff1100000bfc4000 R08: 1fe2200001a2bf69 R09: ff11000009bbae58
[   17.618207][  T538] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   17.618389][  T538] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.618569][  T538] FS:  00007f99e4b2b840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   17.618779][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.618939][  T538] CR2: 000000002e2e5988 CR3: 0000000009bb5003 CR4: 0000000000771ef0
[   17.619119][  T538] PKRU: 55555554
[   17.619209][  T538] Call Trace:
[   17.619302][  T538]  <TASK>
[   17.619365][  T538]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.619519][  T538]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.619667][  T538]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.619788][  T538]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.619913][  T538]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.620062][  T538]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   17.620184][  T538]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   17.620310][  T538]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   17.620431][  T538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.620553][  T538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.620672][  T538]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.620792][  T538]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.620916][  T538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.621052][  T538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.621170][  T538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.621290][  T538]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.621414][  T538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.621533][  T538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.621653][  T538]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   17.621775][  T538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.622504][  T538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.622625][  T538]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.622748][  T538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.622874][  T538]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.623053][  T538]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.623177][  T538]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.623304][  T538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.623428][  T538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.623551][  T538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.623671][  T538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.623795][  T538]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.623967][  T538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.624088][  T538]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.624212][  T538]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.624337][  T538]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.624459][  T538]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.624579][  T538]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.624699][  T538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.624820][  T538]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.624994][  T538]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.625116][  T538]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.625238][  T538]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.625363][  T538]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.625485][  T538]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.625633][  T538]  ? move_addr_to_kernel (net/socket.c:258)
[   17.625754][  T538]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.625876][  T538]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.626047][  T538]  ___sys_sendmsg (net/socket.c:2752)
[   17.626167][  T538]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.626320][  T538]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.626452][  T538]  __sys_sendmsg (net/socket.c:2784)
[   17.626572][  T538]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.626690][  T538]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.626843][  T538]  ? 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)
[   17.627015][  T538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.627137][  T538]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.627257][  T538]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.627384][  T538]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.627504][  T538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.627655][  T538] RIP: 0033:0x7f99e4d6508e
[   17.627781][  T538] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.628266][  T538] RSP: 002b:00007ffeea4bffe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.628453][  T538] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f99e4d6508e
[   17.628634][  T538] RDX: 0000000000000000 RSI: 00007ffeea4c0090 RDI: 0000000000000005
[   17.628814][  T538] RBP: 00007ffeea4bfff0 R08: 0000000000000000 R09: 0000000000000000
[   17.629045][  T538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   17.629226][  T538] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeea4c0760
| [   17.675266][  T539] ------------[ cut here ]------------
| [   17.675432][  T539] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/539
| [   17.675673][  T539] Modules linked in: ip_gre gre
| [   17.676102][  T539] Tainted: [W]=WARN
[   17.676207][  T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.676385][  T539] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.676564][  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
[   17.677057][  T539] RSP: 0018:ffa000000168ef10 EFLAGS: 00010286
[   17.677231][  T539] RAX: 00000000ffffffa6 RBX: ff1100000d357540 RCX: 1ff40000002d1da8
[   17.677439][  T539] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3575fc
[   17.677643][  T539] RBP: ff1100000f0b1000 R08: 1fe2200001a6aec1 R09: ff11000009bbd180
[   17.677846][  T539] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   17.678057][  T539] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   17.678262][  T539] FS:  00007fa818af8840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   17.678507][  T539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.678678][  T539] CR2: 00007fa818e6d040 CR3: 000000000f67c006 CR4: 0000000000771ef0
[   17.678893][  T539] PKRU: 55555554
[   17.678996][  T539] Call Trace:
[   17.679098][  T539]  <TASK>
[   17.679168][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.679311][  T539]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   17.679450][  T539]  notifier_call_chain (kernel/notifier.c:85)
[   17.679591][  T539]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   17.679728][  T539]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   17.679864][  T539]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   17.680045][  T539]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   17.680218][  T539]  ? crng_make_state (drivers/char/random.c:383 (discriminator 14))
[   17.680362][  T539]  netif_set_mtu (net/core/dev.c:9910)
[   17.680499][  T539]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   17.680635][  T539]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   17.680779][  T539]  dev_set_mtu (net/core/dev_api.c:249)
[   17.680889][  T539]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   17.681028][  T539]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   17.681168][  T539]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   17.681346][  T539] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   17.681484][  T539]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   17.681659][  T539]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   17.681799][  T539]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   17.681947][  T539]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.682084][  T539]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.682221][  T539]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.682369][  T539]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.682508][  T539]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.682647][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.682783][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.682925][  T539]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.683063][  T539]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.683198][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.683344][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.683482][  T539]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.683618][  T539]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.683756][  T539]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.683897][  T539]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.684035][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.684175][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.684316][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.684455][  T539]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.684592][  T539]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.684729][  T539]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.684869][  T539]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.685011][  T539]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.685153][  T539]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.685292][  T539]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.685433][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.685572][  T539]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.685710][  T539]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.685848][  T539]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.685992][  T539]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.686130][  T539]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.686268][  T539]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.686442][  T539]  ? move_addr_to_kernel (net/socket.c:258)
[   17.686584][  T539]  ___sys_sendmsg (net/socket.c:2752)
[   17.686720][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.686858][  T539]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.687009][  T539]  ? 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))
[   17.687148][  T539]  __sys_sendmsg (net/socket.c:2784)
[   17.687286][  T539]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.687432][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.687569][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.687709][  T539]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.687847][  T539]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.687990][  T539]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.688127][  T539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.688303][  T539] RIP: 0033:0x7fa818d3208e
[   17.688450][  T539] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.688943][  T539] RSP: 002b:00007ffe68c620a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.689152][  T539] RAX: ffffffffffffffda RBX: 00007ffe68c62850 RCX: 00007fa818d3208e
[   17.689364][  T539] RDX: 0000000000000000 RSI: 00007ffe68c62150 RDI: 0000000000000005
[   17.689571][  T539] RBP: 00007ffe68c620b0 R08: 0000000000000000 R09: 0000000000000000
[   17.689776][  T539] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   17.689989][  T539] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe68c62810
| [   17.691600][  T539] ------------[ cut here ]------------
| [   17.691729][  T539] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/539
| [   17.691960][  T539] Modules linked in: ip_gre gre
| [   17.692367][  T539] Tainted: [W]=WARN
[   17.692467][  T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.692633][  T539] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.692803][  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
[   17.693286][  T539] RSP: 0018:ffa000000168f1b0 EFLAGS: 00010286
[   17.693462][  T539] RAX: 00000000ffffffa6 RBX: ff1100000c108900 RCX: 1ff40000002d1dfc
[   17.693667][  T539] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1089bc
[   17.693871][  T539] RBP: ff1100000f0b1000 R08: 1fe2200001821139 R09: ff11000009bbd180
[   17.694072][  T539] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   17.694268][  T539] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f6d40
[   17.694469][  T539] FS:  00007fa818af8840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   17.694700][  T539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.694864][  T539] CR2: 00007fa818e6d040 CR3: 000000000f67c006 CR4: 0000000000771ef0
[   17.695067][  T539] PKRU: 55555554
[   17.695165][  T539] Call Trace:
[   17.695262][  T539]  <TASK>
[   17.695335][  T539]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.695467][  T539]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.695567][  T539]  __dev_notify_flags (net/core/dev.c:9787)
[   17.695701][  T539]  ? netif_change_name (net/core/dev.c:1495)
[   17.695832][  T539]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   17.696002][  T539]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   17.696137][  T539]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   17.696271][  T539]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.696407][  T539]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.696536][  T539]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.696675][  T539]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.696811][  T539]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.696949][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.697080][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.697213][  T539]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.697346][  T539]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.697476][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.697613][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.697744][  T539]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.697877][  T539]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.698014][  T539]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.698146][  T539]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.698276][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.698414][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.698545][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.698677][  T539]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.698810][  T539]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.698947][  T539]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.699083][  T539]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.699215][  T539]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.699356][  T539]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.699489][  T539]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.699647][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.699780][  T539]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.699920][  T539]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.700054][  T539]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.700187][  T539]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.700322][  T539]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.700453][  T539]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.700618][  T539]  ? move_addr_to_kernel (net/socket.c:258)
[   17.700755][  T539]  ___sys_sendmsg (net/socket.c:2752)
[   17.700891][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.701023][  T539]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.701166][  T539]  ? 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))
[   17.701304][  T539]  __sys_sendmsg (net/socket.c:2784)
[   17.701436][  T539]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.701572][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.701704][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.701836][  T539]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.701972][  T539]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.702105][  T539]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.702236][  T539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.702404][  T539] RIP: 0033:0x7fa818d3208e
[   17.702540][  T539] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.703014][  T539] RSP: 002b:00007ffe68c620a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.703215][  T539] RAX: ffffffffffffffda RBX: 00007ffe68c62850 RCX: 00007fa818d3208e
[   17.703416][  T539] RDX: 0000000000000000 RSI: 00007ffe68c62150 RDI: 0000000000000005
[   17.703614][  T539] RBP: 00007ffe68c620b0 R08: 0000000000000000 R09: 0000000000000000
[   17.703811][  T539] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec16
[   17.704012][  T539] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe68c62810
| [   17.765417][  T541] ------------[ cut here ]------------
| [   17.765567][  T541] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/541
| [   17.765795][  T541] Modules linked in: ip_gre gre
| [   17.766205][  T541] Tainted: [W]=WARN
[   17.766311][  T541] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.766475][  T541] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.766649][  T541] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.767119][  T541] RSP: 0018:ffa00000016af020 EFLAGS: 00010286
[   17.767284][  T541] RAX: 00000000ffffffa6 RBX: ff1100000576c200 RCX: 1ff40000002d5dca
[   17.767488][  T541] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576c2bc
[   17.767682][  T541] RBP: ff1100000f0b1000 R08: 1fe2200000aed859 R09: ff1100000aa72e58
[   17.767876][  T541] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   17.768076][  T541] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   17.768272][  T541] FS:  00007f0ff7d35840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   17.768505][  T541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.768671][  T541] CR2: 0000000036be1988 CR3: 00000000100d7005 CR4: 0000000000771ef0
[   17.768866][  T541] PKRU: 55555554
[   17.768967][  T541] Call Trace:
[   17.769065][  T541]  <TASK>
[   17.769132][  T541]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.769265][  T541]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.769372][  T541]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.769503][  T541]  __dev_notify_flags (net/core/dev.c:9787)
[   17.769636][  T541]  ? netif_change_name (net/core/dev.c:1495)
[   17.769768][  T541]  ? __dev_change_flags (net/core/dev.c:9752)
[   17.769902][  T541]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.770034][  T541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.770166][  T541]  ? 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))
[   17.770304][  T541]  netif_change_flags (net/core/dev.c:9820)
[   17.770437][  T541]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   17.770570][  T541]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.770705][  T541]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.770837][  T541]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.771062][  T541]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.771194][  T541]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.771339][  T541]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.771472][  T541]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.771604][  T541]  ? __kernel_text_address (kernel/extable.c:79)
[   17.771737][  T541]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.771870][  T541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.772059][  T541]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.772191][  T541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.772329][  T541]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.772462][  T541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.772592][  T541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.772725][  T541]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.772859][  T541]  ? __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)
[   17.773046][  T541]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.773177][  T541]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.773313][  T541]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.773447][  T541]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.773582][  T541]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.773715][  T541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.773846][  T541]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.774033][  T541]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.774165][  T541]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.774296][  T541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.774435][  T541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.774566][  T541]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.774697][  T541]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.774828][  T541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.775014][  T541]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.775145][  T541]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.775276][  T541]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.775410][  T541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.775539][  T541]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.775670][  T541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.775801][  T541]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.775986][  T541]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.776117][  T541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.776248][  T541]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.776388][  T541]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.776517][  T541]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.776649][  T541]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.776783][  T541]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.777003][  T541]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.777136][  T541]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.777267][  T541]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.777403][  T541]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.777535][  T541]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.777665][  T541]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.777797][  T541]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.778031][  T541]  ? move_addr_to_kernel (net/socket.c:258)
[   17.778164][  T541]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.778296][  T541]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.778435][  T541]  ___sys_sendmsg (net/socket.c:2752)
[   17.778568][  T541]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.778731][  T541]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.778874][  T541]  __sys_sendmsg (net/socket.c:2784)
[   17.779091][  T541]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.779221][  T541]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.779391][  T541]  ? 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)
[   17.779522][  T541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.779655][  T541]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.779787][  T541]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.779993][  T541]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.780125][  T541]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.780286][  T541] RIP: 0033:0x7f0ff7f6f08e
[   17.780428][  T541] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.780981][  T541] RSP: 002b:00007ffe2322c260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.781178][  T541] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0ff7f6f08e
[   17.781377][  T541] RDX: 0000000000000000 RSI: 00007ffe2322c310 RDI: 0000000000000005
[   17.781569][  T541] RBP: 00007ffe2322c270 R08: 0000000000000000 R09: 0000000000000000
[   17.781762][  T541] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   17.782033][  T541] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2322c9e0
| [   17.891049][  T548] ------------[ cut here ]------------
| [   17.891240][  T548] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/548
| [   17.891524][  T548] Modules linked in: ip_gre gre
| [   17.892021][  T548] Tainted: [W]=WARN
[   17.892166][  T548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.892385][  T548] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.892598][  T548] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.893168][  T548] RSP: 0018:ffa00000016ff020 EFLAGS: 00010286
[   17.893519][  T548] RAX: 00000000ffffffa6 RBX: ff1100000d0cc3c0 RCX: 1ff40000002dfdca
[   17.893839][  T548] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0cc47c
[   17.894166][  T548] RBP: ff1100000f0b1000 R08: 1fe2200001a19891 R09: ff11000010752e58
[   17.894490][  T548] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   17.894776][  T548] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   17.895041][  T548] FS:  00007f4ed05cb840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   17.895320][  T548] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.895526][  T548] CR2: 0000000022ac6988 CR3: 00000000107fc002 CR4: 0000000000771ef0
[   17.895765][  T548] PKRU: 55555554
[   17.895918][  T548] Call Trace:
[   17.896060][  T548]  <TASK>
[   17.896172][  T548]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.896357][  T548]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.896504][  T548]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.896678][  T548]  __dev_notify_flags (net/core/dev.c:9787)
[   17.896853][  T548]  ? netif_change_name (net/core/dev.c:1495)
[   17.897037][  T548]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   17.897213][  T548]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.897393][  T548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.897572][  T548]  ? 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))
[   17.897747][  T548]  netif_change_flags (net/core/dev.c:9820)
[   17.897933][  T548]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   17.898109][  T548]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.898286][  T548]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.898469][  T548]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.898676][  T548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.898850][  T548]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.899033][  T548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.899205][  T548]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.899390][  T548]  ? __kernel_text_address (kernel/extable.c:79)
[   17.899568][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.899743][  T548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.899928][  T548]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.900103][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.900277][  T548]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.900456][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.900629][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.900805][  T548]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.900992][  T548]  ? __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)
[   17.901167][  T548]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.901345][  T548]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.901520][  T548]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.901695][  T548]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.901872][  T548]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.902059][  T548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.902230][  T548]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.902407][  T548]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.902579][  T548]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.902750][  T548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.902937][  T548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.903110][  T548]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.903285][  T548]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.903466][  T548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.903639][  T548]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.903811][  T548]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.903998][  T548]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.904170][  T548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.904347][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.904523][  T548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.904696][  T548]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.904871][  T548]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.905057][  T548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.905232][  T548]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.905413][  T548]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.905587][  T548]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.905763][  T548]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.905949][  T548]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.906125][  T548]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.906307][  T548]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.906483][  T548]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.906659][  T548]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.906834][  T548]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.907021][  T548]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.907194][  T548]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.907405][  T548]  ? move_addr_to_kernel (net/socket.c:258)
[   17.907580][  T548]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.907754][  T548]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.907945][  T548]  ___sys_sendmsg (net/socket.c:2752)
[   17.908120][  T548]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.908333][  T548]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.908519][  T548]  __sys_sendmsg (net/socket.c:2784)
[   17.908693][  T548]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.908866][  T548]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.909084][  T548]  ? 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)
[   17.909258][  T548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.909438][  T548]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.909614][  T548]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.909788][  T548]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.909976][  T548]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.910180][  T548] RIP: 0033:0x7f4ed080508e
[   17.910367][  T548] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.910863][  T548] RSP: 002b:00007ffd78fd9080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.911117][  T548] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4ed080508e
[   17.911359][  T548] RDX: 0000000000000000 RSI: 00007ffd78fd9130 RDI: 0000000000000005
[   17.911594][  T548] RBP: 00007ffd78fd9090 R08: 0000000000000000 R09: 0000000000000000
[   17.911831][  T548] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   17.912082][  T548] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd78fd9800
| [   17.967810][  T550] ------------[ cut here ]------------
| [   17.968569][  T550] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/550
| [   17.968836][  T550] Modules linked in: ip_gre gre
| [   17.969344][  T550] Tainted: [W]=WARN
[   17.969484][  T550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.969688][  T550] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.969910][  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
[   17.970415][  T550] RSP: 0018:ffa000000170f020 EFLAGS: 00010286
[   17.970619][  T550] RAX: 00000000ffffffa6 RBX: ff1100000d0ccac0 RCX: 1ff40000002e1dca
[   17.970851][  T550] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0ccb7c
[   17.971098][  T550] RBP: ff1100000f0b1000 R08: 1fe2200001a19971 R09: ff1100000f125158
[   17.971340][  T550] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   17.971571][  T550] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   17.971808][  T550] FS:  00007fd896947840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   17.972085][  T550] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.972291][  T550] CR2: 00000000366a8988 CR3: 000000000fc8b004 CR4: 0000000000771ef0
[   17.972533][  T550] PKRU: 55555554
[   17.972674][  T550] Call Trace:
[   17.972814][  T550]  <TASK>
[   17.972937][  T550]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.973112][  T550]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.973254][  T550]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   17.973435][  T550]  __dev_notify_flags (net/core/dev.c:9787)
[   17.973611][  T550]  ? netif_change_name (net/core/dev.c:1495)
[   17.973784][  T550]  ? __dev_change_flags (net/core/dev.c:9752)
[   17.973967][  T550]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.974141][  T550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.974322][  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))
[   17.974499][  T550]  netif_change_flags (net/core/dev.c:9820)
[   17.974678][  T550]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   17.974852][  T550]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.975038][  T550]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   17.975213][  T550]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   17.975427][  T550]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.975600][  T550]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.975774][  T550]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.975961][  T550]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.976135][  T550]  ? __kernel_text_address (kernel/extable.c:79)
[   17.976315][  T550]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.976491][  T550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.976664][  T550]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.976838][  T550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.977026][  T550]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   17.977202][  T550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.977381][  T550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.977556][  T550]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   17.977732][  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)
[   17.977917][  T550]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   17.978092][  T550]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   17.978268][  T550]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   17.978447][  T550]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   17.978626][  T550]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.978802][  T550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.978985][  T550]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.979160][  T550]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.979338][  T550]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.979510][  T550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.979686][  T550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.979860][  T550]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.980046][  T550]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.980219][  T550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.980401][  T550]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.980574][  T550]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.980747][  T550]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.980933][  T550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.981107][  T550]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.981285][  T550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.981465][  T550]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.981640][  T550]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.981812][  T550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.981998][  T550]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.982175][  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))
[   17.982354][  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))
[   17.982532][  T550]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.982708][  T550]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.982881][  T550]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.983068][  T550]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.983242][  T550]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.983423][  T550]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.983600][  T550]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.983774][  T550]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.983962][  T550]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.984164][  T550]  ? move_addr_to_kernel (net/socket.c:258)
[   17.984345][  T550]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.984519][  T550]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.984692][  T550]  ___sys_sendmsg (net/socket.c:2752)
[   17.984864][  T550]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.985082][  T550]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.985269][  T550]  __sys_sendmsg (net/socket.c:2784)
[   17.985449][  T550]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.985620][  T550]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.985826][  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)
[   17.986011][  T550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.986185][  T550]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.986366][  T550]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.986543][  T550]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.986717][  T550]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.986934][  T550] RIP: 0033:0x7fd896b8108e
[   17.987112][  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
[   17.987612][  T550] RSP: 002b:00007ffc8c94aa10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.987851][  T550] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd896b8108e
[   17.988094][  T550] RDX: 0000000000000000 RSI: 00007ffc8c94aac0 RDI: 0000000000000005
[   17.988333][  T550] RBP: 00007ffc8c94aa20 R08: 0000000000000000 R09: 0000000000000000
[   17.988567][  T550] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   17.988803][  T550] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8c94b190
| [   18.112603][  T558] ------------[ cut here ]------------
| [   18.112754][  T558] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/558
| [   18.113461][  T558] Modules linked in: ip_gre gre
| [   18.113853][  T558] Tainted: [W]=WARN
[   18.113954][  T558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.114112][  T558] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.114276][  T558] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.114731][  T558] RSP: 0018:ffa000000172f060 EFLAGS: 00010286
[   18.114895][  T558] RAX: 00000000ffffffa6 RBX: ff1100000576d540 RCX: 1ff40000002e5dd2
[   18.115083][  T558] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576d5fc
[   18.115270][  T558] RBP: ff1100000f0b1000 R08: 1fe2200000aedac1 R09: ff1100000f6dd158
[   18.115461][  T558] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.115647][  T558] R13: 0000000000000000 R14: 0000000000000000 R15: ffa000000172f0f8
[   18.115837][  T558] FS:  00007f3be4e5d840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   18.116063][  T558] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.116224][  T558] CR2: 0000000025318988 CR3: 000000001091a005 CR4: 0000000000771ef0
[   18.116421][  T558] PKRU: 55555554
[   18.116516][  T558] Call Trace:
[   18.116611][  T558]  <TASK>
[   18.116677][  T558]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.116806][  T558]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.116908][  T558]  netif_close_many (net/core/dev.c:1804)
[   18.117036][  T558]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.117161][  T558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.117287][  T558]  ? __dev_close_many (net/core/dev.c:1781)
[   18.117420][  T558]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.117578][  T558]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.117738][  T558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.117863][  T558]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.117992][  T558]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.118147][  T558]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.118275][  T558]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.118405][  T558]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.118560][  T558]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   18.118685][  T558]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.118811][  T558]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   18.118943][  T558]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   18.119069][  T558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.119194][  T558]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.119323][  T558]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.119449][  T558]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.119576][  T558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.119719][  T558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.119845][  T558]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.119976][  T558]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.120101][  T558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.120227][  T558]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.120358][  T558]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   18.120486][  T558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.120611][  T558]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.120735][  T558]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.120859][  T558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.120990][  T558]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.121117][  T558]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.121243][  T558]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.121374][  T558]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.121501][  T558]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.121629][  T558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.121754][  T558]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.121880][  T558]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.122010][  T558]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.122135][  T558]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.122263][  T558]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.122427][  T558]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.122554][  T558]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.122681][  T558]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.122810][  T558]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.122941][  T558]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.123068][  T558]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.123195][  T558]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.123327][  T558]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.123452][  T558]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.123577][  T558]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.123732][  T558]  ? move_addr_to_kernel (net/socket.c:258)
[   18.123858][  T558]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.123989][  T558]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.124117][  T558]  ___sys_sendmsg (net/socket.c:2752)
[   18.124243][  T558]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.124402][  T558]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.124538][  T558]  __sys_sendmsg (net/socket.c:2784)
[   18.124665][  T558]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.124790][  T558]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.124953][  T558]  ? 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)
[   18.125079][  T558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.125205][  T558]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.125335][  T558]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.125460][  T558]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.125586][  T558]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.125742][  T558] RIP: 0033:0x7f3be509708e
[   18.125874][  T558] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.126333][  T558] RSP: 002b:00007fffbf7b1e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.126523][  T558] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3be509708e
[   18.126711][  T558] RDX: 0000000000000000 RSI: 00007fffbf7b1ed0 RDI: 0000000000000005
[   18.126902][  T558] RBP: 00007fffbf7b1e30 R08: 0000000000000000 R09: 0000000000000000
[   18.127091][  T558] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   18.127280][  T558] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffbf7b25a0
| [   18.130433][  T558] ------------[ cut here ]------------
| [   18.130562][  T558] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/558
| [   18.130775][  T558] Modules linked in: ip_gre gre
| [   18.131713][  T558] Tainted: [W]=WARN
[   18.131806][  T558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.132132][  T558] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.132291][  T558] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.132739][  T558] RSP: 0018:ffa000000172f190 EFLAGS: 00010286
[   18.132897][  T558] RAX: 00000000ffffffa6 RBX: ff1100000f23f8c0 RCX: 1ff40000002e5df8
[   18.133079][  T558] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23f97c
[   18.133261][  T558] RBP: ff1100000f0b1000 R08: 1fe2200001e47f31 R09: ff1100000f6dd158
[   18.133450][  T558] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.133631][  T558] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.133815][  T558] FS:  00007f3be4e5d840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   18.134034][  T558] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.134188][  T558] CR2: 0000000025318988 CR3: 000000001091a005 CR4: 0000000000771ef0
[   18.134376][  T558] PKRU: 55555554
[   18.134467][  T558] Call Trace:
[   18.134563][  T558]  <TASK>
[   18.134627][  T558]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.134783][  T558]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.134941][  T558]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.135063][  T558]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.135187][  T558]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.135342][  T558]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   18.135465][  T558]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   18.135588][  T558]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   18.135711][  T558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.135832][  T558]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.135958][  T558]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.136080][  T558]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.136203][  T558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.136347][  T558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.136469][  T558]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.136590][  T558]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.136712][  T558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.136834][  T558]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.136960][  T558]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   18.137086][  T558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.137208][  T558]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.137337][  T558]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.137459][  T558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.137584][  T558]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.137708][  T558]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.137830][  T558]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.137957][  T558]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.138082][  T558]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.138207][  T558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.138334][  T558]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.138457][  T558]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.138580][  T558]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.138703][  T558]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.138831][  T558]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.138957][  T558]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.139082][  T558]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.139206][  T558]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.139335][  T558]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.139459][  T558]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.139582][  T558]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.139707][  T558]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.139832][  T558]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.139961][  T558]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.140083][  T558]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.140235][  T558]  ? move_addr_to_kernel (net/socket.c:258)
[   18.140365][  T558]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.140487][  T558]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.140611][  T558]  ___sys_sendmsg (net/socket.c:2752)
[   18.140733][  T558]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.140891][  T558]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.141028][  T558]  __sys_sendmsg (net/socket.c:2784)
[   18.141151][  T558]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.141275][  T558]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.141434][  T558]  ? 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)
[   18.141558][  T558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.141681][  T558]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.141806][  T558]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.141932][  T558]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.142054][  T558]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.142206][  T558] RIP: 0033:0x7f3be509708e
[   18.142337][  T558] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.142773][  T558] RSP: 002b:00007fffbf7b1e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.142963][  T558] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3be509708e
[   18.143146][  T558] RDX: 0000000000000000 RSI: 00007fffbf7b1ed0 RDI: 0000000000000005
[   18.143336][  T558] RBP: 00007fffbf7b1e30 R08: 0000000000000000 R09: 0000000000000000
[   18.143519][  T558] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   18.143702][  T558] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffbf7b25a0
| [   18.184105][  T559] ------------[ cut here ]------------
| [   18.184261][  T559] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/559
| [   18.184509][  T559] Modules linked in: ip_gre gre
| [   18.184939][  T559] Tainted: [W]=WARN
[   18.185046][  T559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.185222][  T559] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.185406][  T559] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.185903][  T559] RSP: 0018:ffa000000175ef10 EFLAGS: 00010286
[   18.186077][  T559] RAX: 00000000ffffffa6 RBX: ff1100000f23ee40 RCX: 1ff40000002ebda8
[   18.186286][  T559] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23eefc
[   18.186500][  T559] RBP: ff11000009291000 R08: 1fe2200001e47de1 R09: ff11000009640b80
[   18.186707][  T559] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   18.186921][  T559] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   18.187130][  T559] FS:  00007f0ea62ce840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   18.187380][  T559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.187552][  T559] CR2: 000000000042f320 CR3: 000000000ffdf003 CR4: 0000000000771ef0
[   18.187759][  T559] PKRU: 55555554
[   18.187861][  T559] Call Trace:
[   18.187967][  T559]  <TASK>
[   18.188040][  T559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.188179][  T559]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   18.188327][  T559]  notifier_call_chain (kernel/notifier.c:85)
[   18.188469][  T559]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   18.188610][  T559]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   18.188748][  T559]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   18.188927][  T559]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   18.189102][  T559]  ? crng_make_state (drivers/char/random.c:383 (discriminator 14))
[   18.189245][  T559]  netif_set_mtu (net/core/dev.c:9910)
[   18.189390][  T559]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   18.189528][  T559]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   18.189673][  T559]  dev_set_mtu (net/core/dev_api.c:249)
[   18.189779][  T559]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   18.189923][  T559]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   18.190065][  T559]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   18.190241][  T559] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   18.190384][  T559]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   18.190560][  T559]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   18.190700][  T559]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   18.190839][  T559]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   18.190983][  T559]  ? __dev_get_by_name (net/core/dev.c:883)
[   18.191121][  T559]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   18.191267][  T559]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   18.191416][  T559]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.191556][  T559]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.191693][  T559]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.191832][  T559]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.191976][  T559]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.192114][  T559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.192256][  T559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.192402][  T559]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.192539][  T559]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.192678][  T559]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.192816][  T559]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.192959][  T559]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.193100][  T559]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.193236][  T559]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.193379][  T559]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.193517][  T559]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.193654][  T559]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.193794][  T559]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.193935][  T559]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.194075][  T559]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.194214][  T559]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.194356][  T559]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.194497][  T559]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.194636][  T559]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.194774][  T559]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.194918][  T559]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.195055][  T559]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.195192][  T559]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.195369][  T559]  ? move_addr_to_kernel (net/socket.c:258)
[   18.195513][  T559]  ___sys_sendmsg (net/socket.c:2752)
[   18.195652][  T559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.195789][  T559]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.195942][  T559]  ? 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))
[   18.196082][  T559]  __sys_sendmsg (net/socket.c:2784)
[   18.196220][  T559]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.196366][  T559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.196504][  T559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.196643][  T559]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.196783][  T559]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.196926][  T559]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.197066][  T559]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.197239][  T559] RIP: 0033:0x7f0ea650808e
[   18.197390][  T559] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.197881][  T559] RSP: 002b:00007ffcfc0b3210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.198096][  T559] RAX: ffffffffffffffda RBX: 00007ffcfc0b39c0 RCX: 00007f0ea650808e
[   18.198310][  T559] RDX: 0000000000000000 RSI: 00007ffcfc0b32c0 RDI: 0000000000000005
[   18.198519][  T559] RBP: 00007ffcfc0b3220 R08: 0000000000000000 R09: 0000000000000000
[   18.198726][  T559] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   18.198937][  T559] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfc0b3980
| [   18.200553][  T559] ------------[ cut here ]------------
| [   18.200682][  T559] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/559
| [   18.200913][  T559] Modules linked in: ip_gre gre
| [   18.201322][  T559] Tainted: [W]=WARN
[   18.201422][  T559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.201589][  T559] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.201760][  T559] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.202232][  T559] RSP: 0018:ffa000000175f1b0 EFLAGS: 00010286
[   18.202402][  T559] RAX: 00000000ffffffa6 RBX: ff1100000f23e580 RCX: 1ff40000002ebdfc
[   18.202600][  T559] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23e63c
[   18.202815][  T559] RBP: ff11000009291000 R08: 1fe2200001e47cc9 R09: ff11000009640b80
[   18.203016][  T559] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.203213][  T559] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f6d40
[   18.203414][  T559] FS:  00007f0ea62ce840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   18.203645][  T559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.203810][  T559] CR2: 000000000042f320 CR3: 000000000ffdf003 CR4: 0000000000771ef0
[   18.204015][  T559] PKRU: 55555554
[   18.204114][  T559] Call Trace:
[   18.204212][  T559]  <TASK>
[   18.204281][  T559]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.204420][  T559]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.204522][  T559]  __dev_notify_flags (net/core/dev.c:9787)
[   18.204657][  T559]  ? netif_change_name (net/core/dev.c:1495)
[   18.204790][  T559]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   18.204966][  T559]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   18.205101][  T559]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   18.205236][  T559]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   18.205372][  T559]  ? __dev_get_by_name (net/core/dev.c:883)
[   18.205504][  T559]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   18.205643][  T559]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   18.205780][  T559]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.205921][  T559]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.206053][  T559]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.206185][  T559]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.206323][  T559]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.206456][  T559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.206592][  T559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.206727][  T559]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.206860][  T559]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.206998][  T559]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.207131][  T559]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.207262][  T559]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.207402][  T559]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.207534][  T559]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.207667][  T559]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.207799][  T559]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.207935][  T559]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.208072][  T559]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.208204][  T559]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.208345][  T559]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.208479][  T559]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.208613][  T559]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.208748][  T559]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.208882][  T559]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.209025][  T559]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.209160][  T559]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.209293][  T559]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.209430][  T559]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.209593][  T559]  ? move_addr_to_kernel (net/socket.c:258)
[   18.209730][  T559]  ___sys_sendmsg (net/socket.c:2752)
[   18.209861][  T559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.210000][  T559]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.210142][  T559]  ? 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))
[   18.210278][  T559]  __sys_sendmsg (net/socket.c:2784)
[   18.210412][  T559]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.210548][  T559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.210681][  T559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.210814][  T559]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.210952][  T559]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.211085][  T559]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.211217][  T559]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.211386][  T559] RIP: 0033:0x7f0ea650808e
[   18.211524][  T559] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.211999][  T559] RSP: 002b:00007ffcfc0b3210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.212198][  T559] RAX: ffffffffffffffda RBX: 00007ffcfc0b39c0 RCX: 00007f0ea650808e
[   18.212400][  T559] RDX: 0000000000000000 RSI: 00007ffcfc0b32c0 RDI: 0000000000000005
[   18.212597][  T559] RBP: 00007ffcfc0b3220 R08: 0000000000000000 R09: 0000000000000000
[   18.212795][  T559] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   18.213087][  T559] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfc0b3980
| [   18.279870][  T561] ------------[ cut here ]------------
| [   18.280073][  T561] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/561
| [   18.280358][  T561] Modules linked in: ip_gre gre
| [   18.280847][  T561] Tainted: [W]=WARN
[   18.281354][  T561] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.281565][  T561] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.281790][  T561] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.282310][  T561] RSP: 0018:ffa000000177f020 EFLAGS: 00010286
[   18.282531][  T561] RAX: 00000000ffffffa6 RBX: ff1100000e175e00 RCX: 1ff40000002efdca
[   18.282767][  T561] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e175ebc
[   18.283019][  T561] RBP: ff11000009291000 R08: 1fe2200001c2ebd9 R09: ff1100000ff7ae58
[   18.283257][  T561] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   18.283503][  T561] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.283745][  T561] FS:  00007fd530331840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   18.284029][  T561] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.284238][  T561] CR2: 00007fd5306011a0 CR3: 00000000107f4004 CR4: 0000000000771ef0
[   18.284489][  T561] PKRU: 55555554
[   18.284633][  T561] Call Trace:
[   18.284779][  T561]  <TASK>
[   18.284907][  T561]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.285089][  T561]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.285238][  T561]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.285426][  T561]  __dev_notify_flags (net/core/dev.c:9787)
[   18.285605][  T561]  ? netif_change_name (net/core/dev.c:1495)
[   18.285782][  T561]  ? __dev_change_flags (net/core/dev.c:9752)
[   18.285969][  T561]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.286145][  T561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.286330][  T561]  ? 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))
[   18.286509][  T561]  netif_change_flags (net/core/dev.c:9820)
[   18.286686][  T561]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.286864][  T561]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.287056][  T561]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   18.287232][  T561]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   18.287446][  T561]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.287623][  T561]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.287800][  T561]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.287988][  T561]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.288166][  T561]  ? __kernel_text_address (kernel/extable.c:79)
[   18.288348][  T561]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.288525][  T561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.288701][  T561]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.288879][  T561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.289070][  T561]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.289246][  T561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.289432][  T561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.289610][  T561]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.289790][  T561]  ? __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)
[   18.289982][  T561]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   18.290159][  T561]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.290344][  T561]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   18.290524][  T561]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   18.290705][  T561]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.290897][  T561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.291071][  T561]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.291247][  T561]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.291430][  T561]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.291605][  T561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.291784][  T561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.291968][  T561]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.292144][  T561]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.292330][  T561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.292508][  T561]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.292689][  T561]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.292866][  T561]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.293057][  T561]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.293234][  T561]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.293422][  T561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.293600][  T561]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.293778][  T561]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.293966][  T561]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.294148][  T561]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.294333][  T561]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.294509][  T561]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.294688][  T561]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.294865][  T561]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.295054][  T561]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.295233][  T561]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.295416][  T561]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.295597][  T561]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.295774][  T561]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.295964][  T561]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.296141][  T561]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.296354][  T561]  ? move_addr_to_kernel (net/socket.c:258)
[   18.296532][  T561]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.296710][  T561]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.296905][  T561]  ___sys_sendmsg (net/socket.c:2752)
[   18.297081][  T561]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.297287][  T561]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.297483][  T561]  __sys_sendmsg (net/socket.c:2784)
[   18.297660][  T561]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.297834][  T561]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.298058][  T561]  ? 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)
[   18.298239][  T561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.298427][  T561]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.298606][  T561]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.298782][  T561]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.298969][  T561]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.299176][  T561] RIP: 0033:0x7fd53056b08e
[   18.299366][  T561] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.299873][  T561] RSP: 002b:00007ffe5606d990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.300126][  T561] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd53056b08e
[   18.300373][  T561] RDX: 0000000000000000 RSI: 00007ffe5606da40 RDI: 0000000000000005
[   18.300614][  T561] RBP: 00007ffe5606d9a0 R08: 0000000000000000 R09: 0000000000000000
[   18.300853][  T561] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   18.301103][  T561] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5606e110
| [   18.419906][  T568] ------------[ cut here ]------------
| [   18.420100][  T568] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/568
| [   18.420373][  T568] Modules linked in: ip_gre gre
| [   18.420845][  T568] Tainted: [W]=WARN
[   18.420997][  T568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.421200][  T568] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.421416][  T568] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.421930][  T568] RSP: 0018:ffa00000017af020 EFLAGS: 00010286
[   18.422135][  T568] RAX: 00000000ffffffa6 RBX: ff1100000c30b1c0 RCX: 1ff40000002f5dca
[   18.422375][  T568] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30b27c
[   18.422609][  T568] RBP: ff11000009291000 R08: 1fe2200001861651 R09: ff1100000f16d158
[   18.422840][  T568] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   18.423178][  T568] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.423464][  T568] FS:  00007f02eac8a840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   18.423726][  T568] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.423943][  T568] CR2: 000000000abd6988 CR3: 0000000012a8b004 CR4: 0000000000771ef0
[   18.424177][  T568] PKRU: 55555554
[   18.424321][  T568] Call Trace:
[   18.424461][  T568]  <TASK>
[   18.424572][  T568]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.424745][  T568]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.424900][  T568]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.425071][  T568]  __dev_notify_flags (net/core/dev.c:9787)
[   18.425255][  T568]  ? netif_change_name (net/core/dev.c:1495)
[   18.425435][  T568]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   18.425605][  T568]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.425774][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.425959][  T568]  ? 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))
[   18.426132][  T568]  netif_change_flags (net/core/dev.c:9820)
[   18.426311][  T568]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.426487][  T568]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.426663][  T568]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   18.426834][  T568]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   18.427050][  T568]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.427229][  T568]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.427408][  T568]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.427578][  T568]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.427753][  T568]  ? __kernel_text_address (kernel/extable.c:79)
[   18.427934][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.428109][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.428279][  T568]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.428459][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.428629][  T568]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.428798][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.428982][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.429154][  T568]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.429333][  T568]  ? __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)
[   18.429505][  T568]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   18.429676][  T568]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.429848][  T568]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   18.430030][  T568]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   18.430205][  T568]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.430388][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.430559][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.430732][  T568]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.430913][  T568]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.431085][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.431259][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.431436][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.431609][  T568]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.431779][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.431962][  T568]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.432135][  T568]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.432312][  T568]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.432483][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.432652][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.432824][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.433007][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.433179][  T568]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.433357][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.433530][  T568]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.433707][  T568]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.433876][  T568]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.434062][  T568]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.434236][  T568]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.434417][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.434591][  T568]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.434765][  T568]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.434950][  T568]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.435124][  T568]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.435297][  T568]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.435477][  T568]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.435681][  T568]  ? move_addr_to_kernel (net/socket.c:258)
[   18.435853][  T568]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.436034][  T568]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.436209][  T568]  ___sys_sendmsg (net/socket.c:2752)
[   18.436388][  T568]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.436591][  T568]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.436774][  T568]  __sys_sendmsg (net/socket.c:2784)
[   18.436962][  T568]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.437132][  T568]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.437343][  T568]  ? 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)
[   18.437516][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.437690][  T568]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.437861][  T568]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.438045][  T568]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.438217][  T568]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.438430][  T568] RIP: 0033:0x7f02eaec408e
[   18.438608][  T568] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.439107][  T568] RSP: 002b:00007ffc7d7db760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.439346][  T568] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f02eaec408e
[   18.439577][  T568] RDX: 0000000000000000 RSI: 00007ffc7d7db810 RDI: 0000000000000005
[   18.439807][  T568] RBP: 00007ffc7d7db770 R08: 0000000000000000 R09: 0000000000000000
[   18.440052][  T568] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   18.440286][  T568] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7d7dbee0
| [   18.496534][  T570] ------------[ cut here ]------------
| [   18.496677][  T570] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/570
| [   18.496908][  T570] Modules linked in: ip_gre gre
| [   18.497296][  T570] Tainted: [W]=WARN
[   18.497398][  T570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.497556][  T570] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.497720][  T570] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.498835][  T570] RSP: 0018:ffa00000017bf020 EFLAGS: 00010286
[   18.499005][  T570] RAX: 00000000ffffffa6 RBX: ff1100000e22ba80 RCX: 1ff40000002f7dca
[   18.499196][  T570] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22bb3c
[   18.499390][  T570] RBP: ff11000009291000 R08: 1fe2200001c45769 R09: ff1100000f05ae58
[   18.499576][  T570] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   18.499764][  T570] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.499959][  T570] FS:  00007efd35e2b840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   18.500183][  T570] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.500343][  T570] CR2: 0000000039c8d988 CR3: 000000000f00a006 CR4: 0000000000771ef0
[   18.500533][  T570] PKRU: 55555554
[   18.500628][  T570] Call Trace:
[   18.500722][  T570]  <TASK>
[   18.500788][  T570]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.500923][  T570]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.501018][  T570]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.501145][  T570]  __dev_notify_flags (net/core/dev.c:9787)
[   18.501273][  T570]  ? netif_change_name (net/core/dev.c:1495)
[   18.501401][  T570]  ? __dev_change_flags (net/core/dev.c:9752)
[   18.501527][  T570]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.501653][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.501780][  T570]  ? 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))
[   18.501913][  T570]  netif_change_flags (net/core/dev.c:9820)
[   18.502041][  T570]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.502169][  T570]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.502298][  T570]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   18.502431][  T570]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   18.502587][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.502714][  T570]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.502840][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.502972][  T570]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.503099][  T570]  ? __kernel_text_address (kernel/extable.c:79)
[   18.503227][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.503358][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.503484][  T570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.503609][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.503734][  T570]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.503859][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.503988][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.504114][  T570]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.504242][  T570]  ? __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)
[   18.504370][  T570]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   18.504497][  T570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.504625][  T570]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   18.504753][  T570]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   18.504882][  T570]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.505015][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.505140][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.505266][  T570]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.505395][  T570]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.505521][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.505648][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.505774][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.505903][  T570]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.506030][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.506159][  T570]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.506285][  T570]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.506416][  T570]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.506541][  T570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.506666][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.506794][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.506923][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.507051][  T570]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.507177][  T570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.507307][  T570]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.507436][  T570]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.507561][  T570]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.507689][  T570]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.507816][  T570]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.507948][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.508077][  T570]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.508203][  T570]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.508336][  T570]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.508463][  T570]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.508589][  T570]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.508715][  T570]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.508872][  T570]  ? move_addr_to_kernel (net/socket.c:258)
[   18.509004][  T570]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.509132][  T570]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.509259][  T570]  ___sys_sendmsg (net/socket.c:2752)
[   18.509389][  T570]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.509546][  T570]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.509684][  T570]  __sys_sendmsg (net/socket.c:2784)
[   18.509812][  T570]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.509943][  T570]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.510106][  T570]  ? 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)
[   18.510234][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.510369][  T570]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.510496][  T570]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.510623][  T570]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.510749][  T570]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.510914][  T570] RIP: 0033:0x7efd3606508e
[   18.511049][  T570] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.511504][  T570] RSP: 002b:00007ffec1e3a910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.511695][  T570] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efd3606508e
[   18.511890][  T570] RDX: 0000000000000000 RSI: 00007ffec1e3a9c0 RDI: 0000000000000005
[   18.512079][  T570] RBP: 00007ffec1e3a920 R08: 0000000000000000 R09: 0000000000000000
[   18.512267][  T570] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   18.512463][  T570] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec1e3b090
| [   18.649705][  T578] ------------[ cut here ]------------
| [   18.649850][  T578] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/578
| [   18.650076][  T578] Modules linked in: ip_gre gre
| [   18.650463][  T578] Tainted: [W]=WARN
[   18.650556][  T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.650710][  T578] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.650874][  T578] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.651680][  T578] RSP: 0018:ffa000000182f060 EFLAGS: 00010286
[   18.651837][  T578] RAX: 00000000ffffffa6 RBX: ff1100000d3698c0 RCX: 1ff4000000305dd2
[   18.652027][  T578] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d36997c
[   18.652211][  T578] RBP: ff11000009291000 R08: 1fe2200001a6d331 R09: ff1100000f5b2e58
[   18.652403][  T578] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.652587][  T578] R13: 0000000000000000 R14: 0000000000000000 R15: ffa000000182f0f8
[   18.652773][  T578] FS:  00007f7fadfab840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   18.652999][  T578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.653156][  T578] CR2: 0000000010fdd988 CR3: 000000000f4d5005 CR4: 0000000000771ef0
[   18.653344][  T578] PKRU: 55555554
[   18.653437][  T578] Call Trace:
[   18.653530][  T578]  <TASK>
[   18.653595][  T578]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.653721][  T578]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.653816][  T578]  netif_close_many (net/core/dev.c:1804)
[   18.653947][  T578]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.654071][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.654196][  T578]  ? __dev_close_many (net/core/dev.c:1781)
[   18.654325][  T578]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.654481][  T578]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.654636][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.654758][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.654881][  T578]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.655041][  T578]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.655165][  T578]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.655289][  T578]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.655446][  T578]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   18.655569][  T578]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   18.655694][  T578]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   18.655819][  T578]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   18.655948][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.656071][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.656194][  T578]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.656320][  T578]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.656443][  T578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.656583][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.656706][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.656829][  T578]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.656956][  T578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.657079][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.657203][  T578]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   18.657331][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.657453][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.657578][  T578]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.657704][  T578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.657828][  T578]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.657958][  T578]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.658082][  T578]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.658205][  T578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.658331][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.658456][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.658578][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.658703][  T578]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.658828][  T578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.658958][  T578]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.659085][  T578]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.659208][  T578]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.659338][  T578]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.659462][  T578]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.659586][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.659711][  T578]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.659835][  T578]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.659964][  T578]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.660091][  T578]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.660215][  T578]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.660343][  T578]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.660496][  T578]  ? move_addr_to_kernel (net/socket.c:258)
[   18.660619][  T578]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.660745][  T578]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.660871][  T578]  ___sys_sendmsg (net/socket.c:2752)
[   18.661000][  T578]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.661153][  T578]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.661288][  T578]  __sys_sendmsg (net/socket.c:2784)
[   18.661420][  T578]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.661543][  T578]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.661701][  T578]  ? 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)
[   18.661825][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.661955][  T578]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.662080][  T578]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.662204][  T578]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.662332][  T578]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.662487][  T578] RIP: 0033:0x7f7fae1e508e
[   18.662617][  T578] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.663063][  T578] RSP: 002b:00007ffdf0e43fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.663249][  T578] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7fae1e508e
[   18.663437][  T578] RDX: 0000000000000000 RSI: 00007ffdf0e44080 RDI: 0000000000000005
[   18.663622][  T578] RBP: 00007ffdf0e43fe0 R08: 0000000000000000 R09: 0000000000000000
[   18.663805][  T578] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   18.663996][  T578] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf0e44750
| [   18.667639][  T578] ------------[ cut here ]------------
| [   18.667765][  T578] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/578
| [   18.667977][  T578] Modules linked in: ip_gre gre
| [   18.668344][  T578] Tainted: [W]=WARN
[   18.668434][  T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.668584][  T578] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.668740][  T578] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.669168][  T578] RSP: 0018:ffa000000182f190 EFLAGS: 00010286
[   18.669322][  T578] RAX: 00000000ffffffa6 RBX: ff1100000d368c80 RCX: 1ff4000000305df8
[   18.669499][  T578] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d368d3c
[   18.669677][  T578] RBP: ff11000009291000 R08: 1fe2200001a6d1a9 R09: ff1100000f5b2e58
[   18.669854][  T578] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.670037][  T578] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.670214][  T578] FS:  00007f7fadfab840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   18.670426][  T578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.670581][  T578] CR2: 0000000010fdd988 CR3: 000000000f4d5005 CR4: 0000000000771ef0
[   18.670759][  T578] PKRU: 55555554
[   18.670848][  T578] Call Trace:
[   18.670942][  T578]  <TASK>
[   18.671005][  T578]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.671157][  T578]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.671308][  T578]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.671428][  T578]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.671554][  T578]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.671702][  T578]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   18.671823][  T578]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   18.671949][  T578]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   18.672071][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.672189][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.672313][  T578]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.672434][  T578]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.672553][  T578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.672689][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.672808][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.672931][  T578]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.673051][  T578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.673170][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.673291][  T578]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   18.673417][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.673536][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.673655][  T578]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.673777][  T578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.673900][  T578]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.674028][  T578]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.674149][  T578]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.674269][  T578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.674391][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.674512][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.674629][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.674749][  T578]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.674872][  T578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.674998][  T578]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.675122][  T578]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.675240][  T578]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.675365][  T578]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.675485][  T578]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.675605][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.675725][  T578]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.675846][  T578]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.675974][  T578]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.676096][  T578]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.676216][  T578]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.676338][  T578]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.676486][  T578]  ? move_addr_to_kernel (net/socket.c:258)
[   18.676605][  T578]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.676726][  T578]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.676845][  T578]  ___sys_sendmsg (net/socket.c:2752)
[   18.676972][  T578]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.677121][  T578]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.677251][  T578]  __sys_sendmsg (net/socket.c:2784)
[   18.677375][  T578]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.677495][  T578]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.677645][  T578]  ? 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)
[   18.677764][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.677891][  T578]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.678011][  T578]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.678130][  T578]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.678250][  T578]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.678399][  T578] RIP: 0033:0x7f7fae1e508e
[   18.678523][  T578] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.678952][  T578] RSP: 002b:00007ffdf0e43fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.679133][  T578] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7fae1e508e
[   18.679313][  T578] RDX: 0000000000000000 RSI: 00007ffdf0e44080 RDI: 0000000000000005
[   18.679492][  T578] RBP: 00007ffdf0e43fe0 R08: 0000000000000000 R09: 0000000000000000
[   18.679669][  T578] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   18.679846][  T578] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf0e44750
| [   18.722958][  T579] ------------[ cut here ]------------
| [   18.723110][  T579] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/579
| [   18.723353][  T579] Modules linked in: ip_gre gre
| [   18.723775][  T579] Tainted: [W]=WARN
[   18.723878][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.724056][  T579] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.724234][  T579] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.724725][  T579] RSP: 0018:ffa000000183ef10 EFLAGS: 00010286
[   18.724899][  T579] RAX: 00000000ffffffa6 RBX: ff1100000d15f540 RCX: 1ff4000000307da8
[   18.725104][  T579] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15f5fc
[   18.725312][  T579] RBP: ff1100000fde1000 R08: 1fe2200001a2bec1 R09: ff1100000b4eae80
[   18.725519][  T579] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   18.725722][  T579] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   18.725931][  T579] FS:  00007faf8699a840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   18.726169][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.726344][  T579] CR2: 000000000042f320 CR3: 0000000010b10002 CR4: 0000000000771ef0
[   18.726551][  T579] PKRU: 55555554
[   18.726653][  T579] Call Trace:
[   18.726755][  T579]  <TASK>
[   18.726826][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.726976][  T579]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   18.727114][  T579]  notifier_call_chain (kernel/notifier.c:85)
[   18.727254][  T579]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   18.727399][  T579]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   18.727538][  T579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.727677][  T579]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.727815][  T579]  ? crng_make_state (drivers/char/random.c:383 (discriminator 14))
[   18.727961][  T579]  netif_set_mtu (net/core/dev.c:9910)
[   18.728099][  T579]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   18.728242][  T579]  dev_set_mtu (net/core/dev_api.c:249)
[   18.728351][  T579]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   18.728490][  T579]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   18.728630][  T579]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   18.728803][  T579] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   18.728946][  T579]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   18.729124][  T579]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   18.729264][  T579]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   18.729406][  T579]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   18.729544][  T579]  ? __dev_get_by_name (net/core/dev.c:883)
[   18.729681][  T579]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   18.729824][  T579]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   18.729971][  T579]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.730111][  T579]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.730247][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.730388][  T579]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.730526][  T579]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.730664][  T579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.730805][  T579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.730948][  T579]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.731087][  T579]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.731224][  T579]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.731365][  T579]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.731501][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.731639][  T579]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.731774][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.731918][  T579]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.732054][  T579]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.732191][  T579]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.732335][  T579]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.732472][  T579]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.732612][  T579]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.732750][  T579]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.732891][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.733030][  T579]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.733168][  T579]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.733309][  T579]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.733448][  T579]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.733586][  T579]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.733725][  T579]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.733899][  T579]  ? move_addr_to_kernel (net/socket.c:258)
[   18.734040][  T579]  ___sys_sendmsg (net/socket.c:2752)
[   18.734179][  T579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.734319][  T579]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.734465][  T579]  ? 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))
[   18.734604][  T579]  __sys_sendmsg (net/socket.c:2784)
[   18.734743][  T579]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.734891][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.735028][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.735167][  T579]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.735306][  T579]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.735442][  T579]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.735579][  T579]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.735749][  T579] RIP: 0033:0x7faf86bd408e
[   18.735899][  T579] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.736390][  T579] RSP: 002b:00007ffdda7ac180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.736596][  T579] RAX: ffffffffffffffda RBX: 00007ffdda7ac930 RCX: 00007faf86bd408e
[   18.736802][  T579] RDX: 0000000000000000 RSI: 00007ffdda7ac230 RDI: 0000000000000005
[   18.737012][  T579] RBP: 00007ffdda7ac190 R08: 0000000000000000 R09: 0000000000000000
[   18.737217][  T579] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   18.737427][  T579] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdda7ac8f0
| [   18.739016][  T579] ------------[ cut here ]------------
| [   18.739143][  T579] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/579
| [   18.739369][  T579] Modules linked in: ip_gre gre
| [   18.739766][  T579] Tainted: [W]=WARN
[   18.739864][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.740036][  T579] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.740204][  T579] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.740672][  T579] RSP: 0018:ffa000000183f1b0 EFLAGS: 00010286
[   18.740836][  T579] RAX: 00000000ffffffa6 RBX: ff1100000d15e740 RCX: 1ff4000000307dfc
[   18.741651][  T579] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15e7fc
[   18.741848][  T579] RBP: ff1100000fde1000 R08: 1fe2200001a2bd01 R09: ff1100000b4eae80
[   18.742099][  T579] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   18.742348][  T579] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f6d40
[   18.742544][  T579] FS:  00007faf8699a840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   18.742773][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.742989][  T579] CR2: 000000000042f320 CR3: 0000000010b10002 CR4: 0000000000771ef0
[   18.743185][  T579] PKRU: 55555554
[   18.743283][  T579] Call Trace:
[   18.743386][  T579]  <TASK>
[   18.743453][  T579]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.743585][  T579]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.743685][  T579]  __dev_notify_flags (net/core/dev.c:9787)
[   18.743817][  T579]  ? netif_change_name (net/core/dev.c:1495)
[   18.743953][  T579]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   18.744118][  T579]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   18.744250][  T579]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   18.744385][  T579]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   18.744515][  T579]  ? __dev_get_by_name (net/core/dev.c:883)
[   18.744647][  T579]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   18.744784][  T579]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   18.744925][  T579]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.745058][  T579]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.745186][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.745319][  T579]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.745450][  T579]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.745581][  T579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.745715][  T579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.745845][  T579]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.745981][  T579]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.746111][  T579]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.746240][  T579]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.746376][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.746509][  T579]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.746639][  T579]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.746770][  T579]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.746906][  T579]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.747037][  T579]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.747170][  T579]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.747299][  T579]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.747438][  T579]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.747570][  T579]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.747702][  T579]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.747834][  T579]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.747971][  T579]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.748102][  T579]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.748233][  T579]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.748368][  T579]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.748497][  T579]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.748659][  T579]  ? move_addr_to_kernel (net/socket.c:258)
[   18.748795][  T579]  ___sys_sendmsg (net/socket.c:2752)
[   18.748929][  T579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.749060][  T579]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.749198][  T579]  ? 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))
[   18.749334][  T579]  __sys_sendmsg (net/socket.c:2784)
[   18.749463][  T579]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.749596][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.749725][  T579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.749856][  T579]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.749991][  T579]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.750120][  T579]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.750250][  T579]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.750414][  T579] RIP: 0033:0x7faf86bd408e
[   18.750549][  T579] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.751017][  T579] RSP: 002b:00007ffdda7ac180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.751211][  T579] RAX: ffffffffffffffda RBX: 00007ffdda7ac930 RCX: 00007faf86bd408e
[   18.751411][  T579] RDX: 0000000000000000 RSI: 00007ffdda7ac230 RDI: 0000000000000005
[   18.751604][  T579] RBP: 00007ffdda7ac190 R08: 0000000000000000 R09: 0000000000000000
[   18.751797][  T579] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec17
[   18.751995][  T579] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdda7ac8f0
| [   18.817387][  T581] ------------[ cut here ]------------
| [   18.817576][  T581] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/581
| [   18.817842][  T581] Modules linked in: ip_gre gre
| [   18.818340][  T581] Tainted: [W]=WARN
[   18.818489][  T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.818695][  T581] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.818914][  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
[   18.819411][  T581] RSP: 0018:ffa000000185f020 EFLAGS: 00010286
[   18.819615][  T581] RAX: 00000000ffffffa6 RBX: ff1100000d3571c0 RCX: 1ff400000030bdca
[   18.819847][  T581] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d35727c
[   18.820175][  T581] RBP: ff1100000fde1000 R08: 1fe2200001a6ae51 R09: ff11000009c22e58
[   18.820499][  T581] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   18.820816][  T581] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.821113][  T581] FS:  00007fa2a12f4840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   18.821469][  T581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.821679][  T581] CR2: 000000000d35f988 CR3: 000000000a913001 CR4: 0000000000771ef0
[   18.821926][  T581] PKRU: 55555554
[   18.822066][  T581] Call Trace:
[   18.822205][  T581]  <TASK>
[   18.822330][  T581]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.822506][  T581]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.822648][  T581]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.822819][  T581]  __dev_notify_flags (net/core/dev.c:9787)
[   18.823004][  T581]  ? netif_change_name (net/core/dev.c:1495)
[   18.823178][  T581]  ? __dev_change_flags (net/core/dev.c:9752)
[   18.823358][  T581]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.823531][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.823703][  T581]  ? 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))
[   18.823879][  T581]  netif_change_flags (net/core/dev.c:9820)
[   18.824065][  T581]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.824241][  T581]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.824423][  T581]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   18.824596][  T581]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   18.824799][  T581]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.824982][  T581]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.825155][  T581]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.825331][  T581]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.825508][  T581]  ? __kernel_text_address (kernel/extable.c:79)
[   18.825679][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.825852][  T581]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.826034][  T581]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.826207][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.826385][  T581]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.826554][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.826726][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.826909][  T581]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.827083][  T581]  ? __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)
[   18.827255][  T581]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   18.827435][  T581]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.827609][  T581]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   18.827782][  T581]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   18.827968][  T581]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.828144][  T581]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.828319][  T581]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.828491][  T581]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.828661][  T581]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.828832][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.829017][  T581]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.829188][  T581]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.829367][  T581]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.829542][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.829719][  T581]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.829902][  T581]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.830074][  T581]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.830248][  T581]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.830427][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.830600][  T581]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.830773][  T581]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.830986][  T581]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.831156][  T581]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.831335][  T581]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.831511][  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))
[   18.831681][  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))
[   18.831856][  T581]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.832041][  T581]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.832217][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.832397][  T581]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.832570][  T581]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.832742][  T581]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.832929][  T581]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.833100][  T581]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.833269][  T581]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.833479][  T581]  ? move_addr_to_kernel (net/socket.c:258)
[   18.833652][  T581]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.833823][  T581]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.834007][  T581]  ___sys_sendmsg (net/socket.c:2752)
[   18.834177][  T581]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.834387][  T581]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.834568][  T581]  __sys_sendmsg (net/socket.c:2784)
[   18.834744][  T581]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.834925][  T581]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.835131][  T581]  ? 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)
[   18.835313][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.835490][  T581]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.835668][  T581]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.835838][  T581]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.836023][  T581]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.836228][  T581] RIP: 0033:0x7fa2a152e08e
[   18.836411][  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
[   18.836909][  T581] RSP: 002b:00007fff491c9310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.837149][  T581] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa2a152e08e
[   18.837393][  T581] RDX: 0000000000000000 RSI: 00007fff491c93c0 RDI: 0000000000000005
[   18.837622][  T581] RBP: 00007fff491c9320 R08: 0000000000000000 R09: 0000000000000000
[   18.837852][  T581] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec18
[   18.838096][  T581] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff491c9a90
| [   18.940560][  T588] ------------[ cut here ]------------
| [   18.940725][  T588] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/588
| [   18.940962][  T588] Modules linked in: ip_gre gre
| [   18.941364][  T588] Tainted: [W]=WARN
[   18.941461][  T588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.941624][  T588] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.941790][  T588] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.942248][  T588] RSP: 0018:ffa00000018af020 EFLAGS: 00010286
[   18.942412][  T588] RAX: 00000000ffffffa6 RBX: ff1100000576cac0 RCX: 1ff4000000315dca
[   18.942605][  T588] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576cb7c
[   18.942795][  T588] RBP: ff1100000fde1000 R08: 1fe2200000aed971 R09: ff1100000a94d158
[   18.942994][  T588] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   18.943185][  T588] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.943385][  T588] FS:  00007f2844fd7840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   18.943608][  T588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.943769][  T588] CR2: 000000000327a988 CR3: 000000000f11f001 CR4: 0000000000771ef0
[   18.944115][  T588] PKRU: 55555554
[   18.944212][  T588] Call Trace:
[   18.944314][  T588]  <TASK>
[   18.944382][  T588]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.944511][  T588]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.944608][  T588]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.944736][  T588]  __dev_notify_flags (net/core/dev.c:9787)
[   18.944866][  T588]  ? netif_change_name (net/core/dev.c:1495)
[   18.944999][  T588]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   18.945127][  T588]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.945254][  T588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.945387][  T588]  ? 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))
[   18.945515][  T588]  netif_change_flags (net/core/dev.c:9820)
[   18.945643][  T588]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.945770][  T588]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.945902][  T588]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   18.946031][  T588]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   18.946192][  T588]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.946326][  T588]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.946452][  T588]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.946578][  T588]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.946706][  T588]  ? __kernel_text_address (kernel/extable.c:79)
[   18.946834][  T588]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.946969][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.947098][  T588]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.947226][  T588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.947358][  T588]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.947486][  T588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.947612][  T588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.947739][  T588]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.947867][  T588]  ? __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)
[   18.948001][  T588]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   18.948130][  T588]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.948259][  T588]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   18.948394][  T588]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   18.948527][  T588]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.948656][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.948783][  T588]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.948918][  T588]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.949048][  T588]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.949175][  T588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.949311][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.949438][  T588]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.949564][  T588]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.949690][  T588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.949818][  T588]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.949950][  T588]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.950078][  T588]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.950206][  T588]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.950337][  T588]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.950466][  T588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.950592][  T588]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.950721][  T588]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.950848][  T588]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.950982][  T588]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.951114][  T588]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.951241][  T588]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.951375][  T588]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.951505][  T588]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.951634][  T588]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.951762][  T588]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.951897][  T588]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.952028][  T588]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.952158][  T588]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.952284][  T588]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.952416][  T588]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.952574][  T588]  ? move_addr_to_kernel (net/socket.c:258)
[   18.952702][  T588]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.952830][  T588]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.952963][  T588]  ___sys_sendmsg (net/socket.c:2752)
[   18.953092][  T588]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.953250][  T588]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.953394][  T588]  __sys_sendmsg (net/socket.c:2784)
[   18.953521][  T588]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.953648][  T588]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.953811][  T588]  ? 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)
[   18.953945][  T588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.954075][  T588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.954203][  T588]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.954333][  T588]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.954461][  T588]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.954619][  T588] RIP: 0033:0x7f284521108e
[   18.954753][  T588] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.955214][  T588] RSP: 002b:00007ffc1832cfa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.955409][  T588] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f284521108e
[   18.955600][  T588] RDX: 0000000000000000 RSI: 00007ffc1832d050 RDI: 0000000000000005
[   18.955791][  T588] RBP: 00007ffc1832cfb0 R08: 0000000000000000 R09: 0000000000000000
[   18.955988][  T588] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec18
[   18.956179][  T588] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1832d720
| [   19.024594][  T590] ------------[ cut here ]------------
| [   19.024752][  T590] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/590
| [   19.024994][  T590] Modules linked in: ip_gre gre
| [   19.025393][  T590] Tainted: [W]=WARN
[   19.025490][  T590] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.025649][  T590] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.025818][  T590] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.026277][  T590] RSP: 0018:ffa00000018cf020 EFLAGS: 00010286
[   19.026440][  T590] RAX: 00000000ffffffa6 RBX: ff110000097c3000 RCX: 1ff4000000319dca
[   19.026633][  T590] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c30bc
[   19.026827][  T590] RBP: ff1100000fde1000 R08: 1fe22000012f8619 R09: ff1100000fd92e58
[   19.027025][  T590] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   19.027214][  T590] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.027413][  T590] FS:  00007f2b09428840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   19.027637][  T590] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.027797][  T590] CR2: 0000000010b64988 CR3: 0000000010297003 CR4: 0000000000771ef0
[   19.028080][  T590] PKRU: 55555554
[   19.028177][  T590] Call Trace:
[   19.028272][  T590]  <TASK>
[   19.028346][  T590]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.028476][  T590]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.028575][  T590]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.028702][  T590]  __dev_notify_flags (net/core/dev.c:9787)
[   19.028831][  T590]  ? netif_change_name (net/core/dev.c:1495)
[   19.029025][  T590]  ? __dev_change_flags (net/core/dev.c:9752)
[   19.029154][  T590]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.029282][  T590]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.029417][  T590]  ? 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))
[   19.029548][  T590]  netif_change_flags (net/core/dev.c:9820)
[   19.029678][  T590]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.029808][  T590]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   19.030014][  T590]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.030208][  T590]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.030372][  T590]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.030501][  T590]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.030628][  T590]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.030757][  T590]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.030970][  T590]  ? __kernel_text_address (kernel/extable.c:79)
[   19.031099][  T590]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.031227][  T590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.031359][  T590]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.031487][  T590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.031616][  T590]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.031741][  T590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.031869][  T590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.032071][  T590]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.032201][  T590]  ? __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)
[   19.032334][  T590]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.032463][  T590]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.032592][  T590]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.032726][  T590]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.032858][  T590]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.033072][  T590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.033200][  T590]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.033333][  T590]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.033460][  T590]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.033587][  T590]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.033718][  T590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.033845][  T590]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.033993][  T590]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.034121][  T590]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.034251][  T590]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.034383][  T590]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.034511][  T590]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.034640][  T590]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.034768][  T590]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.034902][  T590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.035030][  T590]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.035160][  T590]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.035289][  T590]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.035422][  T590]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.035555][  T590]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.035683][  T590]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.035814][  T590]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.035948][  T590]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.036078][  T590]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.036208][  T590]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.036342][  T590]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.036473][  T590]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.036604][  T590]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.036734][  T590]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.036862][  T590]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.037024][  T590]  ? move_addr_to_kernel (net/socket.c:258)
[   19.037154][  T590]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.037285][  T590]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.037422][  T590]  ___sys_sendmsg (net/socket.c:2752)
[   19.037551][  T590]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.037712][  T590]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.037855][  T590]  __sys_sendmsg (net/socket.c:2784)
[   19.037990][  T590]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.038120][  T590]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.038284][  T590]  ? 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)
[   19.038424][  T590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.038554][  T590]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.038685][  T590]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.038814][  T590]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.038949][  T590]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.039113][  T590] RIP: 0033:0x7f2b0966208e
[   19.039247][  T590] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.039711][  T590] RSP: 002b:00007ffc53f38740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.039910][  T590] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2b0966208e
[   19.040102][  T590] RDX: 0000000000000000 RSI: 00007ffc53f387f0 RDI: 0000000000000005
[   19.040293][  T590] RBP: 00007ffc53f38750 R08: 0000000000000000 R09: 0000000000000000
[   19.040489][  T590] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec18
[   19.040681][  T590] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc53f38ec0
| [   19.168227][  T598] ------------[ cut here ]------------
| [   19.168375][  T598] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/598
| [   19.168594][  T598] Modules linked in: ip_gre gre
| [   19.168988][  T598] Tainted: [W]=WARN
[   19.169085][  T598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.169241][  T598] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.169409][  T598] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.169849][  T598] RSP: 0018:ffa000000191f060 EFLAGS: 00010286
[   19.170014][  T598] RAX: 00000000ffffffa6 RBX: ff1100000e174900 RCX: 1ff4000000323dd2
[   19.170198][  T598] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e1749bc
[   19.170386][  T598] RBP: ff1100000fde1000 R08: 1fe2200001c2e939 R09: ff1100000fd15158
[   19.170570][  T598] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   19.170755][  T598] R13: 0000000000000000 R14: 0000000000000000 R15: ffa000000191f0f8
[   19.171032][  T598] FS:  00007ff094538840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   19.171250][  T598] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.171408][  T598] CR2: 00000000124f9988 CR3: 0000000010940002 CR4: 0000000000771ef0
[   19.171595][  T598] PKRU: 55555554
[   19.171689][  T598] Call Trace:
[   19.171781][  T598]  <TASK>
[   19.171847][  T598]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.172058][  T598]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.172155][  T598]  netif_close_many (net/core/dev.c:1804)
[   19.172281][  T598]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.172409][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.172534][  T598]  ? __dev_close_many (net/core/dev.c:1781)
[   19.172660][  T598]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.172816][  T598]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.173037][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.173241][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.173372][  T598]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.173527][  T598]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.173651][  T598]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.173775][  T598]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.174003][  T598]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.174129][  T598]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.174255][  T598]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   19.174386][  T598]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.174510][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.174632][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.174757][  T598]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.174881][  T598]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.175068][  T598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.175208][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.175338][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.175462][  T598]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.175585][  T598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.175708][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.175834][  T598]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   19.176016][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.176139][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.176264][  T598]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.176394][  T598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.176520][  T598]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.176645][  T598]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.176769][  T598]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.176945][  T598]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.177067][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.177193][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.177318][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.177444][  T598]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.177568][  T598]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.177694][  T598]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.177823][  T598]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.178002][  T598]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.178129][  T598]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.178254][  T598]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.178385][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.178511][  T598]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.178637][  T598]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.178763][  T598]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.178942][  T598]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.179067][  T598]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.179193][  T598]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.179354][  T598]  ? move_addr_to_kernel (net/socket.c:258)
[   19.179480][  T598]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.179606][  T598]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.179731][  T598]  ___sys_sendmsg (net/socket.c:2752)
[   19.179854][  T598]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.180026][  T598]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.180162][  T598]  __sys_sendmsg (net/socket.c:2784)
[   19.180287][  T598]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.180417][  T598]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.180574][  T598]  ? 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)
[   19.180698][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.180822][  T598]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.180953][  T598]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.181077][  T598]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.181202][  T598]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.181360][  T598] RIP: 0033:0x7ff09477208e
[   19.181489][  T598] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.181941][  T598] RSP: 002b:00007fffd86d47f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.182128][  T598] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff09477208e
[   19.182315][  T598] RDX: 0000000000000000 RSI: 00007fffd86d48a0 RDI: 0000000000000005
[   19.182499][  T598] RBP: 00007fffd86d4800 R08: 0000000000000000 R09: 0000000000000000
[   19.182684][  T598] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec18
[   19.182871][  T598] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd86d4f70
| [   19.193433][  T598] ------------[ cut here ]------------
| [   19.193564][  T598] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/598
| [   19.193773][  T598] Modules linked in: ip_gre gre
| [   19.194144][  T598] Tainted: [W]=WARN
[   19.194235][  T598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.194392][  T598] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.194549][  T598] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.194983][  T598] RSP: 0018:ffa000000191f190 EFLAGS: 00010286
[   19.195134][  T598] RAX: 00000000ffffffa6 RBX: ff110000052eac80 RCX: 1ff4000000323df8
[   19.195315][  T598] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052ead3c
[   19.195495][  T598] RBP: ff1100000fde1000 R08: 1fe2200000a5d5a9 R09: ff1100000fd15158
[   19.195675][  T598] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.195855][  T598] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.196040][  T598] FS:  00007ff094538840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   19.196250][  T598] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.196405][  T598] CR2: 00000000124f9988 CR3: 0000000010940002 CR4: 0000000000771ef0
[   19.196585][  T598] PKRU: 55555554
[   19.196674][  T598] Call Trace:
[   19.196764][  T598]  <TASK>
[   19.196826][  T598]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.196984][  T598]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.197134][  T598]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.197257][  T598]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.197381][  T598]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.197531][  T598]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.197652][  T598]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   19.197771][  T598]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.198013][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.198140][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.198265][  T598]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.198395][  T598]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.198519][  T598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.198659][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.198779][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.198903][  T598]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.199023][  T598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.199143][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.199263][  T598]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   19.199392][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.199511][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.199630][  T598]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.199751][  T598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.199873][  T598]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.200000][  T598]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.200121][  T598]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.200243][  T598]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.200367][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.200488][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.200608][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.200731][  T598]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.200851][  T598]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.200983][  T598]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.201107][  T598]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.201229][  T598]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.201356][  T598]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.201478][  T598]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.201599][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.201720][  T598]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.201842][  T598]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.201977][  T598]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.202102][  T598]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.202222][  T598]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.202346][  T598]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.202497][  T598]  ? move_addr_to_kernel (net/socket.c:258)
[   19.202620][  T598]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.202740][  T598]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.202862][  T598]  ___sys_sendmsg (net/socket.c:2752)
[   19.202988][  T598]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.203142][  T598]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.203274][  T598]  __sys_sendmsg (net/socket.c:2784)
[   19.203399][  T598]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.203523][  T598]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.203676][  T598]  ? 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)
[   19.203797][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.203930][  T598]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.204051][  T598]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.204172][  T598]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.204292][  T598]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.204448][  T598] RIP: 0033:0x7ff09477208e
[   19.204574][  T598] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.205007][  T598] RSP: 002b:00007fffd86d47f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.205186][  T598] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff09477208e
[   19.205373][  T598] RDX: 0000000000000000 RSI: 00007fffd86d48a0 RDI: 0000000000000005
[   19.205553][  T598] RBP: 00007fffd86d4800 R08: 0000000000000000 R09: 0000000000000000
[   19.205734][  T598] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec18
[   19.205918][  T598] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd86d4f70
| [   19.245239][  T599] ------------[ cut here ]------------
| [   19.245398][  T599] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/599
| [   19.245642][  T599] Modules linked in: ip_gre gre
| [   19.246068][  T599] Tainted: [W]=WARN
[   19.246176][  T599] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.246351][  T599] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.246531][  T599] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.247025][  T599] RSP: 0018:ffa000000192ef10 EFLAGS: 00010286
[   19.247200][  T599] RAX: 00000000ffffffa6 RBX: ff1100000c109e00 RCX: 1ff4000000325da8
[   19.247410][  T599] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c109ebc
[   19.247616][  T599] RBP: ff11000010bec000 R08: 1fe22000018213d9 R09: ff11000010058b80
[   19.247821][  T599] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   19.248032][  T599] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   19.248239][  T599] FS:  00007f808f2e4840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   19.248485][  T599] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.248658][  T599] CR2: 00007f808f4dd460 CR3: 000000001018f002 CR4: 0000000000771ef0
[   19.248866][  T599] PKRU: 55555554
[   19.248975][  T599] Call Trace:
[   19.249079][  T599]  <TASK>
[   19.249151][  T599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.249288][  T599]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   19.249432][  T599]  notifier_call_chain (kernel/notifier.c:85)
[   19.249574][  T599]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   19.249713][  T599]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   19.249850][  T599]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   19.250028][  T599]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   19.250202][  T599]  ? crng_make_state (drivers/char/random.c:383 (discriminator 14))
[   19.250346][  T599]  netif_set_mtu (net/core/dev.c:9910)
[   19.250483][  T599]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   19.250620][  T599]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   19.250764][  T599]  dev_set_mtu (net/core/dev_api.c:249)
[   19.250869][  T599]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   19.251012][  T599]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   19.251155][  T599]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   19.251333][  T599] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   19.251473][  T599]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   19.251648][  T599]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   19.251788][  T599]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   19.251932][  T599]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   19.252072][  T599]  ? __dev_get_by_name (net/core/dev.c:883)
[   19.252211][  T599]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   19.252358][  T599]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   19.252500][  T599]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.252638][  T599]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.252775][  T599]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.252917][  T599]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.253055][  T599]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.253194][  T599]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.253339][  T599]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.253478][  T599]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.253617][  T599]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.253753][  T599]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.253895][  T599]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.254032][  T599]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.254171][  T599]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.254312][  T599]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.254450][  T599]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.254588][  T599]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.254727][  T599]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.254868][  T599]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.255010][  T599]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.255152][  T599]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.255292][  T599]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.255434][  T599]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.255574][  T599]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.255713][  T599]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.255853][  T599]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.255998][  T599]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.256137][  T599]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.256276][  T599]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.256452][  T599]  ? move_addr_to_kernel (net/socket.c:258)
[   19.256596][  T599]  ___sys_sendmsg (net/socket.c:2752)
[   19.256735][  T599]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.256873][  T599]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.257024][  T599]  ? 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))
[   19.257164][  T599]  __sys_sendmsg (net/socket.c:2784)
[   19.257305][  T599]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.257450][  T599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.257587][  T599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.257724][  T599]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.257864][  T599]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.258005][  T599]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.258144][  T599]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.258318][  T599] RIP: 0033:0x7f808f51e08e
[   19.258465][  T599] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.258964][  T599] RSP: 002b:00007fff68f90360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.259173][  T599] RAX: ffffffffffffffda RBX: 00007fff68f90b10 RCX: 00007f808f51e08e
[   19.259385][  T599] RDX: 0000000000000000 RSI: 00007fff68f90410 RDI: 0000000000000005
[   19.259592][  T599] RBP: 00007fff68f90370 R08: 0000000000000000 R09: 0000000000000000
[   19.259799][  T599] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec18
[   19.260008][  T599] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff68f90ad0
| [   19.261612][  T599] ------------[ cut here ]------------
| [   19.261741][  T599] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/599
| [   19.261974][  T599] Modules linked in: ip_gre gre
| [   19.262381][  T599] Tainted: [W]=WARN
[   19.262481][  T599] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.262646][  T599] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.262819][  T599] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.263294][  T599] RSP: 0018:ffa000000192f1b0 EFLAGS: 00010286
[   19.263465][  T599] RAX: 00000000ffffffa6 RBX: ff1100000c1091c0 RCX: 1ff4000000325dfc
[   19.263663][  T599] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c10927c
[   19.263861][  T599] RBP: ff11000010bec000 R08: 1fe2200001821251 R09: ff11000010058b80
[   19.264061][  T599] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.264257][  T599] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f6d40
[   19.264459][  T599] FS:  00007f808f2e4840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   19.264690][  T599] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.264855][  T599] CR2: 00007f808f4dd460 CR3: 000000001018f002 CR4: 0000000000771ef0
[   19.265061][  T599] PKRU: 55555554
[   19.265161][  T599] Call Trace:
[   19.265260][  T599]  <TASK>
[   19.265332][  T599]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.265467][  T599]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.265568][  T599]  __dev_notify_flags (net/core/dev.c:9787)
[   19.265702][  T599]  ? netif_change_name (net/core/dev.c:1495)
[   19.265837][  T599]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   19.266012][  T599]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   19.266147][  T599]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   19.266282][  T599]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   19.266418][  T599]  ? __dev_get_by_name (net/core/dev.c:883)
[   19.266551][  T599]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   19.266690][  T599]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   19.266829][  T599]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.266967][  T599]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.267099][  T599]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.267232][  T599]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.267368][  T599]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.267500][  T599]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.267637][  T599]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.267773][  T599]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.267910][  T599]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.268042][  T599]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.268175][  T599]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.268313][  T599]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.268447][  T599]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.268578][  T599]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.268711][  T599]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.268845][  T599]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.268984][  T599]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.269121][  T599]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.269253][  T599]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.269391][  T599]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.269526][  T599]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.269658][  T599]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.269792][  T599]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.269932][  T599]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.270066][  T599]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.270201][  T599]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.270338][  T599]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.270470][  T599]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.270634][  T599]  ? move_addr_to_kernel (net/socket.c:258)
[   19.270770][  T599]  ___sys_sendmsg (net/socket.c:2752)
[   19.270931][  T599]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.271062][  T599]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.271203][  T599]  ? 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))
[   19.271343][  T599]  __sys_sendmsg (net/socket.c:2784)
[   19.271476][  T599]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.271613][  T599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.271745][  T599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.271880][  T599]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.272018][  T599]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.272150][  T599]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.272281][  T599]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.272446][  T599] RIP: 0033:0x7f808f51e08e
[   19.272584][  T599] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.273061][  T599] RSP: 002b:00007fff68f90360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.273261][  T599] RAX: ffffffffffffffda RBX: 00007fff68f90b10 RCX: 00007f808f51e08e
[   19.273464][  T599] RDX: 0000000000000000 RSI: 00007fff68f90410 RDI: 0000000000000005
[   19.273661][  T599] RBP: 00007fff68f90370 R08: 0000000000000000 R09: 0000000000000000
[   19.273859][  T599] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec18
[   19.274059][  T599] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff68f90ad0
| [   19.365691][  T602] ------------[ cut here ]------------
| [   19.365846][  T602] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/602
| [   19.366490][  T602] Modules linked in: ip_gre gre
| [   19.366901][  T602] Tainted: [W]=WARN
[   19.367000][  T602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.367163][  T602] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.367344][  T602] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.367822][  T602] RSP: 0018:ffa000000195f020 EFLAGS: 00010286
[   19.367994][  T602] RAX: 00000000ffffffa6 RBX: ff1100000d162580 RCX: 1ff400000032bdca
[   19.368188][  T602] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d16263c
[   19.368388][  T602] RBP: ff11000010bec000 R08: 1fe2200001a2c4c9 R09: ff1100000fff8b58
[   19.368584][  T602] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   19.368778][  T602] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.368980][  T602] FS:  00007faa368be840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   19.369209][  T602] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.369379][  T602] CR2: 000000000cb88988 CR3: 000000000a39d006 CR4: 0000000000771ef0
[   19.369577][  T602] PKRU: 55555554
[   19.369676][  T602] Call Trace:
[   19.369774][  T602]  <TASK>
[   19.369842][  T602]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.369981][  T602]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.370081][  T602]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.370212][  T602]  __dev_notify_flags (net/core/dev.c:9787)
[   19.370357][  T602]  ? netif_change_name (net/core/dev.c:1495)
[   19.370488][  T602]  ? __dev_change_flags (net/core/dev.c:9752)
[   19.370621][  T602]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.370751][  T602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.370889][  T602]  ? 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))
[   19.371022][  T602]  netif_change_flags (net/core/dev.c:9820)
[   19.371154][  T602]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.371286][  T602]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   19.371425][  T602]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.371557][  T602]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.371720][  T602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.371851][  T602]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.371989][  T602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.372121][  T602]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.372254][  T602]  ? __kernel_text_address (kernel/extable.c:79)
[   19.372392][  T602]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.372525][  T602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.372656][  T602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.372788][  T602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.372926][  T602]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.373057][  T602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.373188][  T602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.373326][  T602]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.373458][  T602]  ? __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)
[   19.373589][  T602]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.373720][  T602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.373851][  T602]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.373992][  T602]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.374127][  T602]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.374261][  T602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.374395][  T602]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.374526][  T602]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.374656][  T602]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.374787][  T602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.374927][  T602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.375057][  T602]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.375188][  T602]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.375323][  T602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.375455][  T602]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.375587][  T602]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.375718][  T602]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.375849][  T602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.375984][  T602]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.376119][  T602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.376254][  T602]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.376414][  T602]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.376553][  T602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.376688][  T602]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.376823][  T602]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.376959][  T602]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.377093][  T602]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.377225][  T602]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.377362][  T602]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.377494][  T602]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.377627][  T602]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.377761][  T602]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.377901][  T602]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.378033][  T602]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.378164][  T602]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.378332][  T602]  ? move_addr_to_kernel (net/socket.c:258)
[   19.378463][  T602]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.378596][  T602]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.378728][  T602]  ___sys_sendmsg (net/socket.c:2752)
[   19.378858][  T602]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.379028][  T602]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.379172][  T602]  __sys_sendmsg (net/socket.c:2784)
[   19.379309][  T602]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.379440][  T602]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.379604][  T602]  ? 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)
[   19.379736][  T602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.379868][  T602]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.380006][  T602]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.380138][  T602]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.380270][  T602]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.380437][  T602] RIP: 0033:0x7faa36af808e
[   19.380577][  T602] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.381049][  T602] RSP: 002b:00007ffe47f3b9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.381248][  T602] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faa36af808e
[   19.381449][  T602] RDX: 0000000000000000 RSI: 00007ffe47f3ba60 RDI: 0000000000000005
[   19.381644][  T602] RBP: 00007ffe47f3b9c0 R08: 0000000000000000 R09: 0000000000000000
[   19.381839][  T602] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec18
[   19.382041][  T602] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe47f3c130
| [   19.497528][  T610] ------------[ cut here ]------------
| [   19.497692][  T610] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/610
| [   19.497932][  T610] Modules linked in: ip_gre gre
| [   19.498337][  T610] Tainted: [W]=WARN
[   19.498435][  T610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.498597][  T610] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.498765][  T610] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.499231][  T610] RSP: 0018:ffa00000019df020 EFLAGS: 00010286
[   19.499400][  T610] RAX: 00000000ffffffa6 RBX: ff1100000ab58ac0 RCX: 1ff400000033bdca
[   19.499591][  T610] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab58b7c
[   19.499782][  T610] RBP: ff11000010bec000 R08: 1fe220000156b171 R09: ff1100000fd95158
[   19.500128][  T610] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   19.500326][  T610] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.500521][  T610] FS:  00007fe0847c7840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   19.500745][  T610] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.500913][  T610] CR2: 00000000236b1988 CR3: 000000000f3ad004 CR4: 0000000000771ef0
[   19.501110][  T610] PKRU: 55555554
[   19.501206][  T610] Call Trace:
[   19.501306][  T610]  <TASK>
[   19.501374][  T610]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.501506][  T610]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.501605][  T610]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.501734][  T610]  __dev_notify_flags (net/core/dev.c:9787)
[   19.501866][  T610]  ? netif_change_name (net/core/dev.c:1495)
[   19.502002][  T610]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   19.502133][  T610]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.502263][  T610]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.502398][  T610]  ? 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))
[   19.502529][  T610]  netif_change_flags (net/core/dev.c:9820)
[   19.502659][  T610]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.502790][  T610]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   19.502941][  T610]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.503072][  T610]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.503234][  T610]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.503368][  T610]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.503496][  T610]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.503624][  T610]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.503754][  T610]  ? __kernel_text_address (kernel/extable.c:79)
[   19.503891][  T610]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.504024][  T610]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.504152][  T610]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.504281][  T610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.504414][  T610]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.504542][  T610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.504671][  T610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.504800][  T610]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.504934][  T610]  ? __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)
[   19.505065][  T610]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.505194][  T610]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.505328][  T610]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.505461][  T610]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.505593][  T610]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.505725][  T610]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.505854][  T610]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.505990][  T610]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.506119][  T610]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.506248][  T610]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.506383][  T610]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.506510][  T610]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.506638][  T610]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.506767][  T610]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.506901][  T610]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.507031][  T610]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.507159][  T610]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.507287][  T610]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.507420][  T610]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.507551][  T610]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.507680][  T610]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.507809][  T610]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.507944][  T610]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.508074][  T610]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.508206][  T610]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.508339][  T610]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.508470][  T610]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.508600][  T610]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.508729][  T610]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.508858][  T610]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.508996][  T610]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.509126][  T610]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.509257][  T610]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.509390][  T610]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.509519][  T610]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.509678][  T610]  ? move_addr_to_kernel (net/socket.c:258)
[   19.509807][  T610]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.509941][  T610]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.510073][  T610]  ___sys_sendmsg (net/socket.c:2752)
[   19.510200][  T610]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.510366][  T610]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.510506][  T610]  __sys_sendmsg (net/socket.c:2784)
[   19.510634][  T610]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.510762][  T610]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.510931][  T610]  ? 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)
[   19.511061][  T610]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.511191][  T610]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.511324][  T610]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.511454][  T610]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.511583][  T610]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.511743][  T610] RIP: 0033:0x7fe084a0108e
[   19.511879][  T610] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.512347][  T610] RSP: 002b:00007ffc66cbb550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.512543][  T610] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe084a0108e
[   19.512736][  T610] RDX: 0000000000000000 RSI: 00007ffc66cbb600 RDI: 0000000000000005
[   19.512934][  T610] RBP: 00007ffc66cbb560 R08: 0000000000000000 R09: 0000000000000000
[   19.513127][  T610] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec18
[   19.513324][  T610] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc66cbbcd0
| [   19.583895][  T612] ------------[ cut here ]------------
| [   19.584041][  T612] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/612
| [   19.584270][  T612] Modules linked in: ip_gre gre
| [   19.584674][  T612] Tainted: [W]=WARN
[   19.584772][  T612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.584941][  T612] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.585108][  T612] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.585569][  T612] RSP: 0018:ffa00000019ff020 EFLAGS: 00010286
[   19.585730][  T612] RAX: 00000000ffffffa6 RBX: ff1100000c109380 RCX: 1ff400000033fdca
[   19.585925][  T612] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c10943c
[   19.586119][  T612] RBP: ff11000010bec000 R08: 1fe2200001821289 R09: ff1100000fe15158
[   19.586313][  T612] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   19.586504][  T612] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.586696][  T612] FS:  00007fbd303a8840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   19.586928][  T612] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.587088][  T612] CR2: 0000000036b76988 CR3: 000000000f3ae003 CR4: 0000000000771ef0
[   19.587279][  T612] PKRU: 55555554
[   19.587380][  T612] Call Trace:
[   19.587475][  T612]  <TASK>
[   19.587541][  T612]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.587672][  T612]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.587770][  T612]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.587903][  T612]  __dev_notify_flags (net/core/dev.c:9787)
[   19.588033][  T612]  ? netif_change_name (net/core/dev.c:1495)
[   19.588162][  T612]  ? __dev_change_flags (net/core/dev.c:9752)
[   19.588290][  T612]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.588423][  T612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.588551][  T612]  ? 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))
[   19.588682][  T612]  netif_change_flags (net/core/dev.c:9820)
[   19.588811][  T612]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.588944][  T612]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   19.589074][  T612]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.589202][  T612]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.589366][  T612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.589495][  T612]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.589623][  T612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.589751][  T612]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.589881][  T612]  ? __kernel_text_address (kernel/extable.c:79)
[   19.590015][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.590145][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.590273][  T612]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.590409][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.590536][  T612]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.590663][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.590790][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.590923][  T612]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.591053][  T612]  ? __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)
[   19.591182][  T612]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.591314][  T612]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.591445][  T612]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.591576][  T612]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.591707][  T612]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.591836][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.591969][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.592096][  T612]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.592223][  T612]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.592354][  T612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.592485][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.592612][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.592740][  T612]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.592868][  T612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.593003][  T612]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.593131][  T612]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.593259][  T612]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.593393][  T612]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.593521][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.593650][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.593777][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.593909][  T612]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.594038][  T612]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.594166][  T612]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.594297][  T612]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.594430][  T612]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.594560][  T612]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.594690][  T612]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.594819][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.594953][  T612]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.595082][  T612]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.595213][  T612]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.595350][  T612]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.595480][  T612]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.595608][  T612]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.595766][  T612]  ? move_addr_to_kernel (net/socket.c:258)
[   19.595899][  T612]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.596028][  T612]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.596158][  T612]  ___sys_sendmsg (net/socket.c:2752)
[   19.596285][  T612]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.596450][  T612]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.596590][  T612]  __sys_sendmsg (net/socket.c:2784)
[   19.596717][  T612]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.596844][  T612]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.597010][  T612]  ? 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)
[   19.597138][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.597267][  T612]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.597403][  T612]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.597532][  T612]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.597659][  T612]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.597819][  T612] RIP: 0033:0x7fbd305e208e
[   19.597959][  T612] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.598422][  T612] RSP: 002b:00007fffd0f24a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.598615][  T612] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd305e208e
[   19.598806][  T612] RDX: 0000000000000000 RSI: 00007fffd0f24b30 RDI: 0000000000000005
[   19.599003][  T612] RBP: 00007fffd0f24a90 R08: 0000000000000000 R09: 0000000000000000
[   19.599195][  T612] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec18
[   19.599392][  T612] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd0f25200
| [   19.720204][  T621] ------------[ cut here ]------------
| [   19.720361][  T621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/621
| [   19.720583][  T621] Modules linked in: ip_gre gre
| [   19.720973][  T621] Tainted: [W]=WARN
[   19.721068][  T621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.721222][  T621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.721390][  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
[   19.721831][  T621] RSP: 0018:ffa0000001a8f060 EFLAGS: 00010286
[   19.722248][  T621] RAX: 00000000ffffffa6 RBX: ff1100000c991c40 RCX: 1ff4000000351dd2
[   19.722438][  T621] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c991cfc
[   19.722623][  T621] RBP: ff11000010bec000 R08: 1fe22000019323a1 R09: ff11000009bbd158
[   19.722808][  T621] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   19.722998][  T621] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001a8f0f8
[   19.723188][  T621] FS:  00007fd3e171c840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   19.723409][  T621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.723566][  T621] CR2: 000000002fce1988 CR3: 00000000100e5005 CR4: 0000000000771ef0
[   19.723752][  T621] PKRU: 55555554
[   19.723845][  T621] Call Trace:
[   19.723943][  T621]  <TASK>
[   19.724008][  T621]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.724138][  T621]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.724233][  T621]  netif_close_many (net/core/dev.c:1804)
[   19.724362][  T621]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.724486][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.724611][  T621]  ? __dev_close_many (net/core/dev.c:1781)
[   19.724736][  T621]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.724897][  T621]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.725055][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.725179][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.725309][  T621]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.725463][  T621]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.725589][  T621]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.725713][  T621]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.725867][  T621]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.725998][  T621]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.726123][  T621]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   19.726248][  T621]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.726377][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.726499][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.726623][  T621]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.726747][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.726871][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.727018][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.727141][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.727265][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.727392][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.727514][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.727637][  T621]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   19.727762][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.727891][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.728014][  T621]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.728137][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.728261][  T621]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.728393][  T621]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.728515][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.728639][  T621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.728761][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.728892][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.729014][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.729138][  T621]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.729261][  T621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.729391][  T621]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.729518][  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))
[   19.729642][  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))
[   19.729770][  T621]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.729899][  T621]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.730023][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.730147][  T621]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.730273][  T621]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.730402][  T621]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.730528][  T621]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.730653][  T621]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.730778][  T621]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.730937][  T621]  ? move_addr_to_kernel (net/socket.c:258)
[   19.731062][  T621]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.731187][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.731316][  T621]  ___sys_sendmsg (net/socket.c:2752)
[   19.731439][  T621]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.731593][  T621]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.731731][  T621]  __sys_sendmsg (net/socket.c:2784)
[   19.731855][  T621]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.731985][  T621]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.732140][  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)
[   19.732264][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.732393][  T621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.732516][  T621]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.732643][  T621]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.732767][  T621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.732926][  T621] RIP: 0033:0x7fd3e195608e
[   19.733056][  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
[   19.733503][  T621] RSP: 002b:00007ffc1e401350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.733688][  T621] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd3e195608e
[   19.733874][  T621] RDX: 0000000000000000 RSI: 00007ffc1e401400 RDI: 0000000000000005
[   19.734063][  T621] RBP: 00007ffc1e401360 R08: 0000000000000000 R09: 0000000000000000
[   19.734248][  T621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec18
[   19.734438][  T621] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1e401ad0
| [   19.745411][  T621] ------------[ cut here ]------------
| [   19.745540][  T621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/621
| [   19.745746][  T621] Modules linked in: ip_gre gre
| [   19.746116][  T621] Tainted: [W]=WARN
[   19.746207][  T621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.746363][  T621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.746516][  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
[   19.746942][  T621] RSP: 0018:ffa0000001a8f190 EFLAGS: 00010286
[   19.747092][  T621] RAX: 00000000ffffffa6 RBX: ff1100000e175540 RCX: 1ff4000000351df8
[   19.747275][  T621] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e1755fc
[   19.747456][  T621] RBP: ff11000010bec000 R08: 1fe2200001c2eac1 R09: ff11000009bbd158
[   19.747632][  T621] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.747807][  T621] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.747990][  T621] FS:  00007fd3e171c840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   19.748197][  T621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.748349][  T621] CR2: 000000002fce1988 CR3: 00000000100e5005 CR4: 0000000000771ef0
[   19.748531][  T621] PKRU: 55555554
[   19.748620][  T621] Call Trace:
[   19.748709][  T621]  <TASK>
[   19.748772][  T621]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.748928][  T621]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.749076][  T621]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.749196][  T621]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.749316][  T621]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.749464][  T621]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.749585][  T621]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   19.749705][  T621]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.749824][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.749948][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.750066][  T621]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.750185][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.750303][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.750443][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.750561][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.750679][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.750798][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.751064][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.751184][  T621]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   19.751308][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.751426][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.751544][  T621]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.751665][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.751785][  T621]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.751910][  T621]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.752029][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.752148][  T621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.752266][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.752391][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.752509][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.752629][  T621]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.752749][  T621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.752867][  T621]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.752996][  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))
[   19.753115][  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))
[   19.753236][  T621]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.753361][  T621]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.753489][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.753609][  T621]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.753730][  T621]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.753851][  T621]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.753978][  T621]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.754098][  T621]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.754219][  T621]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.754371][  T621]  ? move_addr_to_kernel (net/socket.c:258)
[   19.754493][  T621]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.754614][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.754736][  T621]  ___sys_sendmsg (net/socket.c:2752)
[   19.754855][  T621]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.755010][  T621]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.755141][  T621]  __sys_sendmsg (net/socket.c:2784)
[   19.755259][  T621]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.755385][  T621]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.755536][  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)
[   19.755655][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.755775][  T621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.755898][  T621]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.756017][  T621]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.756138][  T621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.756288][  T621] RIP: 0033:0x7fd3e195608e
[   19.756420][  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
[   19.756842][  T621] RSP: 002b:00007ffc1e401350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.757028][  T621] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd3e195608e
[   19.757208][  T621] RDX: 0000000000000000 RSI: 00007ffc1e401400 RDI: 0000000000000005
[   19.757390][  T621] RBP: 00007ffc1e401360 R08: 0000000000000000 R09: 0000000000000000
[   19.757575][  T621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec18
[   19.757762][  T621] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1e401ad0
| [   19.797116][  T622] ------------[ cut here ]------------
| [   19.797275][  T622] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/622
| [   19.797513][  T622] Modules linked in: ip_gre gre
| [   19.798318][  T622] Tainted: [W]=WARN
[   19.798421][  T622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.798590][  T622] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.798792][  T622] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.799271][  T622] RSP: 0018:ffa0000001a9ef10 EFLAGS: 00010286
[   19.799445][  T622] RAX: 00000000ffffffa6 RBX: ff1100000576d8c0 RCX: 1ff4000000353da8
[   19.799644][  T622] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576d97c
[   19.799842][  T622] RBP: ff1100000a884000 R08: 1fe2200000aedb31 R09: ff11000009bb8b80
[   19.800048][  T622] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   19.800249][  T622] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.800452][  T622] FS:  00007fdc55178840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   19.800685][  T622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.800853][  T622] CR2: 00007fdc554ed040 CR3: 000000000f6cf006 CR4: 0000000000771ef0
[   19.801066][  T622] PKRU: 55555554
[   19.801166][  T622] Call Trace:
[   19.801268][  T622]  <TASK>
[   19.801342][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.801480][  T622]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   19.801614][  T622]  notifier_call_chain (kernel/notifier.c:85)
[   19.801752][  T622]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   19.801892][  T622]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   19.802026][  T622]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   19.802201][  T622]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   19.802375][  T622]  ? crng_make_state (drivers/char/random.c:383 (discriminator 14))
[   19.802512][  T622]  netif_set_mtu (net/core/dev.c:9910)
[   19.802646][  T622]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   19.802779][  T622]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   19.802927][  T622]  dev_set_mtu (net/core/dev_api.c:249)
[   19.803030][  T622]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   19.803166][  T622]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   19.803302][  T622]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   19.803478][  T622] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   19.803614][  T622]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   19.803784][  T622]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   19.803926][  T622]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   19.804064][  T622]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   19.804199][  T622]  ? __dev_get_by_name (net/core/dev.c:883)
[   19.804340][  T622]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   19.804480][  T622]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   19.804620][  T622]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.804757][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.804898][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.805032][  T622]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.805167][  T622]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.805300][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.805444][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.805579][  T622]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.805712][  T622]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.805847][  T622]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.805986][  T622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.806120][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.806257][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.806397][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.806533][  T622]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.806668][  T622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.806803][  T622]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.806947][  T622]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.807081][  T622]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.807217][  T622]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.807358][  T622]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.807494][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.807628][  T622]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.807762][  T622]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.807963][  T622]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.808100][  T622]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.808235][  T622]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.808374][  T622]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.808541][  T622]  ? move_addr_to_kernel (net/socket.c:258)
[   19.808679][  T622]  ___sys_sendmsg (net/socket.c:2752)
[   19.808812][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.809017][  T622]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.809162][  T622]  ? 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))
[   19.809299][  T622]  __sys_sendmsg (net/socket.c:2784)
[   19.809442][  T622]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.809580][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.809714][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.809849][  T622]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.810059][  T622]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.810193][  T622]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.810334][  T622]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.810502][  T622] RIP: 0033:0x7fdc553b208e
[   19.810645][  T622] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.811184][  T622] RSP: 002b:00007ffca2d771b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.811393][  T622] RAX: ffffffffffffffda RBX: 00007ffca2d77960 RCX: 00007fdc553b208e
[   19.811596][  T622] RDX: 0000000000000000 RSI: 00007ffca2d77260 RDI: 0000000000000005
[   19.811796][  T622] RBP: 00007ffca2d771c0 R08: 0000000000000000 R09: 0000000000000000
[   19.812044][  T622] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec19
[   19.812247][  T622] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca2d77920
| [   19.813821][  T622] ------------[ cut here ]------------
| [   19.813954][  T622] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/622
| [   19.814176][  T622] Modules linked in: ip_gre gre
| [   19.814573][  T622] Tainted: [W]=WARN
[   19.814669][  T622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.814832][  T622] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.815004][  T622] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.815470][  T622] RSP: 0018:ffa0000001a9f1b0 EFLAGS: 00010286
[   19.815633][  T622] RAX: 00000000ffffffa6 RBX: ff1100000576d380 RCX: 1ff4000000353dfc
[   19.815828][  T622] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576d43c
[   19.816031][  T622] RBP: ff1100000a884000 R08: 1fe2200000aeda89 R09: ff11000009bb8b80
[   19.816224][  T622] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.816423][  T622] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f6d40
[   19.816618][  T622] FS:  00007fdc55178840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   19.816845][  T622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.817014][  T622] CR2: 00007fdc554ed040 CR3: 000000000f6cf006 CR4: 0000000000771ef0
[   19.817208][  T622] PKRU: 55555554
[   19.817309][  T622] Call Trace:
[   19.817406][  T622]  <TASK>
[   19.817473][  T622]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.817605][  T622]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.817707][  T622]  __dev_notify_flags (net/core/dev.c:9787)
[   19.817839][  T622]  ? netif_change_name (net/core/dev.c:1495)
[   19.817976][  T622]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   19.818141][  T622]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   19.818273][  T622]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   19.818409][  T622]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   19.818540][  T622]  ? __dev_get_by_name (net/core/dev.c:883)
[   19.818671][  T622]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   19.818807][  T622]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   19.818947][  T622]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.819081][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.819212][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.819347][  T622]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.819478][  T622]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.819608][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.819746][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.819879][  T622]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.820015][  T622]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.820146][  T622]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.820279][  T622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.820413][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.820546][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.820678][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.820811][  T622]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.820948][  T622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.821079][  T622]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.821212][  T622]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.821349][  T622]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.821483][  T622]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.821619][  T622]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.821756][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.821898][  T622]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.822031][  T622]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.822164][  T622]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.822296][  T622]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.822438][  T622]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.822569][  T622]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.822733][  T622]  ? move_addr_to_kernel (net/socket.c:258)
[   19.822870][  T622]  ___sys_sendmsg (net/socket.c:2752)
[   19.823006][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.823139][  T622]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.823280][  T622]  ? 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))
[   19.823432][  T622]  __sys_sendmsg (net/socket.c:2784)
[   19.823564][  T622]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.823702][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.823868][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.824075][  T622]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.824242][  T622]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.824383][  T622]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.824515][  T622]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.824678][  T622] RIP: 0033:0x7fdc553b208e
[   19.824814][  T622] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.825291][  T622] RSP: 002b:00007ffca2d771b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.825497][  T622] RAX: ffffffffffffffda RBX: 00007ffca2d77960 RCX: 00007fdc553b208e
[   19.825693][  T622] RDX: 0000000000000000 RSI: 00007ffca2d77260 RDI: 0000000000000005
[   19.825894][  T622] RBP: 00007ffca2d771c0 R08: 0000000000000000 R09: 0000000000000000
[   19.826092][  T622] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec19
[   19.826289][  T622] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca2d77920
| [   19.944780][  T625] ------------[ cut here ]------------
| [   19.944951][  T625] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/625
| [   19.945188][  T625] Modules linked in: ip_gre gre
| [   19.945598][  T625] Tainted: [W]=WARN
[   19.945697][  T625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.945859][  T625] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.946033][  T625] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.946498][  T625] RSP: 0018:ffa0000001acf020 EFLAGS: 00010286
[   19.946662][  T625] RAX: 00000000ffffffa6 RBX: ff1100000c2db700 RCX: 1ff4000000359dca
[   19.946855][  T625] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2db7bc
[   19.947053][  T625] RBP: ff1100000a884000 R08: 1fe220000185b6f9 R09: ff1100000aa70b58
[   19.947245][  T625] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   19.947443][  T625] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.947638][  T625] FS:  00007fa6dee6c840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   19.947863][  T625] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.948028][  T625] CR2: 00000000115da988 CR3: 0000000010a8f006 CR4: 0000000000771ef0
[   19.948222][  T625] PKRU: 55555554
[   19.948325][  T625] Call Trace:
[   19.948423][  T625]  <TASK>
[   19.948491][  T625]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.948625][  T625]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.948723][  T625]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.948854][  T625]  __dev_notify_flags (net/core/dev.c:9787)
[   19.948992][  T625]  ? netif_change_name (net/core/dev.c:1495)
[   19.949123][  T625]  ? __dev_change_flags (net/core/dev.c:9752)
[   19.949253][  T625]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.949387][  T625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.949518][  T625]  ? 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))
[   19.949649][  T625]  netif_change_flags (net/core/dev.c:9820)
[   19.949779][  T625]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.949916][  T625]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   19.950048][  T625]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.950179][  T625]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.950343][  T625]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.950473][  T625]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.950602][  T625]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.950730][  T625]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.950860][  T625]  ? __kernel_text_address (kernel/extable.c:79)
[   19.950993][  T625]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.951125][  T625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.951255][  T625]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.951389][  T625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.951517][  T625]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.951645][  T625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.951774][  T625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.951909][  T625]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.952040][  T625]  ? __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)
[   19.952170][  T625]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.952302][  T625]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.952438][  T625]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.952571][  T625]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.952704][  T625]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.952834][  T625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.952969][  T625]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.953098][  T625]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.953227][  T625]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.953360][  T625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.953491][  T625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.953620][  T625]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.953749][  T625]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.953878][  T625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.954014][  T625]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.954144][  T625]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.954273][  T625]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.954407][  T625]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.954535][  T625]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.954665][  T625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.954795][  T625]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.954931][  T625]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.955059][  T625]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.955187][  T625]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.955323][  T625]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.955451][  T625]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.955581][  T625]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.955712][  T625]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.955842][  T625]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.955977][  T625]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.956108][  T625]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.956240][  T625]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.956377][  T625]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.956508][  T625]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.956638][  T625]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.956796][  T625]  ? move_addr_to_kernel (net/socket.c:258)
[   19.956932][  T625]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.957062][  T625]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.957193][  T625]  ___sys_sendmsg (net/socket.c:2752)
[   19.957324][  T625]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.957484][  T625]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.957624][  T625]  __sys_sendmsg (net/socket.c:2784)
[   19.957753][  T625]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.957882][  T625]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.958056][  T625]  ? 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)
[   19.958185][  T625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.958320][  T625]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.958450][  T625]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.958580][  T625]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.958710][  T625]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.958870][  T625] RIP: 0033:0x7fa6df0a608e
[   19.959013][  T625] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.959480][  T625] RSP: 002b:00007ffc95fb97c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.959675][  T625] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa6df0a608e
[   19.959868][  T625] RDX: 0000000000000000 RSI: 00007ffc95fb9870 RDI: 0000000000000005
[   19.960066][  T625] RBP: 00007ffc95fb97d0 R08: 0000000000000000 R09: 0000000000000000
[   19.960259][  T625] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec19
[   19.960457][  T625] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc95fb9f40
| [   20.066750][  T633] ------------[ cut here ]------------
| [   20.066942][  T633] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/633
| [   20.067209][  T633] Modules linked in: ip_gre gre
| [   20.067693][  T633] Tainted: [W]=WARN
[   20.067833][  T633] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.068049][  T633] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.068258][  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
[   20.068766][  T633] RSP: 0018:ffa0000000847020 EFLAGS: 00010286
[   20.068978][  T633] RAX: 00000000ffffffa6 RBX: ff1100000282b000 RCX: 1ff4000000108dca
[   20.069210][  T633] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282b0bc
[   20.069452][  T633] RBP: ff1100000a884000 R08: 1fe2200000505619 R09: ff1100000f125158
[   20.069683][  T633] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   20.070003][  T633] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.070328][  T633] FS:  00007ff56635e840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   20.070675][  T633] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.070979][  T633] CR2: 00000000090bc988 CR3: 0000000009894004 CR4: 0000000000771ef0
[   20.071277][  T633] PKRU: 55555554
[   20.071500][  T633] Call Trace:
[   20.071710][  T633]  <TASK>
[   20.071870][  T633]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.072064][  T633]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.072205][  T633]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.072381][  T633]  __dev_notify_flags (net/core/dev.c:9787)
[   20.072555][  T633]  ? netif_change_name (net/core/dev.c:1495)
[   20.072727][  T633]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   20.072909][  T633]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.073078][  T633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.073252][  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))
[   20.073432][  T633]  netif_change_flags (net/core/dev.c:9820)
[   20.073604][  T633]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.073777][  T633]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.073964][  T633]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.074137][  T633]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.074347][  T633]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.074518][  T633]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.074689][  T633]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.074860][  T633]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.075046][  T633]  ? __kernel_text_address (kernel/extable.c:79)
[   20.075219][  T633]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.075399][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.075568][  T633]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.075739][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.075920][  T633]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.076090][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.076260][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.076438][  T633]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.076610][  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)
[   20.076781][  T633]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.076965][  T633]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.077138][  T633]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.077318][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.077493][  T633]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.077666][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.077834][  T633]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.078018][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.078189][  T633]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.078365][  T633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.078541][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.078709][  T633]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.078879][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.079066][  T633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.079238][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.079415][  T633]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.079585][  T633]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.079756][  T633]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.079934][  T633]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.080106][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.080274][  T633]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.080447][  T633]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.080616][  T633]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.080789][  T633]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.080973][  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))
[   20.081142][  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))
[   20.081320][  T633]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.081493][  T633]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.081664][  T633]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.081836][  T633]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.082024][  T633]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.082196][  T633]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.082377][  T633]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.082548][  T633]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.082718][  T633]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.082931][  T633]  ? move_addr_to_kernel (net/socket.c:258)
[   20.083103][  T633]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.083276][  T633]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.083454][  T633]  ___sys_sendmsg (net/socket.c:2752)
[   20.083624][  T633]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.083824][  T633]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.084018][  T633]  __sys_sendmsg (net/socket.c:2784)
[   20.084190][  T633]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.084364][  T633]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.084571][  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)
[   20.084742][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.084926][  T633]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.085098][  T633]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.085269][  T633]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.085445][  T633]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.085645][  T633] RIP: 0033:0x7ff56659808e
[   20.085822][  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
[   20.086330][  T633] RSP: 002b:00007ffcd42cf100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.086565][  T633] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff56659808e
[   20.086795][  T633] RDX: 0000000000000000 RSI: 00007ffcd42cf1b0 RDI: 0000000000000005
[   20.087042][  T633] RBP: 00007ffcd42cf110 R08: 0000000000000000 R09: 0000000000000000
[   20.087271][  T633] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec19
[   20.087504][  T633] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd42cf880
| [   20.154608][  T635] ------------[ cut here ]------------
| [   20.154790][  T635] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/635
| [   20.155067][  T635] Modules linked in: ip_gre gre
| [   20.155550][  T635] Tainted: [W]=WARN
[   20.155689][  T635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.155977][  T635] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.156273][  T635] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.156834][  T635] RSP: 0018:ffa0000001b1f020 EFLAGS: 00010286
[   20.157051][  T635] RAX: 00000000ffffffa6 RBX: ff110000051f7540 RCX: 1ff4000000363dca
[   20.157281][  T635] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f75fc
[   20.157520][  T635] RBP: ff1100000a884000 R08: 1fe2200000a3eec1 R09: ff110000101c5158
[   20.157750][  T635] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   20.157995][  T635] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.158228][  T635] FS:  00007f3795a61840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   20.158496][  T635] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.158696][  T635] CR2: 00007f3795d311a0 CR3: 000000000b928001 CR4: 0000000000771ef0
[   20.158938][  T635] PKRU: 55555554
[   20.159075][  T635] Call Trace:
[   20.159214][  T635]  <TASK>
[   20.159330][  T635]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.159503][  T635]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.159644][  T635]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.159813][  T635]  __dev_notify_flags (net/core/dev.c:9787)
[   20.159996][  T635]  ? netif_change_name (net/core/dev.c:1495)
[   20.160166][  T635]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.160346][  T635]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.160514][  T635]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.160684][  T635]  ? 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))
[   20.160855][  T635]  netif_change_flags (net/core/dev.c:9820)
[   20.161036][  T635]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.161205][  T635]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.161386][  T635]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.161555][  T635]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.161755][  T635]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.161934][  T635]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.162103][  T635]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.162273][  T635]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.162446][  T635]  ? __kernel_text_address (kernel/extable.c:79)
[   20.162618][  T635]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.162790][  T635]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.162969][  T635]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.163140][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.163316][  T635]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.163486][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.163656][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.163826][  T635]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.164014][  T635]  ? __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)
[   20.164184][  T635]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.164362][  T635]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.164535][  T635]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.164709][  T635]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.164895][  T635]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.165067][  T635]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.165238][  T635]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.165414][  T635]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.165582][  T635]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.165752][  T635]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.165937][  T635]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.166106][  T635]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.166276][  T635]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.166452][  T635]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.166626][  T635]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.166796][  T635]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.166979][  T635]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.167150][  T635]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.167325][  T635]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.167499][  T635]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.167668][  T635]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.167840][  T635]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.168024][  T635]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.168195][  T635]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.168375][  T635]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.168542][  T635]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.168714][  T635]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.168900][  T635]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.169070][  T635]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.169243][  T635]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.169421][  T635]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.169592][  T635]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.169762][  T635]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.169946][  T635]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.170116][  T635]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.170322][  T635]  ? move_addr_to_kernel (net/socket.c:258)
[   20.170499][  T635]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.170670][  T635]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.170845][  T635]  ___sys_sendmsg (net/socket.c:2752)
[   20.171026][  T635]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.171227][  T635]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.171417][  T635]  __sys_sendmsg (net/socket.c:2784)
[   20.171589][  T635]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.171758][  T635]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.171978][  T635]  ? 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)
[   20.172150][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.172327][  T635]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.172497][  T635]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.172667][  T635]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.172838][  T635]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.173050][  T635] RIP: 0033:0x7f3795c9b08e
[   20.173229][  T635] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.173719][  T635] RSP: 002b:00007ffed9c40e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.173964][  T635] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3795c9b08e
[   20.174197][  T635] RDX: 0000000000000000 RSI: 00007ffed9c40f40 RDI: 0000000000000005
[   20.174433][  T635] RBP: 00007ffed9c40ea0 R08: 0000000000000000 R09: 0000000000000000
[   20.174663][  T635] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec19
[   20.174907][  T635] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed9c41610
| [   20.304623][  T644] ------------[ cut here ]------------
| [   20.304783][  T644] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/644
| [   20.305016][  T644] Modules linked in: ip_gre gre
| [   20.305413][  T644] Tainted: [W]=WARN
[   20.305508][  T644] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.305666][  T644] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.305834][  T644] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.306289][  T644] RSP: 0018:ffa00000018ff060 EFLAGS: 00010286
[   20.306454][  T644] RAX: 00000000ffffffa6 RBX: ff1100000f23f380 RCX: 1ff400000031fdd2
[   20.306642][  T644] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23f43c
[   20.306835][  T644] RBP: ff1100000a884000 R08: 1fe2200001e47e89 R09: ff1100001015ae58
[   20.307028][  T644] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   20.307216][  T644] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000018ff0f8
[   20.307412][  T644] FS:  00007f31cee64840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   20.307639][  T644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.307799][  T644] CR2: 0000000006562988 CR3: 00000000109fd006 CR4: 0000000000771ef0
[   20.307993][  T644] PKRU: 55555554
[   20.308088][  T644] Call Trace:
[   20.308182][  T644]  <TASK>
[   20.308248][  T644]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.308381][  T644]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.308477][  T644]  netif_close_many (net/core/dev.c:1804)
[   20.308603][  T644]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.308732][  T644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.308860][  T644]  ? __dev_close_many (net/core/dev.c:1781)
[   20.309043][  T644]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.309201][  T644]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.309364][  T644]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.309490][  T644]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.309615][  T644]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.309770][  T644]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.309948][  T644]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.310074][  T644]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.310280][  T644]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   20.310411][  T644]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.310537][  T644]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   20.310664][  T644]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.310789][  T644]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.310967][  T644]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.311091][  T644]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.311216][  T644]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.311344][  T644]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.311487][  T644]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.311612][  T644]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.311737][  T644]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.311862][  T644]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.312038][  T644]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.312162][  T644]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   20.312289][  T644]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.312419][  T644]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.312543][  T644]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.312668][  T644]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.312794][  T644]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.312973][  T644]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.313098][  T644]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.313221][  T644]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.313351][  T644]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.313478][  T644]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.313602][  T644]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.313729][  T644]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.313855][  T644]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.314039][  T644]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.314170][  T644]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.314297][  T644]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.314431][  T644]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.314557][  T644]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.314683][  T644]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.314811][  T644]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.314992][  T644]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.315119][  T644]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.315246][  T644]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.315375][  T644]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.315501][  T644]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.315655][  T644]  ? move_addr_to_kernel (net/socket.c:258)
[   20.315780][  T644]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.315961][  T644]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.316088][  T644]  ___sys_sendmsg (net/socket.c:2752)
[   20.316214][  T644]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.316375][  T644]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.316512][  T644]  __sys_sendmsg (net/socket.c:2784)
[   20.316636][  T644]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.316762][  T644]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.316983][  T644]  ? 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)
[   20.317110][  T644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.317236][  T644]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.317368][  T644]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.317494][  T644]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.317621][  T644]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.317779][  T644] RIP: 0033:0x7f31cf09e08e
[   20.318002][  T644] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.318459][  T644] RSP: 002b:00007ffe46c1b6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.318651][  T644] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f31cf09e08e
[   20.318838][  T644] RDX: 0000000000000000 RSI: 00007ffe46c1b790 RDI: 0000000000000005
[   20.319101][  T644] RBP: 00007ffe46c1b6f0 R08: 0000000000000000 R09: 0000000000000000
[   20.319289][  T644] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec19
[   20.319484][  T644] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe46c1be60
| [   20.330909][  T644] ------------[ cut here ]------------
| [   20.331056][  T644] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/644
| [   20.331271][  T644] Modules linked in: ip_gre gre
| [   20.331653][  T644] Tainted: [W]=WARN
[   20.331746][  T644] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.331904][  T644] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.332063][  T644] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.332500][  T644] RSP: 0018:ffa00000018ff190 EFLAGS: 00010286
[   20.332657][  T644] RAX: 00000000ffffffa6 RBX: ff1100000c30a900 RCX: 1ff400000031fdf8
[   20.332839][  T644] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30a9bc
[   20.333027][  T644] RBP: ff1100000a884000 R08: 1fe2200001861539 R09: ff1100001015ae58
[   20.333209][  T644] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.333396][  T644] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.333582][  T644] FS:  00007f31cee64840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   20.333798][  T644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.333956][  T644] CR2: 0000000006562988 CR3: 00000000109fd006 CR4: 0000000000771ef0
[   20.334139][  T644] PKRU: 55555554
[   20.334231][  T644] Call Trace:
[   20.334326][  T644]  <TASK>
[   20.334390][  T644]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.334546][  T644]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.334701][  T644]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.334823][  T644]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.334952][  T644]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.335105][  T644]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   20.335229][  T644]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   20.335357][  T644]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.335480][  T644]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.335603][  T644]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.335725][  T644]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.335849][  T644]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.335977][  T644]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.336117][  T644]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.336238][  T644]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.336368][  T644]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.336489][  T644]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.336611][  T644]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.336734][  T644]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   20.336859][  T644]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.337040][  T644]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.337163][  T644]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.337285][  T644]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.337414][  T644]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.337537][  T644]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.337659][  T644]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.337784][  T644]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.337958][  T644]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.338133][  T644]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.338254][  T644]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.338382][  T644]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.338504][  T644]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.338626][  T644]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.338752][  T644]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.338874][  T644]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.339031][  T644]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.339154][  T644]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.339277][  T644]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.339406][  T644]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.339528][  T644]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.339653][  T644]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.339780][  T644]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.339910][  T644]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.340033][  T644]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.340185][  T644]  ? move_addr_to_kernel (net/socket.c:258)
[   20.340312][  T644]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.340435][  T644]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.340560][  T644]  ___sys_sendmsg (net/socket.c:2752)
[   20.340683][  T644]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.340836][  T644]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.340975][  T644]  __sys_sendmsg (net/socket.c:2784)
[   20.341100][  T644]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.341224][  T644]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.341384][  T644]  ? 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)
[   20.341507][  T644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.341632][  T644]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.341757][  T644]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.341878][  T644]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.342006][  T644]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.342158][  T644] RIP: 0033:0x7f31cf09e08e
[   20.342286][  T644] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.342723][  T644] RSP: 002b:00007ffe46c1b6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.342912][  T644] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f31cf09e08e
[   20.343094][  T644] RDX: 0000000000000000 RSI: 00007ffe46c1b790 RDI: 0000000000000005
[   20.343275][  T644] RBP: 00007ffe46c1b6f0 R08: 0000000000000000 R09: 0000000000000000
[   20.343464][  T644] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec19
[   20.343644][  T644] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe46c1be60
| [   20.388568][  T645] ------------[ cut here ]------------
| [   20.388729][  T645] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/645
| [   20.388988][  T645] Modules linked in: ip_gre gre
| [   20.389424][  T645] Tainted: [W]=WARN
[   20.389529][  T645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.389703][  T645] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.389888][  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
[   20.390384][  T645] RSP: 0018:ffa0000001b3ef10 EFLAGS: 00010286
[   20.390559][  T645] RAX: 00000000ffffffa6 RBX: ff1100000be391c0 RCX: 1ff4000000367da8
[   20.390764][  T645] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3927c
[   20.390975][  T645] RBP: ff11000008d79000 R08: 1fe22000017c7251 R09: ff1100001015d180
[   20.391183][  T645] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   20.391395][  T645] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   20.391603][  T645] FS:  00007f14c7849840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   20.391844][  T645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.392084][  T645] CR2: 000000000042f320 CR3: 000000000a912001 CR4: 0000000000771ef0
[   20.392294][  T645] PKRU: 55555554
[   20.392405][  T645] Call Trace:
[   20.392511][  T645]  <TASK>
[   20.392583][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.392722][  T645]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   20.392861][  T645]  notifier_call_chain (kernel/notifier.c:85)
[   20.393097][  T645]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   20.393239][  T645]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   20.393384][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.393524][  T645]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.393664][  T645]  ? crng_make_state (drivers/char/random.c:383 (discriminator 14))
[   20.393807][  T645]  netif_set_mtu (net/core/dev.c:9910)
[   20.394026][  T645]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   20.394241][  T645]  dev_set_mtu (net/core/dev_api.c:249)
[   20.394367][  T645]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   20.394512][  T645]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   20.394657][  T645]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   20.394838][  T645] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   20.395010][  T645]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   20.395185][  T645]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   20.395330][  T645]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   20.395471][  T645]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   20.395610][  T645]  ? __dev_get_by_name (net/core/dev.c:883)
[   20.395748][  T645]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   20.395898][  T645]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   20.396040][  T645]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.396180][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.396322][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.396462][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.396602][  T645]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.396762][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.396907][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.397047][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.397184][  T645]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.397325][  T645]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.397463][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.397602][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.397741][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.397879][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.398022][  T645]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.398161][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.398299][  T645]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.398445][  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))
[   20.398582][  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))
[   20.398723][  T645]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.398862][  T645]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.399004][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.399143][  T645]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.399282][  T645]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.399426][  T645]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.399566][  T645]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.399704][  T645]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.399844][  T645]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.400021][  T645]  ? move_addr_to_kernel (net/socket.c:258)
[   20.400164][  T645]  ___sys_sendmsg (net/socket.c:2752)
[   20.400302][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.400445][  T645]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.400592][  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))
[   20.400734][  T645]  __sys_sendmsg (net/socket.c:2784)
[   20.400873][  T645]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.401021][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.401158][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.401297][  T645]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.401441][  T645]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.401578][  T645]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.401715][  T645]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.401894][  T645] RIP: 0033:0x7f14c7a8308e
[   20.402039][  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
[   20.402532][  T645] RSP: 002b:00007ffee28306e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.402740][  T645] RAX: ffffffffffffffda RBX: 00007ffee2830e90 RCX: 00007f14c7a8308e
[   20.402955][  T645] RDX: 0000000000000000 RSI: 00007ffee2830790 RDI: 0000000000000005
[   20.403161][  T645] RBP: 00007ffee28306f0 R08: 0000000000000000 R09: 0000000000000000
[   20.403371][  T645] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec19
[   20.403578][  T645] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee2830e50
| [   20.405193][  T645] ------------[ cut here ]------------
| [   20.405325][  T645] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/645
| [   20.405550][  T645] Modules linked in: ip_gre gre
| [   20.405958][  T645] Tainted: [W]=WARN
[   20.406057][  T645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.406222][  T645] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.406400][  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
[   20.406867][  T645] RSP: 0018:ffa0000001b3f1b0 EFLAGS: 00010286
[   20.407038][  T645] RAX: 00000000ffffffa6 RBX: ff1100000be39700 RCX: 1ff4000000367dfc
[   20.407239][  T645] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be397bc
[   20.407441][  T645] RBP: ff11000008d79000 R08: 1fe22000017c72f9 R09: ff1100001015d180
[   20.407637][  T645] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.407833][  T645] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f6d40
[   20.408035][  T645] FS:  00007f14c7849840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   20.408363][  T645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.408527][  T645] CR2: 000000000042f320 CR3: 000000000a912001 CR4: 0000000000771ef0
[   20.408723][  T645] PKRU: 55555554
[   20.408821][  T645] Call Trace:
[   20.409012][  T645]  <TASK>
[   20.409080][  T645]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.409213][  T645]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.409319][  T645]  __dev_notify_flags (net/core/dev.c:9787)
[   20.409454][  T645]  ? netif_change_name (net/core/dev.c:1495)
[   20.409672][  T645]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   20.409840][  T645]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   20.409978][  T645]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   20.410198][  T645]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   20.410337][  T645]  ? __dev_get_by_name (net/core/dev.c:883)
[   20.410467][  T645]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   20.410604][  T645]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   20.410825][  T645]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.410965][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.411096][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.411231][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.411460][  T645]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.411592][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.411728][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.411861][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.412084][  T645]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.412216][  T645]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.412355][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.412487][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.412708][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.412841][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.412979][  T645]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.413111][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.413332][  T645]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.413469][  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))
[   20.413602][  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))
[   20.413741][  T645]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.413973][  T645]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.414112][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.414248][  T645]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.414389][  T645]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.414615][  T645]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.414748][  T645]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.414879][  T645]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.415016][  T645]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.415266][  T645]  ? move_addr_to_kernel (net/socket.c:258)
[   20.415412][  T645]  ___sys_sendmsg (net/socket.c:2752)
[   20.415547][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.415683][  T645]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.415922][  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))
[   20.416062][  T645]  __sys_sendmsg (net/socket.c:2784)
[   20.416196][  T645]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.416337][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.416555][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.416688][  T645]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.416819][  T645]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.416956][  T645]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.417177][  T645]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.417351][  T645] RIP: 0033:0x7f14c7a8308e
[   20.417493][  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
[   20.418073][  T645] RSP: 002b:00007ffee28306e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.418276][  T645] RAX: ffffffffffffffda RBX: 00007ffee2830e90 RCX: 00007f14c7a8308e
[   20.418576][  T645] RDX: 0000000000000000 RSI: 00007ffee2830790 RDI: 0000000000000005
[   20.418778][  T645] RBP: 00007ffee28306f0 R08: 0000000000000000 R09: 0000000000000000
[   20.419075][  T645] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec19
[   20.419280][  T645] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee2830e50
| [   20.519235][  T648] ------------[ cut here ]------------
| [   20.519431][  T648] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/648
| [   20.519702][  T648] Modules linked in: ip_gre gre
| [   20.520876][  T648] Tainted: [W]=WARN
[   20.521027][  T648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.521233][  T648] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.521485][  T648] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.521993][  T648] RSP: 0018:ffa0000001b5f020 EFLAGS: 00010286
[   20.522201][  T648] RAX: 00000000ffffffa6 RBX: ff1100000c2931c0 RCX: 1ff400000036bdca
[   20.522444][  T648] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c29327c
[   20.522688][  T648] RBP: ff11000008d79000 R08: 1fe2200001852651 R09: ff1100001037d158
[   20.522936][  T648] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   20.523172][  T648] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.523417][  T648] FS:  00007f137576b840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   20.523683][  T648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.523899][  T648] CR2: 000000001d39a988 CR3: 000000000e64f001 CR4: 0000000000771ef0
[   20.524135][  T648] PKRU: 55555554
[   20.524275][  T648] Call Trace:
[   20.524421][  T648]  <TASK>
[   20.524533][  T648]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.524708][  T648]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.524850][  T648]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.525032][  T648]  __dev_notify_flags (net/core/dev.c:9787)
[   20.525208][  T648]  ? netif_change_name (net/core/dev.c:1495)
[   20.525385][  T648]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.525558][  T648]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.525741][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.525927][  T648]  ? 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))
[   20.526103][  T648]  netif_change_flags (net/core/dev.c:9820)
[   20.526279][  T648]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.526461][  T648]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.526638][  T648]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.526812][  T648]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.527027][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.527202][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.527382][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.527554][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.527727][  T648]  ? __kernel_text_address (kernel/extable.c:79)
[   20.527912][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.528088][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.528260][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.528441][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.528615][  T648]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.528787][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.528970][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.529144][  T648]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.529324][  T648]  ? __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)
[   20.529497][  T648]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.529670][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.529846][  T648]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.530034][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.530210][  T648]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.530393][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.530565][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.530738][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.530922][  T648]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.531092][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.531265][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.531447][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.531620][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.531793][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.531983][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.532155][  T648]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.532335][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.532506][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.532678][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.532853][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.533035][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.533210][  T648]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.533390][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.533564][  T648]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.533739][  T648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.533924][  T648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.534097][  T648]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.534269][  T648]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.534449][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.534624][  T648]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.534798][  T648]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.534986][  T648]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.535160][  T648]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.535337][  T648]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.535509][  T648]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.535710][  T648]  ? move_addr_to_kernel (net/socket.c:258)
[   20.535897][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.536071][  T648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.536246][  T648]  ___sys_sendmsg (net/socket.c:2752)
[   20.536423][  T648]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.536626][  T648]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.536808][  T648]  __sys_sendmsg (net/socket.c:2784)
[   20.536992][  T648]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.537162][  T648]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.537373][  T648]  ? 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)
[   20.537548][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.537720][  T648]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.537904][  T648]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.538076][  T648]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.538249][  T648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.538457][  T648] RIP: 0033:0x7f13759a508e
[   20.538637][  T648] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.539142][  T648] RSP: 002b:00007ffdf55ead00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.539382][  T648] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f13759a508e
[   20.539616][  T648] RDX: 0000000000000000 RSI: 00007ffdf55eadb0 RDI: 0000000000000005
[   20.539853][  T648] RBP: 00007ffdf55ead10 R08: 0000000000000000 R09: 0000000000000000
[   20.540096][  T648] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec19
[   20.540336][  T648] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf55eb480
| [   20.643819][  T656] ------------[ cut here ]------------
| [   20.644022][  T656] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/656
| [   20.644288][  T656] Modules linked in: ip_gre gre
| [   20.644773][  T656] Tainted: [W]=WARN
[   20.644927][  T656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.645131][  T656] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.645349][  T656] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.645846][  T656] RSP: 0018:ffa0000001bbf020 EFLAGS: 00010286
[   20.646152][  T656] RAX: 00000000ffffffa6 RBX: ff1100000c293e00 RCX: 1ff4000000377dca
[   20.646456][  T656] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c293ebc
[   20.646742][  T656] RBP: ff11000008d79000 R08: 1fe22000018527d9 R09: ff1100000f16ae58
[   20.647068][  T656] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   20.647379][  T656] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.647696][  T656] FS:  00007fa02e41a840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   20.648028][  T656] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.648227][  T656] CR2: 000000001cdd7988 CR3: 0000000010705006 CR4: 0000000000771ef0
[   20.648467][  T656] PKRU: 55555554
[   20.648605][  T656] Call Trace:
[   20.648743][  T656]  <TASK>
[   20.648853][  T656]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.649040][  T656]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.649182][  T656]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.649360][  T656]  __dev_notify_flags (net/core/dev.c:9787)
[   20.649536][  T656]  ? netif_change_name (net/core/dev.c:1495)
[   20.649706][  T656]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   20.649877][  T656]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.650063][  T656]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.650238][  T656]  ? 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))
[   20.650415][  T656]  netif_change_flags (net/core/dev.c:9820)
[   20.650587][  T656]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.650758][  T656]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.650945][  T656]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.651118][  T656]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.651327][  T656]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.651502][  T656]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.651673][  T656]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.651843][  T656]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.652028][  T656]  ? __kernel_text_address (kernel/extable.c:79)
[   20.652201][  T656]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.652381][  T656]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.652552][  T656]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.652726][  T656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.652909][  T656]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.653079][  T656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.653251][  T656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.653433][  T656]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.653607][  T656]  ? __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)
[   20.653778][  T656]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.653963][  T656]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.654139][  T656]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.654321][  T656]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.654495][  T656]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.654669][  T656]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.654838][  T656]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.655024][  T656]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.655196][  T656]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.655374][  T656]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.655551][  T656]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.655722][  T656]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.655907][  T656]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.656079][  T656]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.656253][  T656]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.656433][  T656]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.656604][  T656]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.656777][  T656]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.656959][  T656]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.657132][  T656]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.657301][  T656]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.657480][  T656]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.657650][  T656]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.657821][  T656]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.658009][  T656]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.658181][  T656]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.658361][  T656]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.658537][  T656]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.658712][  T656]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.658897][  T656]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.659071][  T656]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.659244][  T656]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.659433][  T656]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.659608][  T656]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.659778][  T656]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.659993][  T656]  ? move_addr_to_kernel (net/socket.c:258)
[   20.660167][  T656]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.660344][  T656]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.660519][  T656]  ___sys_sendmsg (net/socket.c:2752)
[   20.660692][  T656]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.660907][  T656]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.661090][  T656]  __sys_sendmsg (net/socket.c:2784)
[   20.661263][  T656]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.661444][  T656]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.661652][  T656]  ? 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)
[   20.661824][  T656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.662013][  T656]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.662186][  T656]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.662364][  T656]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.662539][  T656]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.662741][  T656] RIP: 0033:0x7fa02e65408e
[   20.662930][  T656] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.663431][  T656] RSP: 002b:00007ffd2104b770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.663666][  T656] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa02e65408e
[   20.663909][  T656] RDX: 0000000000000000 RSI: 00007ffd2104b820 RDI: 0000000000000005
[   20.664141][  T656] RBP: 00007ffd2104b780 R08: 0000000000000000 R09: 0000000000000000
[   20.664382][  T656] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec19
[   20.664614][  T656] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2104bef0
| [   20.720998][  T658] ------------[ cut here ]------------
| [   20.721176][  T658] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/658
| [   20.721444][  T658] Modules linked in: ip_gre gre
| [   20.721936][  T658] Tainted: [W]=WARN
[   20.722078][  T658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.722282][  T658] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.722503][  T658] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.723205][  T658] RSP: 0018:ffa0000001bdf020 EFLAGS: 00010286
[   20.723415][  T658] RAX: 00000000ffffffa6 RBX: ff1100000d368c80 RCX: 1ff400000037bdca
[   20.723649][  T658] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d368d3c
[   20.723882][  T658] RBP: ff11000008d79000 R08: 1fe2200001a6d1a9 R09: ff1100000ff7d158
[   20.724132][  T658] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   20.724371][  T658] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.724606][  T658] FS:  00007f274bfb1840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   20.724874][  T658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.725095][  T658] CR2: 00007f274c2811a0 CR3: 000000000e7d6002 CR4: 0000000000771ef0
[   20.725338][  T658] PKRU: 55555554
[   20.725480][  T658] Call Trace:
[   20.725621][  T658]  <TASK>
[   20.725733][  T658]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.725920][  T658]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.726064][  T658]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.726237][  T658]  __dev_notify_flags (net/core/dev.c:9787)
[   20.726419][  T658]  ? netif_change_name (net/core/dev.c:1495)
[   20.726592][  T658]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.726767][  T658]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.726952][  T658]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.727128][  T658]  ? 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))
[   20.727304][  T658]  netif_change_flags (net/core/dev.c:9820)
[   20.727488][  T658]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.727659][  T658]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.727836][  T658]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.728022][  T658]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.728227][  T658]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.728409][  T658]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.728582][  T658]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.728758][  T658]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.728944][  T658]  ? __kernel_text_address (kernel/extable.c:79)
[   20.729118][  T658]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.729295][  T658]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.729476][  T658]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.729651][  T658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.729824][  T658]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.730012][  T658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.730184][  T658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.730367][  T658]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.730541][  T658]  ? __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)
[   20.730713][  T658]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.730900][  T658]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.731074][  T658]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.731251][  T658]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.731439][  T658]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.731617][  T658]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.731824][  T658]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.732011][  T658]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.732184][  T658]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.732365][  T658]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.732542][  T658]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.732717][  T658]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.732903][  T658]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.733077][  T658]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.733251][  T658]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.733434][  T658]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.733607][  T658]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.733782][  T658]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.733965][  T658]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.734144][  T658]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.734324][  T658]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.734501][  T658]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.734675][  T658]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.734849][  T658]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.735035][  T658]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.735207][  T658]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.735386][  T658]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.735564][  T658]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.735737][  T658]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.735923][  T658]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.736101][  T658]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.736281][  T658]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.736470][  T658]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.736649][  T658]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.736825][  T658]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.737040][  T658]  ? move_addr_to_kernel (net/socket.c:258)
[   20.737216][  T658]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.737397][  T658]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.737570][  T658]  ___sys_sendmsg (net/socket.c:2752)
[   20.737743][  T658]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.737960][  T658]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.738148][  T658]  __sys_sendmsg (net/socket.c:2784)
[   20.738328][  T658]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.738500][  T658]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.738705][  T658]  ? 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)
[   20.738880][  T658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.739066][  T658]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.739241][  T658]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.739419][  T658]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.739595][  T658]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.739799][  T658] RIP: 0033:0x7f274c1eb08e
[   20.739991][  T658] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.740493][  T658] RSP: 002b:00007ffd58f75d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.740731][  T658] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f274c1eb08e
[   20.740977][  T658] RDX: 0000000000000000 RSI: 00007ffd58f75e40 RDI: 0000000000000005
[   20.741213][  T658] RBP: 00007ffd58f75da0 R08: 0000000000000000 R09: 0000000000000000
[   20.741455][  T658] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec19
[   20.741692][  T658] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd58f76510
| [   20.865347][  T667] ------------[ cut here ]------------
| [   20.865513][  T667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/667
| [   20.865744][  T667] Modules linked in: ip_gre gre
| [   20.866142][  T667] Tainted: [W]=WARN
[   20.866237][  T667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.866401][  T667] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.866565][  T667] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.867021][  T667] RSP: 0018:ffa0000001b8f060 EFLAGS: 00010286
[   20.867183][  T667] RAX: 00000000ffffffa6 RBX: ff1100000c9918c0 RCX: 1ff4000000371dd2
[   20.867382][  T667] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c99197c
[   20.867571][  T667] RBP: ff11000008d79000 R08: 1fe2200001932331 R09: ff11000009670b58
[   20.867758][  T667] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   20.868042][  T667] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001b8f0f8
[   20.868237][  T667] FS:  00007fdf58aca840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   20.868465][  T667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.868627][  T667] CR2: 000000000a7c4988 CR3: 000000000f260002 CR4: 0000000000771ef0
[   20.868821][  T667] PKRU: 55555554
[   20.869007][  T667] Call Trace:
[   20.869103][  T667]  <TASK>
[   20.869169][  T667]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.869300][  T667]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.869403][  T667]  netif_close_many (net/core/dev.c:1804)
[   20.869605][  T667]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.869740][  T667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.869872][  T667]  ? __dev_close_many (net/core/dev.c:1781)
[   20.870087][  T667]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.870250][  T667]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.870418][  T667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.870548][  T667]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.870678][  T667]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.870843][  T667]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.871048][  T667]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.871176][  T667]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.871338][  T667]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   20.871466][  T667]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.871593][  T667]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   20.871722][  T667]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.871850][  T667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.872060][  T667]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.872186][  T667]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.872317][  T667]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.872443][  T667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.872587][  T667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.872713][  T667]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.872839][  T667]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.873028][  T667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.873154][  T667]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.873282][  T667]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   20.873421][  T667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.873549][  T667]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.873680][  T667]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.873807][  T667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.873989][  T667]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.874117][  T667]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.874244][  T667]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.874377][  T667]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.874505][  T667]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.874633][  T667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.874759][  T667]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.874941][  T667]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.875070][  T667]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.875199][  T667]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.875335][  T667]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.875463][  T667]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.875592][  T667]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.875719][  T667]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.875848][  T667]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.876028][  T667]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.876158][  T667]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.876285][  T667]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.876418][  T667]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.876545][  T667]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.876672][  T667]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.876829][  T667]  ? move_addr_to_kernel (net/socket.c:258)
[   20.877009][  T667]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.877138][  T667]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.877266][  T667]  ___sys_sendmsg (net/socket.c:2752)
[   20.877396][  T667]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.877554][  T667]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.877695][  T667]  __sys_sendmsg (net/socket.c:2784)
[   20.877822][  T667]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.878024][  T667]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.878185][  T667]  ? 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)
[   20.878318][  T667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.878446][  T667]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.878573][  T667]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.878702][  T667]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.878831][  T667]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.879014][  T667] RIP: 0033:0x7fdf58d0408e
[   20.879148][  T667] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.879604][  T667] RSP: 002b:00007ffd99696930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.879795][  T667] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdf58d0408e
[   20.879990][  T667] RDX: 0000000000000000 RSI: 00007ffd996969e0 RDI: 0000000000000005
[   20.880177][  T667] RBP: 00007ffd99696940 R08: 0000000000000000 R09: 0000000000000000
[   20.880369][  T667] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1a
[   20.880559][  T667] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd996970b0
| [   20.893848][  T667] ------------[ cut here ]------------
| [   20.894009][  T667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/667
| [   20.894222][  T667] Modules linked in: ip_gre gre
| [   20.894607][  T667] Tainted: [W]=WARN
[   20.894699][  T667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.894853][  T667] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.895018][  T667] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.895459][  T667] RSP: 0018:ffa0000001b8f190 EFLAGS: 00010286
[   20.895615][  T667] RAX: 00000000ffffffa6 RBX: ff1100000d15e040 RCX: 1ff4000000371df8
[   20.895797][  T667] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15e0fc
[   20.895986][  T667] RBP: ff11000008d79000 R08: 1fe2200001a2bc21 R09: ff11000009670b58
[   20.896173][  T667] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.896365][  T667] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.896548][  T667] FS:  00007fdf58aca840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   20.896762][  T667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.896921][  T667] CR2: 00007f5532191574 CR3: 000000000f260006 CR4: 0000000000771ef0
[   20.897103][  T667] PKRU: 55555554
[   20.897195][  T667] Call Trace:
[   20.897285][  T667]  <TASK>
[   20.897354][  T667]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.897509][  T667]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.897659][  T667]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.897781][  T667]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.897909][  T667]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.898060][  T667]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   20.898188][  T667]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   20.898322][  T667]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.898445][  T667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.898567][  T667]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.898688][  T667]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.898809][  T667]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.898935][  T667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.899076][  T667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.899200][  T667]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.899324][  T667]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.899445][  T667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.899566][  T667]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.899686][  T667]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   20.899810][  T667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.899936][  T667]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.900056][  T667]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.900177][  T667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.900299][  T667]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.900426][  T667]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.900549][  T667]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.900671][  T667]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.900791][  T667]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.900920][  T667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.901042][  T667]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.901164][  T667]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.901286][  T667]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.901409][  T667]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.901534][  T667]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.901654][  T667]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.901776][  T667]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.901902][  T667]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.902031][  T667]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.902152][  T667]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.902275][  T667]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.902402][  T667]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.902526][  T667]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.902648][  T667]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.902768][  T667]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.902923][  T667]  ? move_addr_to_kernel (net/socket.c:258)
[   20.903044][  T667]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.903165][  T667]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.903286][  T667]  ___sys_sendmsg (net/socket.c:2752)
[   20.903410][  T667]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.903559][  T667]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.903690][  T667]  __sys_sendmsg (net/socket.c:2784)
[   20.903812][  T667]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.903937][  T667]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.904090][  T667]  ? 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)
[   20.904211][  T667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.904340][  T667]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.904460][  T667]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.904580][  T667]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.904701][  T667]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.904851][  T667] RIP: 0033:0x7fdf58d0408e
[   20.904984][  T667] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.905415][  T667] RSP: 002b:00007ffd99696930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.905596][  T667] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdf58d0408e
[   20.905774][  T667] RDX: 0000000000000000 RSI: 00007ffd996969e0 RDI: 0000000000000005
[   20.905957][  T667] RBP: 00007ffd99696940 R08: 0000000000000000 R09: 0000000000000000
[   20.906136][  T667] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1a
[   20.906319][  T667] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd996970b0
| [   20.942795][  T668] ------------[ cut here ]------------
| [   20.943302][  T668] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/668
| [   20.943548][  T668] Modules linked in: ip_gre gre
| [   20.943967][  T668] Tainted: [W]=WARN
[   20.944071][  T668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.944238][  T668] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.944416][  T668] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.944900][  T668] RSP: 0018:ffa0000001c3ef10 EFLAGS: 00010286
[   20.945069][  T668] RAX: 00000000ffffffa6 RBX: ff1100000d3578c0 RCX: 1ff4000000387da8
[   20.945270][  T668] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d35797c
[   20.945475][  T668] RBP: ff11000010494000 R08: 1fe2200001a6af31 R09: ff110000101c2e80
[   20.945674][  T668] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   20.945874][  T668] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   20.946080][  T668] FS:  00007f9b4813e840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   20.946321][  T668] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.946489][  T668] CR2: 000000000042f320 CR3: 000000000fcff005 CR4: 0000000000771ef0
[   20.946693][  T668] PKRU: 55555554
[   20.946793][  T668] Call Trace:
[   20.946898][  T668]  <TASK>
[   20.946969][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.947106][  T668]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   20.947240][  T668]  notifier_call_chain (kernel/notifier.c:85)
[   20.947385][  T668]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   20.947520][  T668]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   20.947655][  T668]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   20.947826][  T668]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   20.948000][  T668]  ? crng_make_state (drivers/char/random.c:383 (discriminator 14))
[   20.948139][  T668]  netif_set_mtu (net/core/dev.c:9910)
[   20.948274][  T668]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   20.948415][  T668]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   20.948556][  T668]  dev_set_mtu (net/core/dev_api.c:249)
[   20.948659][  T668]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   20.948795][  T668]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   20.948935][  T668]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   20.949107][  T668] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   20.949244][  T668]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   20.949422][  T668]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   20.949559][  T668]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   20.949696][  T668]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   20.949832][  T668]  ? __dev_get_by_name (net/core/dev.c:883)
[   20.949973][  T668]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   20.950114][  T668]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   20.950255][  T668]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.950396][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.950532][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.950667][  T668]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.950803][  T668]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.950943][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.951083][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.951221][  T668]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.951360][  T668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.951495][  T668]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.951631][  T668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.951766][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.951910][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.952046][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.952182][  T668]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.952323][  T668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.952460][  T668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.952599][  T668]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.952734][  T668]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.952872][  T668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.953016][  T668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.953153][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.953289][  T668]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.953433][  T668]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.953572][  T668]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.953709][  T668]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.953846][  T668]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.953991][  T668]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.954160][  T668]  ? move_addr_to_kernel (net/socket.c:258)
[   20.954306][  T668]  ___sys_sendmsg (net/socket.c:2752)
[   20.954452][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.954588][  T668]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.954732][  T668]  ? 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))
[   20.954871][  T668]  __sys_sendmsg (net/socket.c:2784)
[   20.955014][  T668]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.955157][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.955298][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.955442][  T668]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.955579][  T668]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.955715][  T668]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.955851][  T668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.956031][  T668] RIP: 0033:0x7f9b4837808e
[   20.956178][  T668] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.956661][  T668] RSP: 002b:00007fff75fcbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.956870][  T668] RAX: ffffffffffffffda RBX: 00007fff75fcc4e0 RCX: 00007f9b4837808e
[   20.957082][  T668] RDX: 0000000000000000 RSI: 00007fff75fcbde0 RDI: 0000000000000005
[   20.957285][  T668] RBP: 00007fff75fcbd40 R08: 0000000000000000 R09: 0000000000000000
[   20.957494][  T668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1a
[   20.957705][  T668] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff75fcc4a0
| [   20.959304][  T668] ------------[ cut here ]------------
| [   20.959436][  T668] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/668
| [   20.959659][  T668] Modules linked in: ip_gre gre
| [   20.960151][  T668] Tainted: [W]=WARN
[   20.960250][  T668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.960418][  T668] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.960586][  T668] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.961150][  T668] RSP: 0018:ffa0000001c3f1b0 EFLAGS: 00010286
[   20.961407][  T668] RAX: 00000000ffffffa6 RBX: ff1100000d356900 RCX: 1ff4000000387dfc
[   20.961601][  T668] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3569bc
[   20.961796][  T668] RBP: ff11000010494000 R08: 1fe2200001a6ad39 R09: ff110000101c2e80
[   20.962087][  T668] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.962282][  T668] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f6d40
[   20.962569][  T668] FS:  00007f9b4813e840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   20.962800][  T668] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.962967][  T668] CR2: 000000000042f320 CR3: 000000000fcff005 CR4: 0000000000771ef0
[   20.963253][  T668] PKRU: 55555554
[   20.963354][  T668] Call Trace:
[   20.963452][  T668]  <TASK>
[   20.963520][  T668]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.963655][  T668]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.963844][  T668]  __dev_notify_flags (net/core/dev.c:9787)
[   20.963982][  T668]  ? netif_change_name (net/core/dev.c:1495)
[   20.964114][  T668]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   20.964281][  T668]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   20.964506][  T668]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   20.964640][  T668]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   20.964773][  T668]  ? __dev_get_by_name (net/core/dev.c:883)
[   20.964911][  T668]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   20.965136][  T668]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   20.965273][  T668]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.965413][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.965543][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.965761][  T668]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.965898][  T668]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.966030][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.966166][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.966391][  T668]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.966525][  T668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.966660][  T668]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.966792][  T668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.967018][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.967152][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.967284][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.967422][  T668]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.967640][  T668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.967772][  T668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.967913][  T668]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.968044][  T668]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.968265][  T668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.968405][  T668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.968539][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.968672][  T668]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.968896][  T668]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.969030][  T668]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.969164][  T668]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.969296][  T668]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.969520][  T668]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.969684][  T668]  ? move_addr_to_kernel (net/socket.c:258)
[   20.969821][  T668]  ___sys_sendmsg (net/socket.c:2752)
[   20.970046][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.970179][  T668]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.970324][  T668]  ? 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))
[   20.970459][  T668]  __sys_sendmsg (net/socket.c:2784)
[   20.970593][  T668]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.970814][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.970951][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.971083][  T668]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.971216][  T668]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.971440][  T668]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.971572][  T668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.971736][  T668] RIP: 0033:0x7f9b4837808e
[   20.971970][  T668] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.972444][  T668] RSP: 002b:00007fff75fcbd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.972732][  T668] RAX: ffffffffffffffda RBX: 00007fff75fcc4e0 RCX: 00007f9b4837808e
[   20.972932][  T668] RDX: 0000000000000000 RSI: 00007fff75fcbde0 RDI: 0000000000000005
[   20.973220][  T668] RBP: 00007fff75fcbd40 R08: 0000000000000000 R09: 0000000000000000
[   20.973420][  T668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1a
[   20.973616][  T668] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff75fcc4a0
| [   21.037722][  T670] ------------[ cut here ]------------
| [   21.037879][  T670] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/670
| [   21.038122][  T670] Modules linked in: ip_gre gre
| [   21.038527][  T670] Tainted: [W]=WARN
[   21.038626][  T670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.038789][  T670] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.038966][  T670] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.039431][  T670] RSP: 0018:ffa0000001c6f020 EFLAGS: 00010286
[   21.039596][  T670] RAX: 00000000ffffffa6 RBX: ff1100000be38e40 RCX: 1ff400000038ddca
[   21.039790][  T670] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be38efc
[   21.039990][  T670] RBP: ff11000010494000 R08: 1fe22000017c71e1 R09: ff11000009ac5158
[   21.040183][  T670] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   21.040380][  T670] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   21.040575][  T670] FS:  00007f2152251840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   21.040805][  T670] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.040975][  T670] CR2: 00007f21525211a0 CR3: 000000000fef7002 CR4: 0000000000771ef0
[   21.041171][  T670] PKRU: 55555554
[   21.041269][  T670] Call Trace:
[   21.041371][  T670]  <TASK>
[   21.041441][  T670]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.041576][  T670]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.041676][  T670]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.041807][  T670]  __dev_notify_flags (net/core/dev.c:9787)
[   21.041949][  T670]  ? netif_change_name (net/core/dev.c:1495)
[   21.042081][  T670]  ? __dev_change_flags (net/core/dev.c:9752)
[   21.042211][  T670]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.042346][  T670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.042479][  T670]  ? 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))
[   21.042612][  T670]  netif_change_flags (net/core/dev.c:9820)
[   21.042743][  T670]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.042874][  T670]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.043076][  T670]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   21.043263][  T670]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.043429][  T670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.043561][  T670]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.043691][  T670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.043819][  T670]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.044035][  T670]  ? __kernel_text_address (kernel/extable.c:79)
[   21.044166][  T670]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.044297][  T670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.044433][  T670]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.044563][  T670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.044692][  T670]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.044821][  T670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.045038][  T670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.045167][  T670]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   21.045298][  T670]  ? __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)
[   21.045433][  T670]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   21.045563][  T670]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.045694][  T670]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   21.045826][  T670]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   21.046042][  T670]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.046174][  T670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.046302][  T670]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.046437][  T670]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.046566][  T670]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.046695][  T670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.046827][  T670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.047047][  T670]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.047175][  T670]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.047306][  T670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.047440][  T670]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.047570][  T670]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.047700][  T670]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.047831][  T670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.048040][  T670]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.048171][  T670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.048299][  T670]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.048434][  T670]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.048563][  T670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.048695][  T670]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.048829][  T670]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.049038][  T670]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.049170][  T670]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.049302][  T670]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.049438][  T670]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.049573][  T670]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.049705][  T670]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.049836][  T670]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.050041][  T670]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.050173][  T670]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.050304][  T670]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.050473][  T670]  ? move_addr_to_kernel (net/socket.c:258)
[   21.050605][  T670]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.050734][  T670]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.050866][  T670]  ___sys_sendmsg (net/socket.c:2752)
[   21.051009][  T670]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.051172][  T670]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.051320][  T670]  __sys_sendmsg (net/socket.c:2784)
[   21.051451][  T670]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.051581][  T670]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.051746][  T670]  ? 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)
[   21.051878][  T670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.052015][  T670]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.052147][  T670]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.052279][  T670]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.052414][  T670]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.052577][  T670] RIP: 0033:0x7f215248b08e
[   21.052718][  T670] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.053189][  T670] RSP: 002b:00007fff67b08fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.053391][  T670] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f215248b08e
[   21.053589][  T670] RDX: 0000000000000000 RSI: 00007fff67b09050 RDI: 0000000000000005
[   21.053784][  T670] RBP: 00007fff67b08fb0 R08: 0000000000000000 R09: 0000000000000000
[   21.053988][  T670] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1a
[   21.054184][  T670] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff67b09720
| [   21.176165][  T678] ------------[ cut here ]------------
| [   21.176325][  T678] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/678
| [   21.176557][  T678] Modules linked in: ip_gre gre
| [   21.177588][  T678] Tainted: [W]=WARN
[   21.177688][  T678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.177849][  T678] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.178098][  T678] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.178608][  T678] RSP: 0018:ffa0000001ccf020 EFLAGS: 00010286
[   21.178773][  T678] RAX: 00000000ffffffa6 RBX: ff110000052ea200 RCX: 1ff4000000399dca
[   21.178972][  T678] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052ea2bc
[   21.179165][  T678] RBP: ff11000010494000 R08: 1fe2200000a5d459 R09: ff110000098cd158
[   21.179359][  T678] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   21.179551][  T678] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   21.179748][  T678] FS:  00007f2174d3b840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   21.179986][  T678] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.180148][  T678] CR2: 0000000027212988 CR3: 0000000009d0f003 CR4: 0000000000771ef0
[   21.180348][  T678] PKRU: 55555554
[   21.180445][  T678] Call Trace:
[   21.180542][  T678]  <TASK>
[   21.180610][  T678]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.180747][  T678]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.180845][  T678]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.180983][  T678]  __dev_notify_flags (net/core/dev.c:9787)
[   21.181114][  T678]  ? netif_change_name (net/core/dev.c:1495)
[   21.181241][  T678]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   21.181380][  T678]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.181509][  T678]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.181640][  T678]  ? 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))
[   21.181774][  T678]  netif_change_flags (net/core/dev.c:9820)
[   21.181913][  T678]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.182045][  T678]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.182177][  T678]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   21.182306][  T678]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.182469][  T678]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.182597][  T678]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.182725][  T678]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.182854][  T678]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.182990][  T678]  ? __kernel_text_address (kernel/extable.c:79)
[   21.183119][  T678]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.183248][  T678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.183380][  T678]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.183508][  T678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.183636][  T678]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.183764][  T678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.183898][  T678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.184026][  T678]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   21.184155][  T678]  ? __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)
[   21.184287][  T678]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   21.184421][  T678]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.184553][  T678]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   21.184684][  T678]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   21.184817][  T678]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.184954][  T678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.185082][  T678]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.185211][  T678]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.185346][  T678]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.185475][  T678]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.185607][  T678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.185736][  T678]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.185864][  T678]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.186070][  T678]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.186201][  T678]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.186335][  T678]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.186466][  T678]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.186593][  T678]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.186720][  T678]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.186848][  T678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.187062][  T678]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.187190][  T678]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.187324][  T678]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.187453][  T678]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.187585][  T678]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.187714][  T678]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.187844][  T678]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.188027][  T678]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.188158][  T678]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.188287][  T678]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.188419][  T678]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.188548][  T678]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.188679][  T678]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.188808][  T678]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.189013][  T678]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.189171][  T678]  ? move_addr_to_kernel (net/socket.c:258)
[   21.189303][  T678]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.189438][  T678]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.189567][  T678]  ___sys_sendmsg (net/socket.c:2752)
[   21.189696][  T678]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.189855][  T678]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.190056][  T678]  __sys_sendmsg (net/socket.c:2784)
[   21.190185][  T678]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.190317][  T678]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.190478][  T678]  ? 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)
[   21.190607][  T678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.190738][  T678]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.190868][  T678]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.191074][  T678]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.191202][  T678]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.191364][  T678] RIP: 0033:0x7f2174f7508e
[   21.191500][  T678] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.192103][  T678] RSP: 002b:00007ffe656cc3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.192298][  T678] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2174f7508e
[   21.192493][  T678] RDX: 0000000000000000 RSI: 00007ffe656cc480 RDI: 0000000000000005
[   21.192683][  T678] RBP: 00007ffe656cc3e0 R08: 0000000000000000 R09: 0000000000000000
[   21.192876][  T678] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1a
[   21.193135][  T678] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe656ccb50
| [   21.257264][  T680] ------------[ cut here ]------------
| [   21.257435][  T680] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/680
| [   21.257668][  T680] Modules linked in: ip_gre gre
| [   21.258083][  T680] Tainted: [W]=WARN
[   21.258181][  T680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.258346][  T680] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.258514][  T680] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.258977][  T680] RSP: 0018:ffa0000001cef020 EFLAGS: 00010286
[   21.259141][  T680] RAX: 00000000ffffffa6 RBX: ff1100000c109e00 RCX: 1ff400000039ddca
[   21.259338][  T680] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c109ebc
[   21.259532][  T680] RBP: ff11000010494000 R08: 1fe22000018213d9 R09: ff1100000980ae58
[   21.259722][  T680] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   21.259919][  T680] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   21.260114][  T680] FS:  00007f7f00d27840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   21.260346][  T680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.260509][  T680] CR2: 000000000a7b2988 CR3: 00000000102c8002 CR4: 0000000000771ef0
[   21.260702][  T680] PKRU: 55555554
[   21.260799][  T680] Call Trace:
[   21.260900][  T680]  <TASK>
[   21.260968][  T680]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.261099][  T680]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.261199][  T680]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.261333][  T680]  __dev_notify_flags (net/core/dev.c:9787)
[   21.261465][  T680]  ? netif_change_name (net/core/dev.c:1495)
[   21.261593][  T680]  ? __dev_change_flags (net/core/dev.c:9752)
[   21.261723][  T680]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.261850][  T680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.262506][  T680]  ? 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))
[   21.262644][  T680]  netif_change_flags (net/core/dev.c:9820)
[   21.262773][  T680]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.262971][  T680]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.263104][  T680]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   21.263232][  T680]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.263399][  T680]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.263527][  T680]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.263655][  T680]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.263783][  T680]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.263972][  T680]  ? __kernel_text_address (kernel/extable.c:79)
[   21.264156][  T680]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.264286][  T680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.264418][  T680]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.264547][  T680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.264676][  T680]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.264804][  T680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.264988][  T680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.265118][  T680]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   21.265249][  T680]  ? __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)
[   21.265382][  T680]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   21.265512][  T680]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.265643][  T680]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   21.265775][  T680]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   21.265964][  T680]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.266095][  T680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.266223][  T680]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.266356][  T680]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.266484][  T680]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.266610][  T680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.266742][  T680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.266870][  T680]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.267054][  T680]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.267184][  T680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.267315][  T680]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.267445][  T680]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.267575][  T680]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.267703][  T680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.267834][  T680]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.268019][  T680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.268147][  T680]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.268276][  T680]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.268409][  T680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.268538][  T680]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.268671][  T680]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.268798][  T680]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.268983][  T680]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.269112][  T680]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.269241][  T680]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.269376][  T680]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.269506][  T680]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.269636][  T680]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.269768][  T680]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.269986][  T680]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.270114][  T680]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.270271][  T680]  ? move_addr_to_kernel (net/socket.c:258)
[   21.270405][  T680]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.270533][  T680]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.270662][  T680]  ___sys_sendmsg (net/socket.c:2752)
[   21.270790][  T680]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.271019][  T680]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.271160][  T680]  __sys_sendmsg (net/socket.c:2784)
[   21.271289][  T680]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.271419][  T680]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.271582][  T680]  ? 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)
[   21.271712][  T680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.271842][  T680]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.272059][  T680]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.272188][  T680]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.272319][  T680]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.272480][  T680] RIP: 0033:0x7f7f00f6108e
[   21.272617][  T680] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.273155][  T680] RSP: 002b:00007ffedaee09d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.273353][  T680] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7f00f6108e
[   21.273543][  T680] RDX: 0000000000000000 RSI: 00007ffedaee0a80 RDI: 0000000000000005
[   21.273734][  T680] RBP: 00007ffedaee09e0 R08: 0000000000000000 R09: 0000000000000000
[   21.274006][  T680] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1a
[   21.274199][  T680] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffedaee1150
| [   21.430779][  T689] ------------[ cut here ]------------
| [   21.431009][  T689] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/689
| [   21.431290][  T689] Modules linked in: ip_gre gre
| [   21.431788][  T689] Tainted: [W]=WARN
[   21.431959][  T689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.432167][  T689] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.432390][  T689] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.432909][  T689] RSP: 0018:ffa0000001d4f060 EFLAGS: 00010286
[   21.433119][  T689] RAX: 00000000ffffffa6 RBX: ff1100000ab58e40 RCX: 1ff40000003a9dd2
[   21.433358][  T689] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab58efc
[   21.433594][  T689] RBP: ff11000010494000 R08: 1fe220000156b1e1 R09: ff1100000e3fae58
[   21.433829][  T689] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   21.434078][  T689] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001d4f0f8
[   21.434325][  T689] FS:  00007f1a71a0d840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   21.434594][  T689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.434801][  T689] CR2: 00007f110edae2a0 CR3: 000000000f0fd004 CR4: 0000000000771ef0
[   21.435101][  T689] PKRU: 55555554
[   21.435241][  T689] Call Trace:
[   21.435389][  T689]  <TASK>
[   21.435501][  T689]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.435679][  T689]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.435824][  T689]  netif_close_many (net/core/dev.c:1804)
[   21.436014][  T689]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.436191][  T689]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.436377][  T689]  ? __dev_close_many (net/core/dev.c:1781)
[   21.436553][  T689]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   21.436762][  T689]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.436984][  T689]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.437158][  T689]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.437339][  T689]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.437544][  T689]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.437718][  T689]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.437908][  T689]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.438120][  T689]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   21.438300][  T689]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   21.438487][  T689]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   21.438666][  T689]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   21.438844][  T689]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.439033][  T689]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.439208][  T689]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.439388][  T689]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.439560][  T689]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.439753][  T689]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.439939][  T689]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.440114][  T689]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.440286][  T689]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.440468][  T689]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.440641][  T689]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   21.440817][  T689]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.440999][  T689]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.441178][  T689]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.441358][  T689]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.441533][  T689]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.441709][  T689]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.441897][  T689]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.442071][  T689]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.442245][  T689]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.442432][  T689]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.442610][  T689]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.442786][  T689]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.442975][  T689]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.443151][  T689]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.443336][  T689]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.443510][  T689]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.443686][  T689]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.443862][  T689]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.444053][  T689]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.444229][  T689]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.444415][  T689]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.444588][  T689]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.444765][  T689]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.444954][  T689]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.445128][  T689]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.445341][  T689]  ? move_addr_to_kernel (net/socket.c:258)
[   21.445516][  T689]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.445692][  T689]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.445868][  T689]  ___sys_sendmsg (net/socket.c:2752)
[   21.446053][  T689]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.446257][  T689]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.446450][  T689]  __sys_sendmsg (net/socket.c:2784)
[   21.446628][  T689]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.446799][  T689]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.447022][  T689]  ? 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)
[   21.447197][  T689]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.447384][  T689]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.447558][  T689]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.447732][  T689]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.447918][  T689]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.448124][  T689] RIP: 0033:0x7f1a71c4708e
[   21.448304][  T689] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.448806][  T689] RSP: 002b:00007ffe2ee2a690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.449060][  T689] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1a71c4708e
[   21.449296][  T689] RDX: 0000000000000000 RSI: 00007ffe2ee2a740 RDI: 0000000000000005
[   21.449539][  T689] RBP: 00007ffe2ee2a6a0 R08: 0000000000000000 R09: 0000000000000000
[   21.449774][  T689] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1a
[   21.450024][  T689] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2ee2ae10
| [   21.454226][  T689] ------------[ cut here ]------------
| [   21.454409][  T689] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/689
| [   21.454668][  T689] Modules linked in: ip_gre gre
| [   21.455157][  T689] Tainted: [W]=WARN
[   21.455295][  T689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.455505][  T689] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.455713][  T689] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.456285][  T689] RSP: 0018:ffa0000001d4f190 EFLAGS: 00010286
[   21.456544][  T689] RAX: 00000000ffffffa6 RBX: ff1100000ab59540 RCX: 1ff40000003a9df8
[   21.456821][  T689] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab595fc
[   21.457109][  T689] RBP: ff11000010494000 R08: 1fe220000156b2c1 R09: ff1100000e3fae58
[   21.457394][  T689] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.457672][  T689] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.457964][  T689] FS:  00007f1a71a0d840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   21.458338][  T689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.458586][  T689] CR2: 00007f110edae2a0 CR3: 000000000f0fd004 CR4: 0000000000771ef0
[   21.458863][  T689] PKRU: 55555554
[   21.459060][  T689] Call Trace:
[   21.459247][  T689]  <TASK>
[   21.459410][  T689]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.459665][  T689]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.459923][  T689]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.460141][  T689]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.460364][  T689]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.460614][  T689]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   21.460832][  T689]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   21.461062][  T689]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   21.461281][  T689]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.461504][  T689]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.461719][  T689]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.461949][  T689]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.462165][  T689]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.462406][  T689]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.462625][  T689]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.462844][  T689]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.463073][  T689]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.463290][  T689]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.463518][  T689]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   21.463737][  T689]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.463963][  T689]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.464179][  T689]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.464403][  T689]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.464628][  T689]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.464846][  T689]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.465074][  T689]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.465290][  T689]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.465514][  T689]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.465732][  T689]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.465959][  T689]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.466176][  T689]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.466405][  T689]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.466623][  T689]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.466841][  T689]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.467071][  T689]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.467288][  T689]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.467494][  T689]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.467661][  T689]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.467832][  T689]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.468015][  T689]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.468186][  T689]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.468365][  T689]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.468532][  T689]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.468702][  T689]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.468913][  T689]  ? move_addr_to_kernel (net/socket.c:258)
[   21.469087][  T689]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.469254][  T689]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.469434][  T689]  ___sys_sendmsg (net/socket.c:2752)
[   21.469600][  T689]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.469798][  T689]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.469991][  T689]  __sys_sendmsg (net/socket.c:2784)
[   21.470159][  T689]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.470330][  T689]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.470532][  T689]  ? 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)
[   21.470700][  T689]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.470868][  T689]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.471049][  T689]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.471243][  T689]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.471417][  T689]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.471612][  T689] RIP: 0033:0x7f1a71c4708e
[   21.471790][  T689] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.472278][  T689] RSP: 002b:00007ffe2ee2a690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.472513][  T689] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1a71c4708e
[   21.472742][  T689] RDX: 0000000000000000 RSI: 00007ffe2ee2a740 RDI: 0000000000000005
[   21.472981][  T689] RBP: 00007ffe2ee2a6a0 R08: 0000000000000000 R09: 0000000000000000
[   21.473205][  T689] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1a
[   21.473439][  T689] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2ee2ae10
| [   21.521440][  T690] ------------[ cut here ]------------
| [   21.521597][  T690] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/690
| [   21.521838][  T690] Modules linked in: ip_gre gre
| [   21.522292][  T690] Tainted: [W]=WARN
[   21.522428][  T690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.522599][  T690] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.522774][  T690] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.523260][  T690] RSP: 0018:ffa0000001d5ef10 EFLAGS: 00010286
[   21.523438][  T690] RAX: 00000000ffffffa6 RBX: ff1100000e52a040 RCX: 1ff40000003abda8
[   21.523642][  T690] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e52a0fc
[   21.523844][  T690] RBP: ff11000008ce9000 R08: 1fe2200001ca5421 R09: ff1100000e3fd180
[   21.524052][  T690] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   21.524254][  T690] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   21.524463][  T690] FS:  00007fc498abb840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   21.524700][  T690] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.524870][  T690] CR2: 000000000042f320 CR3: 000000001046d003 CR4: 0000000000771ef0
[   21.525080][  T690] PKRU: 55555554
[   21.525182][  T690] Call Trace:
[   21.525283][  T690]  <TASK>
[   21.525358][  T690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.525496][  T690]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   21.525632][  T690]  notifier_call_chain (kernel/notifier.c:85)
[   21.525772][  T690]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   21.525916][  T690]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   21.526051][  T690]  ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2850)
[   21.526220][  T690]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3055)
[   21.526396][  T690]  ? crng_make_state (drivers/char/random.c:383 (discriminator 14))
[   21.526536][  T690]  netif_set_mtu (net/core/dev.c:9910)
[   21.526675][  T690]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   21.526811][  T690]  ? ip_tunnel_bind_dev (./include/net/route.h:285 net/ipv4/ip_tunnel.c:304)
[   21.526959][  T690]  dev_set_mtu (net/core/dev_api.c:249)
[   21.527063][  T690]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   21.527200][  T690]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   21.527345][  T690]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   21.527518][  T690] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   21.527655][  T690]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   21.527827][  T690]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   21.527970][  T690]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   21.528110][  T690]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   21.528246][  T690]  ? __dev_get_by_name (net/core/dev.c:883)
[   21.528388][  T690]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   21.528531][  T690]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   21.528671][  T690]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.528809][  T690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.528952][  T690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.529089][  T690]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.529226][  T690]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.529368][  T690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.529509][  T690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.529649][  T690]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.529786][  T690]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.529928][  T690]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.530064][  T690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.530200][  T690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.530342][  T690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.530479][  T690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.530617][  T690]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.530756][  T690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.530898][  T690]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.531040][  T690]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.531176][  T690]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.531320][  T690]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.531457][  T690]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.531594][  T690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.531732][  T690]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.531872][  T690]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.532018][  T690]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.532156][  T690]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.532293][  T690]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.532436][  T690]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.532605][  T690]  ? move_addr_to_kernel (net/socket.c:258)
[   21.532747][  T690]  ___sys_sendmsg (net/socket.c:2752)
[   21.532890][  T690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.533026][  T690]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.533172][  T690]  ? 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))
[   21.533317][  T690]  __sys_sendmsg (net/socket.c:2784)
[   21.533455][  T690]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.533597][  T690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.533733][  T690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.533873][  T690]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.534016][  T690]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.534154][  T690]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.534291][  T690]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.534468][  T690] RIP: 0033:0x7fc498cf508e
[   21.534612][  T690] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.535107][  T690] RSP: 002b:00007ffebe54d6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.535320][  T690] RAX: ffffffffffffffda RBX: 00007ffebe54de90 RCX: 00007fc498cf508e
[   21.535525][  T690] RDX: 0000000000000000 RSI: 00007ffebe54d790 RDI: 0000000000000005
[   21.535732][  T690] RBP: 00007ffebe54d6f0 R08: 0000000000000000 R09: 0000000000000000
[   21.535945][  T690] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1a
[   21.536152][  T690] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebe54de50
| [   21.537757][  T690] ------------[ cut here ]------------
| [   21.537890][  T690] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/690
| [   21.538116][  T690] Modules linked in: ip_gre gre
| [   21.538520][  T690] Tainted: [W]=WARN
[   21.538621][  T690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.538786][  T690] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.538962][  T690] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.539437][  T690] RSP: 0018:ffa0000001d5f1b0 EFLAGS: 00010286
[   21.539602][  T690] RAX: 00000000ffffffa6 RBX: ff110000052ea3c0 RCX: 1ff40000003abdfc
[   21.539799][  T690] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052ea47c
[   21.540000][  T690] RBP: ff11000008ce9000 R08: 1fe2200000a5d491 R09: ff1100000e3fd180
[   21.540197][  T690] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   21.540400][  T690] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f6d40
[   21.540598][  T690] FS:  00007fc498abb840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   21.540827][  T690] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.540998][  T690] CR2: 000000000042f320 CR3: 000000001046d003 CR4: 0000000000771ef0
[   21.541198][  T690] PKRU: 55555554
[   21.541297][  T690] Call Trace:
[   21.541401][  T690]  <TASK>
[   21.541469][  T690]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.541602][  T690]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.541703][  T690]  __dev_notify_flags (net/core/dev.c:9787)
[   21.541837][  T690]  ? netif_change_name (net/core/dev.c:1495)
[   21.541975][  T690]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   21.542144][  T690]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   21.542278][  T690]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   21.542418][  T690]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   21.542552][  T690]  ? __dev_get_by_name (net/core/dev.c:883)
[   21.542684][  T690]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   21.542822][  T690]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   21.542964][  T690]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.543098][  T690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.543232][  T690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.543369][  T690]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.543502][  T690]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.543634][  T690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.543769][  T690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.543908][  T690]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.544041][  T690]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.544175][  T690]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.544307][  T690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.544445][  T690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.544579][  T690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.544710][  T690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.544843][  T690]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.544981][  T690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.545114][  T690]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.545252][  T690]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.545386][  T690]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.545521][  T690]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.545653][  T690]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.545785][  T690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.545925][  T690]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.546059][  T690]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.546193][  T690]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.546352][  T690]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.546485][  T690]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.546617][  T690]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.546780][  T690]  ? move_addr_to_kernel (net/socket.c:258)
[   21.546921][  T690]  ___sys_sendmsg (net/socket.c:2752)
[   21.547053][  T690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.547186][  T690]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.547334][  T690]  ? 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))
[   21.547469][  T690]  __sys_sendmsg (net/socket.c:2784)
[   21.547601][  T690]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.547738][  T690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.547871][  T690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.548009][  T690]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.548141][  T690]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.548276][  T690]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.548415][  T690]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.548579][  T690] RIP: 0033:0x7fc498cf508e
[   21.548717][  T690] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.549192][  T690] RSP: 002b:00007ffebe54d6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.549398][  T690] RAX: ffffffffffffffda RBX: 00007ffebe54de90 RCX: 00007fc498cf508e
[   21.549595][  T690] RDX: 0000000000000000 RSI: 00007ffebe54d790 RDI: 0000000000000005
[   21.549792][  T690] RBP: 00007ffebe54d6f0 R08: 0000000000000000 R09: 0000000000000000
[   21.549995][  T690] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1a
[   21.550194][  T690] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebe54de50
| [   21.619831][  T692] ------------[ cut here ]------------
| [   21.619983][  T692] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/692
| [   21.620210][  T692] Modules linked in: ip_gre gre
| [   21.620608][  T692] Tainted: [W]=WARN
[   21.620705][  T692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.620863][  T692] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.621034][  T692] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.621492][  T692] RSP: 0018:ffa0000001d7f020 EFLAGS: 00010286
[   21.621654][  T692] RAX: 00000000ffffffa6 RBX: ff1100000e52ba80 RCX: 1ff40000003afdca
[   21.621842][  T692] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e52bb3c
[   21.622039][  T692] RBP: ff11000008ce9000 R08: 1fe2200001ca5769 R09: ff1100000a9fae58
[   21.622229][  T692] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   21.622425][  T692] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   21.622620][  T692] FS:  00007fd1985c9840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   21.622844][  T692] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.623012][  T692] CR2: 0000000038cfe988 CR3: 000000000f1d6006 CR4: 0000000000771ef0
[   21.623203][  T692] PKRU: 55555554
[   21.623299][  T692] Call Trace:
[   21.623400][  T692]  <TASK>
[   21.623466][  T692]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.623598][  T692]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.623696][  T692]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.623823][  T692]  __dev_notify_flags (net/core/dev.c:9787)
[   21.623958][  T692]  ? netif_change_name (net/core/dev.c:1495)
[   21.624087][  T692]  ? __dev_change_flags (net/core/dev.c:9752)
[   21.624215][  T692]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.624349][  T692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.624480][  T692]  ? 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))
[   21.624610][  T692]  netif_change_flags (net/core/dev.c:9820)
[   21.624739][  T692]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.624868][  T692]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.625007][  T692]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   21.625136][  T692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.625297][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.625431][  T692]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.625559][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.625688][  T692]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.625818][  T692]  ? __kernel_text_address (kernel/extable.c:79)
[   21.625953][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.626083][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.626212][  T692]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.626346][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.626475][  T692]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.626602][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.626730][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.626858][  T692]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   21.626991][  T692]  ? __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)
[   21.627121][  T692]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   21.627250][  T692]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.627383][  T692]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   21.627513][  T692]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   21.627643][  T692]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.627774][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.627907][  T692]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.628036][  T692]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.628163][  T692]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.628291][  T692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.628426][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.628555][  T692]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.628683][  T692]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.628812][  T692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.628947][  T692]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.629075][  T692]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.629204][  T692]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.629335][  T692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.629462][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.629592][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.629718][  T692]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.629846][  T692]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.629977][  T692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.630105][  T692]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.630239][  T692]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.630371][  T692]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.630500][  T692]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.630630][  T692]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.630758][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.630892][  T692]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.631021][  T692]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.631151][  T692]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.631283][  T692]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.631416][  T692]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.631543][  T692]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.631701][  T692]  ? move_addr_to_kernel (net/socket.c:258)
[   21.631830][  T692]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.631961][  T692]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.632089][  T692]  ___sys_sendmsg (net/socket.c:2752)
[   21.632217][  T692]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.632380][  T692]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.632519][  T692]  __sys_sendmsg (net/socket.c:2784)
[   21.632646][  T692]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.632774][  T692]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.632942][  T692]  ? 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)
[   21.633070][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.633200][  T692]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.633332][  T692]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.633459][  T692]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.633585][  T692]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.633743][  T692] RIP: 0033:0x7fd19880308e
[   21.633875][  T692] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.634338][  T692] RSP: 002b:00007fff86a1ea10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.634529][  T692] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd19880308e
[   21.634718][  T692] RDX: 0000000000000000 RSI: 00007fff86a1eac0 RDI: 0000000000000005
[   21.634914][  T692] RBP: 00007fff86a1ea20 R08: 0000000000000000 R09: 0000000000000000
[   21.635103][  T692] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1a
[   21.635293][  T692] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff86a1f190
| [   21.732175][  T700] ------------[ cut here ]------------
| [   21.732329][  T700] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/700
| [   21.732552][  T700] Modules linked in: ip_gre gre
| [   21.733671][  T700] Tainted: [W]=WARN
[   21.733768][  T700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.733986][  T700] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.734150][  T700] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.734618][  T700] RSP: 0018:ffa0000001dbf020 EFLAGS: 00010286
[   21.734781][  T700] RAX: 00000000ffffffa6 RBX: ff1100000e174740 RCX: 1ff40000003b7dca
[   21.734975][  T700] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e1747fc
[   21.735164][  T700] RBP: ff11000008ce9000 R08: 1fe2200001c2e901 R09: ff110000100e8b58
[   21.735355][  T700] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   21.735543][  T700] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   21.735732][  T700] FS:  00007f134ab5e840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   21.735958][  T700] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.736116][  T700] CR2: 0000000021023988 CR3: 0000000010813003 CR4: 0000000000771ef0
[   21.736308][  T700] PKRU: 55555554
[   21.736406][  T700] Call Trace:
[   21.736500][  T700]  <TASK>
[   21.736565][  T700]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.736692][  T700]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.736788][  T700]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.736920][  T700]  __dev_notify_flags (net/core/dev.c:9787)
[   21.737047][  T700]  ? netif_change_name (net/core/dev.c:1495)
[   21.737175][  T700]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   21.737302][  T700]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.737432][  T700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.737559][  T700]  ? 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))
[   21.737688][  T700]  netif_change_flags (net/core/dev.c:9820)
[   21.737814][  T700]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.737945][  T700]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.738075][  T700]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   21.738203][  T700]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.738364][  T700]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.738489][  T700]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.738614][  T700]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.738739][  T700]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.738867][  T700]  ? __kernel_text_address (kernel/extable.c:79)
[   21.738999][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.739128][  T700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.739253][  T700]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.739384][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.739511][  T700]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.739636][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.739762][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.739894][  T700]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   21.740022][  T700]  ? __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)
[   21.740150][  T700]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   21.740276][  T700]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.740409][  T700]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   21.740536][  T700]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   21.740666][  T700]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.740796][  T700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.740927][  T700]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.741053][  T700]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.741178][  T700]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.741303][  T700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.741436][  T700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.741561][  T700]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.741688][  T700]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.741814][  T700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.741945][  T700]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.742072][  T700]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.742200][  T700]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.742328][  T700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.742453][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.742580][  T700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.742707][  T700]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.742835][  T700]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.742966][  T700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.743095][  T700]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.743230][  T700]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.743363][  T700]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.743490][  T700]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.743618][  T700]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.743747][  T700]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.743874][  T700]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.744007][  T700]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.744136][  T700]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.744268][  T700]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.744404][  T700]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.744534][  T700]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.744698][  T700]  ? move_addr_to_kernel (net/socket.c:258)
[   21.744831][  T700]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.744966][  T700]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.745098][  T700]  ___sys_sendmsg (net/socket.c:2752)
[   21.745228][  T700]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.745394][  T700]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.745533][  T700]  __sys_sendmsg (net/socket.c:2784)
[   21.745661][  T700]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.745787][  T700]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.745951][  T700]  ? 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)
[   21.746078][  T700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.746204][  T700]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.746336][  T700]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.746464][  T700]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.746589][  T700]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.746747][  T700] RIP: 0033:0x7f134ad9808e
[   21.746879][  T700] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.747337][  T700] RSP: 002b:00007fff20cb3250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.747529][  T700] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f134ad9808e
[   21.747716][  T700] RDX: 0000000000000000 RSI: 00007fff20cb3300 RDI: 0000000000000005
[   21.747909][  T700] RBP: 00007fff20cb3260 R08: 0000000000000000 R09: 0000000000000000
[   21.748098][  T700] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1b
[   21.748288][  T700] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff20cb39d0
| [   21.820453][  T702] ------------[ cut here ]------------
| [   21.820609][  T702] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/702
| [   21.820835][  T702] Modules linked in: ip_gre gre
| [   21.821417][  T702] Tainted: [W]=WARN
[   21.821515][  T702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.821681][  T702] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.821850][  T702] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.822320][  T702] RSP: 0018:ffa0000001dcf020 EFLAGS: 00010286
[   21.822483][  T702] RAX: 00000000ffffffa6 RBX: ff1100000c2db8c0 RCX: 1ff40000003b9dca
[   21.822677][  T702] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2db97c
[   21.822870][  T702] RBP: ff11000008ce9000 R08: 1fe220000185b731 R09: ff110000100ed158
[   21.823066][  T702] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   21.823256][  T702] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   21.823453][  T702] FS:  00007fc278b2d840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   21.823679][  T702] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.823839][  T702] CR2: 000000000af05988 CR3: 0000000010633001 CR4: 0000000000771ef0
[   21.824039][  T702] PKRU: 55555554
[   21.824136][  T702] Call Trace:
[   21.824233][  T702]  <TASK>
[   21.824300][  T702]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.824437][  T702]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.824535][  T702]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.824664][  T702]  __dev_notify_flags (net/core/dev.c:9787)
[   21.824792][  T702]  ? netif_change_name (net/core/dev.c:1495)
[   21.824926][  T702]  ? __dev_change_flags (net/core/dev.c:9752)
[   21.825059][  T702]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.825187][  T702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.825320][  T702]  ? 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))
[   21.825452][  T702]  netif_change_flags (net/core/dev.c:9820)
[   21.825580][  T702]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.825710][  T702]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.825842][  T702]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   21.825976][  T702]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.826137][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.826264][  T702]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.826397][  T702]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.826525][  T702]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.826654][  T702]  ? __kernel_text_address (kernel/extable.c:79)
[   21.826783][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.826917][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.827045][  T702]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.827174][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.827303][  T702]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.827434][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.827562][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.827690][  T702]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   21.827819][  T702]  ? __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)
[   21.827953][  T702]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   21.828080][  T702]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.828209][  T702]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   21.828347][  T702]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   21.828478][  T702]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.828608][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.828737][  T702]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.828864][  T702]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.828996][  T702]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.829125][  T702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.829255][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.829387][  T702]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.829515][  T702]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.829646][  T702]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.829774][  T702]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.829907][  T702]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.830034][  T702]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.830161][  T702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.830288][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.830421][  T702]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.830548][  T702]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.830676][  T702]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.830806][  T702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.830942][  T702]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.831072][  T702]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.831198][  T702]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.831331][  T702]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.831460][  T702]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.831588][  T702]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.831718][  T702]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.831846][  T702]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.831980][  T702]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.832111][  T702]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.832239][  T702]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.832371][  T702]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.832531][  T702]  ? move_addr_to_kernel (net/socket.c:258)
[   21.832661][  T702]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.832789][  T702]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.832923][  T702]  ___sys_sendmsg (net/socket.c:2752)
[   21.833051][  T702]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.833210][  T702]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.833354][  T702]  __sys_sendmsg (net/socket.c:2784)
[   21.833483][  T702]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.833611][  T702]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.833774][  T702]  ? 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)
[   21.833908][  T702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.834036][  T702]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.834164][  T702]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.834291][  T702]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.834423][  T702]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.834582][  T702] RIP: 0033:0x7fc278d6708e
[   21.834715][  T702] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.835174][  T702] RSP: 002b:00007ffe97465150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.835371][  T702] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc278d6708e
[   21.835561][  T702] RDX: 0000000000000000 RSI: 00007ffe97465200 RDI: 0000000000000005
[   21.835751][  T702] RBP: 00007ffe97465160 R08: 0000000000000000 R09: 0000000000000000
[   21.835947][  T702] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1b
[   21.836139][  T702] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe974658d0
| [   21.989261][  T711] ------------[ cut here ]------------
| [   21.989435][  T711] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/711
| [   21.989668][  T711] Modules linked in: ip_gre gre
| [   21.990080][  T711] Tainted: [W]=WARN
[   21.990177][  T711] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.990345][  T711] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.990512][  T711] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.990971][  T711] RSP: 0018:ffa0000001def060 EFLAGS: 00010286
[   21.991135][  T711] RAX: 00000000ffffffa6 RBX: ff1100000e22a3c0 RCX: 1ff40000003bddd2
[   21.991332][  T711] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22a47c
[   21.991524][  T711] RBP: ff11000008ce9000 R08: 1fe2200001c45491 R09: ff1100000fd12e58
[   21.991712][  T711] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   21.991905][  T711] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001def0f8
[   21.992098][  T711] FS:  00007ff68017b840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   21.992327][  T711] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.992490][  T711] CR2: 000000003a375988 CR3: 0000000010661003 CR4: 0000000000771ef0
[   21.992684][  T711] PKRU: 55555554
[   21.992779][  T711] Call Trace:
[   21.992878][  T711]  <TASK>
[   21.992950][  T711]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.993080][  T711]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.993178][  T711]  netif_close_many (net/core/dev.c:1804)
[   21.993305][  T711]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.993441][  T711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.993568][  T711]  ? __dev_close_many (net/core/dev.c:1781)
[   21.993695][  T711]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   21.993854][  T711]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.994019][  T711]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.994144][  T711]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.994272][  T711]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.994434][  T711]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.994564][  T711]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.994691][  T711]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.994848][  T711]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   21.994981][  T711]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   21.995108][  T711]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   21.995236][  T711]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   21.995369][  T711]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.995494][  T711]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.995620][  T711]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.995745][  T711]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.995870][  T711]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.996021][  T711]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.996147][  T711]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.996274][  T711]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.996405][  T711]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.996531][  T711]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.996659][  T711]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   21.996788][  T711]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.996918][  T711]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.997045][  T711]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.997172][  T711]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.997300][  T711]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.997435][  T711]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.997564][  T711]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.997690][  T711]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.997816][  T711]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.998011][  T711]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.998138][  T711]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.998266][  T711]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.998398][  T711]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.998525][  T711]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.998656][  T711]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.998782][  T711]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.998936][  T711]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.999068][  T711]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.999199][  T711]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.999332][  T711]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.999459][  T711]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.999587][  T711]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.999717][  T711]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.999843][  T711]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.999974][  T711]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.000132][  T711]  ? move_addr_to_kernel (net/socket.c:258)
[   22.000260][  T711]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.000394][  T711]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.000523][  T711]  ___sys_sendmsg (net/socket.c:2752)
[   22.000649][  T711]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.000807][  T711]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.000951][  T711]  __sys_sendmsg (net/socket.c:2784)
[   22.001081][  T711]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.001207][  T711]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.001371][  T711]  ? 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)
[   22.001502][  T711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.001630][  T711]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.001757][  T711]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.001890][  T711]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.002017][  T711]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.002177][  T711] RIP: 0033:0x7ff6803b508e
[   22.002316][  T711] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.002767][  T711] RSP: 002b:00007ffd4b33b2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.002961][  T711] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff6803b508e
[   22.003151][  T711] RDX: 0000000000000000 RSI: 00007ffd4b33b370 RDI: 0000000000000005
[   22.003344][  T711] RBP: 00007ffd4b33b2d0 R08: 0000000000000000 R09: 0000000000000000
[   22.003533][  T711] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1b
[   22.003722][  T711] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4b33ba40
| [   22.007229][  T711] ------------[ cut here ]------------
| [   22.007364][  T711] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/711
| [   22.007580][  T711] Modules linked in: ip_gre gre
| [   22.008578][  T711] Tainted: [W]=WARN
[   22.008672][  T711] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.008826][  T711] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.009041][  T711] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.009488][  T711] RSP: 0018:ffa0000001def190 EFLAGS: 00010286
[   22.009642][  T711] RAX: 00000000ffffffa6 RBX: ff1100000cdac900 RCX: 1ff40000003bddf8
[   22.009824][  T711] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdac9bc
[   22.010059][  T711] RBP: ff11000008ce9000 R08: 1fe22000019b5939 R09: ff1100000fd12e58
[   22.010243][  T711] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.010430][  T711] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.010613][  T711] FS:  00007ff68017b840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   22.010827][  T711] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.011031][  T711] CR2: 000000003a375988 CR3: 0000000010661003 CR4: 0000000000771ef0
[   22.011217][  T711] PKRU: 55555554
[   22.011309][  T711] Call Trace:
[   22.011403][  T711]  <TASK>
[   22.011466][  T711]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.011624][  T711]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.011775][  T711]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.011951][  T711]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.012074][  T711]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.012227][  T711]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.012354][  T711]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   22.012477][  T711]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   22.012604][  T711]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.012727][  T711]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.012854][  T711]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.013030][  T711]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.013153][  T711]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.013292][  T711]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.013417][  T711]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.013539][  T711]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.013661][  T711]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.013783][  T711]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.013957][  T711]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   22.014084][  T711]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.014206][  T711]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.014333][  T711]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.014456][  T711]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.014580][  T711]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.014702][  T711]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.014825][  T711]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.014998][  T711]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.015122][  T711]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.015246][  T711]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.015375][  T711]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.015498][  T711]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.015621][  T711]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.015743][  T711]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.015869][  T711]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.016044][  T711]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.016169][  T711]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.016292][  T711]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.016419][  T711]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.016543][  T711]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.016666][  T711]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.016812][  T711]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.016988][  T711]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.017113][  T711]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.017235][  T711]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.017393][  T711]  ? move_addr_to_kernel (net/socket.c:258)
[   22.017515][  T711]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.017640][  T711]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.017765][  T711]  ___sys_sendmsg (net/socket.c:2752)
[   22.017938][  T711]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.018093][  T711]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.018227][  T711]  __sys_sendmsg (net/socket.c:2784)
[   22.018356][  T711]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.018480][  T711]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.018636][  T711]  ? 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)
[   22.018759][  T711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.018937][  T711]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.019061][  T711]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.019185][  T711]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.019309][  T711]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.019467][  T711] RIP: 0033:0x7ff6803b508e
[   22.019595][  T711] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.020086][  T711] RSP: 002b:00007ffd4b33b2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.020271][  T711] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff6803b508e
[   22.020457][  T711] RDX: 0000000000000000 RSI: 00007ffd4b33b370 RDI: 0000000000000005
[   22.020641][  T711] RBP: 00007ffd4b33b2d0 R08: 0000000000000000 R09: 0000000000000000
[   22.020825][  T711] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1b
[   22.021061][  T711] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4b33ba40
| [   22.060787][  T712] ------------[ cut here ]------------
| [   22.061410][  T712] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/712
| [   22.061698][  T712] Modules linked in: ip_gre gre
| [   22.062226][  T712] Tainted: [W]=WARN
[   22.062384][  T712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.062605][  T712] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.062828][  T712] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.063381][  T712] RSP: 0018:ffa0000001deef10 EFLAGS: 00010286
[   22.063600][  T712] RAX: 00000000ffffffa6 RBX: ff1100000d273700 RCX: 1ff40000003bdda8
[   22.063850][  T712] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2737bc
[   22.064112][  T712] RBP: ff1100000f284000 R08: 1fe2200001a4e6f9 R09: ff1100000fd10b80
[   22.064370][  T712] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   22.064618][  T712] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   22.064869][  T712] FS:  00007f0f0c95f840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   22.065170][  T712] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.065394][  T712] CR2: 00007f0f0cb58460 CR3: 0000000010aa7003 CR4: 0000000000771ef0
[   22.065646][  T712] PKRU: 55555554
[   22.065795][  T712] Call Trace:
[   22.065956][  T712]  <TASK>
[   22.066073][  T712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.066256][  T712]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   22.066453][  T712]  notifier_call_chain (kernel/notifier.c:85)
[   22.066645][  T712]  netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9889)
[   22.066829][  T712]  ? dev_validate_mtu (net/core/dev.c:9842 (discriminator 2))
[   22.067024][  T712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.067211][  T712]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.067404][  T712]  ? crng_make_state (drivers/char/random.c:383 (discriminator 14))
[   22.067594][  T712]  netif_set_mtu (net/core/dev.c:9910)
[   22.067779][  T712]  ? netif_set_mtu_ext (net/core/dev.c:9847 (discriminator 2))
[   22.067985][  T712]  dev_set_mtu (net/core/dev_api.c:249)
[   22.068136][  T712]  ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1232)
[   22.068327][  T712]  ? ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1155)
[   22.068515][  T712]  ? ipgre_netlink_parms.isra.0 (net/ipv4/ip_gre.c:1205 (discriminator 1)) ip_gre
[   22.068734][  T712] ipgre_newlink (net/ipv4/ip_gre.c:1426 (discriminator 3)) ip_gre
[   22.068932][  T712]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   22.069153][  T712]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   22.069349][  T712]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   22.069535][  T712]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.069719][  T712]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.069915][  T712]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.070105][  T712]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.070295][  T712]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.070490][  T712]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.070675][  T712]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.070859][  T712]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.071054][  T712]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.071240][  T712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.071432][  T712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.071618][  T712]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.071802][  T712]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.071999][  T712]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.072185][  T712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.072376][  T712]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.072563][  T712]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.072745][  T712]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.072942][  T712]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.073126][  T712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.073318][  T712]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.073508][  T712]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.073693][  T712]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.073878][  T712]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.074077][  T712]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.074259][  T712]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.074452][  T712]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.074637][  T712]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.074823][  T712]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.075026][  T712]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.075211][  T712]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.075403][  T712]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.075619][  T712]  ? move_addr_to_kernel (net/socket.c:258)
[   22.075809][  T712]  ___sys_sendmsg (net/socket.c:2752)
[   22.076003][  T712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.076187][  T712]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.076390][  T712]  ? 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))
[   22.076578][  T712]  __sys_sendmsg (net/socket.c:2784)
[   22.076763][  T712]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.076964][  T712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.077148][  T712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.077340][  T712]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.077522][  T712]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.077705][  T712]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.077904][  T712]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.078121][  T712] RIP: 0033:0x7f0f0cb9908e
[   22.078317][  T712] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.078846][  T712] RSP: 002b:00007ffc604e9890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.079109][  T712] RAX: ffffffffffffffda RBX: 00007ffc604ea040 RCX: 00007f0f0cb9908e
[   22.079366][  T712] RDX: 0000000000000000 RSI: 00007ffc604e9940 RDI: 0000000000000005
[   22.079616][  T712] RBP: 00007ffc604e98a0 R08: 0000000000000000 R09: 0000000000000000
[   22.079868][  T712] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1b
[   22.080132][  T712] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc604ea000
| [   22.082135][  T712] ------------[ cut here ]------------
| [   22.082305][  T712] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/712
| [   22.082586][  T712] Modules linked in: ip_gre gre
| [   22.083090][  T712] Tainted: [W]=WARN
[   22.083235][  T712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.083453][  T712] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.083668][  T712] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.084190][  T712] RSP: 0018:ffa0000001def1b0 EFLAGS: 00010286
[   22.084408][  T712] RAX: 00000000ffffffa6 RBX: ff1100000d273540 RCX: 1ff40000003bddfc
[   22.084651][  T712] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2735fc
[   22.084904][  T712] RBP: ff1100000f284000 R08: 1fe2200001a4e6c1 R09: ff1100000fd10b80
[   22.085142][  T712] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.085388][  T712] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02f6d40
[   22.085633][  T712] FS:  00007f0f0c95f840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   22.085920][  T712] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.086129][  T712] CR2: 00007f0f0cb58460 CR3: 0000000010aa7003 CR4: 0000000000771ef0
[   22.086378][  T712] PKRU: 55555554
[   22.086524][  T712] Call Trace:
[   22.086670][  T712]  <TASK>
[   22.086786][  T712]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.086978][  T712]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.087124][  T712]  __dev_notify_flags (net/core/dev.c:9787)
[   22.087304][  T712]  ? netif_change_name (net/core/dev.c:1495)
[   22.087490][  T712]  ? erspan_changelink (./include/linux/bitmap.h:264) ip_gre
[   22.087704][  T712]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.087897][  T712]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   22.088080][  T712]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.088258][  T712]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.088447][  T712]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.088631][  T712]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.088813][  T712]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.089004][  T712]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.089181][  T712]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.089367][  T712]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.089548][  T712]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.089725][  T712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.089920][  T712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.090099][  T712]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.090278][  T712]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.090461][  T712]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.090639][  T712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.090816][  T712]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.091011][  T712]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.091189][  T712]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.091377][  T712]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.091555][  T712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.091735][  T712]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.091931][  T712]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.092108][  T712]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.092293][  T712]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.092482][  T712]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.092661][  T712]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.092840][  T712]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.093035][  T712]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.093218][  T712]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.093407][  T712]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.093589][  T712]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.093771][  T712]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.093994][  T712]  ? move_addr_to_kernel (net/socket.c:258)
[   22.094178][  T712]  ___sys_sendmsg (net/socket.c:2752)
[   22.094359][  T712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.094538][  T712]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.094726][  T712]  ? 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))
[   22.094923][  T712]  __sys_sendmsg (net/socket.c:2784)
[   22.095102][  T712]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.095285][  T712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.095470][  T712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.095650][  T712]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.095827][  T712]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.096017][  T712]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.096196][  T712]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.096414][  T712] RIP: 0033:0x7f0f0cb9908e
[   22.096597][  T712] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.097216][  T712] RSP: 002b:00007ffc604e9890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.097467][  T712] RAX: ffffffffffffffda RBX: 00007ffc604ea040 RCX: 00007f0f0cb9908e
[   22.097803][  T712] RDX: 0000000000000000 RSI: 00007ffc604e9940 RDI: 0000000000000005
[   22.098059][  T712] RBP: 00007ffc604e98a0 R08: 0000000000000000 R09: 0000000000000000
[   22.098397][  T712] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1b
[   22.098639][  T712] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc604ea000
| [   22.175452][  T714] ------------[ cut here ]------------
| [   22.175626][  T714] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/714
| [   22.175869][  T714] Modules linked in: ip_gre gre
| [   22.176762][  T714] Tainted: [W]=WARN
[   22.176861][  T714] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.177030][  T714] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.177199][  T714] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.177670][  T714] RSP: 0018:ffa0000001e1f020 EFLAGS: 00010286
[   22.177835][  T714] RAX: 00000000ffffffa6 RBX: ff1100000c2d3540 RCX: 1ff40000003c3dca
[   22.178036][  T714] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2d35fc
[   22.178232][  T714] RBP: ff1100000f284000 R08: 1fe220000185a6c1 R09: ff1100001005ae58
[   22.178434][  T714] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   22.178630][  T714] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.178826][  T714] FS:  00007f28bc1f5840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   22.179060][  T714] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.179228][  T714] CR2: 000000003aba9988 CR3: 000000000f228004 CR4: 0000000000771ef0
[   22.179428][  T714] PKRU: 55555554
[   22.179526][  T714] Call Trace:
[   22.179625][  T714]  <TASK>
[   22.179693][  T714]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.179825][  T714]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.179930][  T714]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.180064][  T714]  __dev_notify_flags (net/core/dev.c:9787)
[   22.180199][  T714]  ? netif_change_name (net/core/dev.c:1495)
[   22.180338][  T714]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.180471][  T714]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.180601][  T714]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.180733][  T714]  ? 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))
[   22.180867][  T714]  netif_change_flags (net/core/dev.c:9820)
[   22.181004][  T714]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.181135][  T714]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.181269][  T714]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.181406][  T714]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.181570][  T714]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.181700][  T714]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.181829][  T714]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.181961][  T714]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.182093][  T714]  ? __kernel_text_address (kernel/extable.c:79)
[   22.182225][  T714]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.182363][  T714]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.182492][  T714]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.182623][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.182752][  T714]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.182880][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.183015][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.183144][  T714]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.183276][  T714]  ? __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)
[   22.183412][  T714]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.183541][  T714]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.183671][  T714]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.183802][  T714]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.183937][  T714]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.184067][  T714]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.184196][  T714]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.184327][  T714]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.184459][  T714]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.184589][  T714]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.184719][  T714]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.184850][  T714]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.184987][  T714]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.185117][  T714]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.185245][  T714]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.185383][  T714]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.185513][  T714]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.185642][  T714]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.185770][  T714]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.185904][  T714]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.186033][  T714]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.186162][  T714]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.186293][  T714]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.186430][  T714]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.186561][  T714]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.186689][  T714]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.186819][  T714]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.186956][  T714]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.187085][  T714]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.187216][  T714]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.187353][  T714]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.187486][  T714]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.187618][  T714]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.187748][  T714]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.187876][  T714]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.188041][  T714]  ? move_addr_to_kernel (net/socket.c:258)
[   22.188172][  T714]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.188301][  T714]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.188439][  T714]  ___sys_sendmsg (net/socket.c:2752)
[   22.188568][  T714]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.188730][  T714]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.188870][  T714]  __sys_sendmsg (net/socket.c:2784)
[   22.189009][  T714]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.189137][  T714]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.189302][  T714]  ? 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)
[   22.189443][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.189574][  T714]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.189704][  T714]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.189836][  T714]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.189971][  T714]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.190131][  T714] RIP: 0033:0x7f28bc42f08e
[   22.190269][  T714] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.190734][  T714] RSP: 002b:00007fffa4bd2cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.190932][  T714] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f28bc42f08e
[   22.191125][  T714] RDX: 0000000000000000 RSI: 00007fffa4bd2d60 RDI: 0000000000000005
[   22.191326][  T714] RBP: 00007fffa4bd2cc0 R08: 0000000000000000 R09: 0000000000000000
[   22.191519][  T714] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1b
[   22.191713][  T714] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa4bd3430
| [   22.302561][  T722] ------------[ cut here ]------------
| [   22.302723][  T722] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/722
| [   22.302965][  T722] Modules linked in: ip_gre gre
| [   22.303373][  T722] Tainted: [W]=WARN
[   22.303472][  T722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.303637][  T722] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.303808][  T722] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.304277][  T722] RSP: 0018:ffa0000001e4f020 EFLAGS: 00010286
[   22.304446][  T722] RAX: 00000000ffffffa6 RBX: ff110000051f6c80 RCX: 1ff40000003c9dca
[   22.304644][  T722] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f6d3c
[   22.304839][  T722] RBP: ff1100000f284000 R08: 1fe2200000a3eda9 R09: ff110000101c5158
[   22.305040][  T722] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   22.305232][  T722] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.305434][  T722] FS:  00007f133b670840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   22.305662][  T722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.305823][  T722] CR2: 00007f133b9401a0 CR3: 000000000e0a3005 CR4: 0000000000771ef0
[   22.306026][  T722] PKRU: 55555554
[   22.306124][  T722] Call Trace:
[   22.306222][  T722]  <TASK>
[   22.306291][  T722]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.306428][  T722]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.306528][  T722]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.306660][  T722]  __dev_notify_flags (net/core/dev.c:9787)
[   22.306794][  T722]  ? netif_change_name (net/core/dev.c:1495)
[   22.306930][  T722]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   22.307061][  T722]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.307191][  T722]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.307326][  T722]  ? 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))
[   22.307459][  T722]  netif_change_flags (net/core/dev.c:9820)
[   22.307589][  T722]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.307719][  T722]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.307851][  T722]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.307987][  T722]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.308150][  T722]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.308280][  T722]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.308416][  T722]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.308545][  T722]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.308677][  T722]  ? __kernel_text_address (kernel/extable.c:79)
[   22.308809][  T722]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.308946][  T722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.309075][  T722]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.309206][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.309342][  T722]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.309474][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.309605][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.309735][  T722]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.309868][  T722]  ? __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)
[   22.310104][  T722]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.310236][  T722]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.310373][  T722]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.310506][  T722]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.310639][  T722]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.310770][  T722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.310973][  T722]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.311103][  T722]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.311233][  T722]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.311365][  T722]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.311498][  T722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.311628][  T722]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.311758][  T722]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.311962][  T722]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.312094][  T722]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.312300][  T722]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.312435][  T722]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.312564][  T722]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.312693][  T722]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.312824][  T722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.313051][  T722]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.313181][  T722]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.313316][  T722]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.313445][  T722]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.313578][  T722]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.313707][  T722]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.313841][  T722]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.314035][  T722]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.314166][  T722]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.314296][  T722]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.314434][  T722]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.314564][  T722]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.314697][  T722]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.314828][  T722]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.315024][  T722]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.315185][  T722]  ? move_addr_to_kernel (net/socket.c:258)
[   22.315321][  T722]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.315453][  T722]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.315584][  T722]  ___sys_sendmsg (net/socket.c:2752)
[   22.315713][  T722]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.315873][  T722]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.316045][  T722]  __sys_sendmsg (net/socket.c:2784)
[   22.316176][  T722]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.316306][  T722]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.316474][  T722]  ? 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)
[   22.316605][  T722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.316738][  T722]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.316871][  T722]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.317007][  T722]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.317139][  T722]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.317302][  T722] RIP: 0033:0x7f133b8aa08e
[   22.317447][  T722] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.317915][  T722] RSP: 002b:00007ffc4c5be150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.318113][  T722] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f133b8aa08e
[   22.318308][  T722] RDX: 0000000000000000 RSI: 00007ffc4c5be200 RDI: 0000000000000005
[   22.318505][  T722] RBP: 00007ffc4c5be160 R08: 0000000000000000 R09: 0000000000000000
[   22.318698][  T722] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1b
[   22.318898][  T722] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4c5be8d0
| [   22.381484][  T724] ------------[ cut here ]------------
| [   22.381633][  T724] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/724
| [   22.381859][  T724] Modules linked in: ip_gre gre
| [   22.382269][  T724] Tainted: [W]=WARN
[   22.382373][  T724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.382536][  T724] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.382706][  T724] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.383176][  T724] RSP: 0018:ffa0000001e6f020 EFLAGS: 00010286
[   22.383346][  T724] RAX: 00000000ffffffa6 RBX: ff1100000f23fa80 RCX: 1ff40000003cddca
[   22.383544][  T724] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23fb3c
[   22.383739][  T724] RBP: ff1100000f284000 R08: 1fe2200001e47f69 R09: ff1100000a93ae58
[   22.383941][  T724] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   22.384135][  T724] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.384338][  T724] FS:  00007f2b5c829840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   22.384569][  T724] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.384737][  T724] CR2: 0000000040480988 CR3: 00000000099c7001 CR4: 0000000000771ef0
[   22.384939][  T724] PKRU: 55555554
[   22.385038][  T724] Call Trace:
[   22.385136][  T724]  <TASK>
[   22.385205][  T724]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.385344][  T724]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.385443][  T724]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.385575][  T724]  __dev_notify_flags (net/core/dev.c:9787)
[   22.385710][  T724]  ? netif_change_name (net/core/dev.c:1495)
[   22.385840][  T724]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.385977][  T724]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.386108][  T724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.386239][  T724]  ? 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))
[   22.386378][  T724]  netif_change_flags (net/core/dev.c:9820)
[   22.386509][  T724]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.386641][  T724]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.386777][  T724]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.386915][  T724]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.387078][  T724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.387207][  T724]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.387342][  T724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.387474][  T724]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.387605][  T724]  ? __kernel_text_address (kernel/extable.c:79)
[   22.387736][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.387869][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.388004][  T724]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.388135][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.388265][  T724]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.388401][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.388531][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.388661][  T724]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.388792][  T724]  ? __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)
[   22.389009][  T724]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.389140][  T724]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.389272][  T724]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.389411][  T724]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.389545][  T724]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.389677][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.389807][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.390005][  T724]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.390137][  T724]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.390267][  T724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.390406][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.390536][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.390668][  T724]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.390798][  T724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.391015][  T724]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.391172][  T724]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.391303][  T724]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.391438][  T724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.391567][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.391698][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.391830][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.391966][  T724]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.392097][  T724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.392227][  T724]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.392364][  T724]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.392494][  T724]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.392625][  T724]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.392758][  T724]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.392893][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.393025][  T724]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.393157][  T724]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.393290][  T724]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.393427][  T724]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.393558][  T724]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.393688][  T724]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.393851][  T724]  ? move_addr_to_kernel (net/socket.c:258)
[   22.393989][  T724]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.394119][  T724]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.394252][  T724]  ___sys_sendmsg (net/socket.c:2752)
[   22.394387][  T724]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.394550][  T724]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.394694][  T724]  __sys_sendmsg (net/socket.c:2784)
[   22.394824][  T724]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.394960][  T724]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.395124][  T724]  ? 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)
[   22.395255][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.395391][  T724]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.395526][  T724]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.395657][  T724]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.395788][  T724]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.395957][  T724] RIP: 0033:0x7f2b5ca6308e
[   22.396094][  T724] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.396558][  T724] RSP: 002b:00007ffc41727890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.396756][  T724] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2b5ca6308e
[   22.396956][  T724] RDX: 0000000000000000 RSI: 00007ffc41727940 RDI: 0000000000000005
[   22.397153][  T724] RBP: 00007ffc417278a0 R08: 0000000000000000 R09: 0000000000000000
[   22.397353][  T724] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1b
[   22.397548][  T724] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc41728010
| [   22.533639][  T733] ------------[ cut here ]------------
| [   22.533790][  T733] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/733
| [   22.534025][  T733] Modules linked in: ip_gre gre
| [   22.534423][  T733] Tainted: [W]=WARN
[   22.534521][  T733] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.534682][  T733] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.534850][  T733] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.535302][  T733] RSP: 0018:ffa0000001ebf060 EFLAGS: 00010286
[   22.535467][  T733] RAX: 00000000ffffffa6 RBX: ff1100000c30be00 RCX: 1ff40000003d7dd2
[   22.535656][  T733] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30bebc
[   22.535845][  T733] RBP: ff1100000f284000 R08: 1fe22000018617d9 R09: ff1100001037d158
[   22.536671][  T733] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   22.536864][  T733] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001ebf0f8
[   22.537109][  T733] FS:  00007f2f6d999840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   22.537337][  T733] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.537496][  T733] CR2: 000000003d6ca988 CR3: 000000000a9f3006 CR4: 0000000000771ef0
[   22.537686][  T733] PKRU: 55555554
[   22.537782][  T733] Call Trace:
[   22.537877][  T733]  <TASK>
[   22.537997][  T733]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.538128][  T733]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.538270][  T733]  netif_close_many (net/core/dev.c:1804)
[   22.538401][  T733]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.538529][  T733]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.538657][  T733]  ? __dev_close_many (net/core/dev.c:1781)
[   22.538785][  T733]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   22.538950][  T733]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   22.539109][  T733]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.539235][  T733]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.539367][  T733]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.539526][  T733]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.539655][  T733]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.539782][  T733]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.539946][  T733]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.540074][  T733]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   22.540201][  T733]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   22.540331][  T733]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   22.540459][  T733]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.540585][  T733]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.540711][  T733]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.540839][  T733]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.540973][  T733]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.541118][  T733]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.541244][  T733]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.541375][  T733]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.541501][  T733]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.541628][  T733]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.541754][  T733]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   22.541890][  T733]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.542018][  T733]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.542145][  T733]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.542272][  T733]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.542406][  T733]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.542532][  T733]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.542659][  T733]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.542785][  T733]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.542917][  T733]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.543045][  T733]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.543171][  T733]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.543299][  T733]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.543433][  T733]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.543562][  T733]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.543693][  T733]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.543820][  T733]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.543954][  T733]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.544083][  T733]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.544210][  T733]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.544344][  T733]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.544471][  T733]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.544599][  T733]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.544730][  T733]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.544858][  T733]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.544990][  T733]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.545149][  T733]  ? move_addr_to_kernel (net/socket.c:258)
[   22.545278][  T733]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.545412][  T733]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.545539][  T733]  ___sys_sendmsg (net/socket.c:2752)
[   22.545666][  T733]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.545824][  T733]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.545968][  T733]  __sys_sendmsg (net/socket.c:2784)
[   22.546096][  T733]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.546223][  T733]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.546388][  T733]  ? 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)
[   22.546516][  T733]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.546645][  T733]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.546774][  T733]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.546907][  T733]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.547034][  T733]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.547191][  T733] RIP: 0033:0x7f2f6dbd308e
[   22.547330][  T733] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.547786][  T733] RSP: 002b:00007ffcb0f24870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.547983][  T733] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2f6dbd308e
[   22.548173][  T733] RDX: 0000000000000000 RSI: 00007ffcb0f24920 RDI: 0000000000000005
[   22.548368][  T733] RBP: 00007ffcb0f24880 R08: 0000000000000000 R09: 0000000000000000
[   22.548557][  T733] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1b
[   22.548749][  T733] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb0f24ff0
| [   22.552607][  T733] ------------[ cut here ]------------
| [   22.552738][  T733] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/733
| [   22.552960][  T733] Modules linked in: ip_gre gre
| [   22.553342][  T733] Tainted: [W]=WARN
[   22.553434][  T733] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.553590][  T733] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.553751][  T733] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.554192][  T733] RSP: 0018:ffa0000001ebf190 EFLAGS: 00010286
[   22.554352][  T733] RAX: 00000000ffffffa6 RBX: ff1100000c30b8c0 RCX: 1ff40000003d7df8
[   22.554536][  T733] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30b97c
[   22.554718][  T733] RBP: ff1100000f284000 R08: 1fe2200001861731 R09: ff1100001037d158
[   22.554904][  T733] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.555089][  T733] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.555274][  T733] FS:  00007f2f6d999840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   22.555495][  T733] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.555650][  T733] CR2: 000000003d6ca988 CR3: 000000000a9f3006 CR4: 0000000000771ef0
[   22.555835][  T733] PKRU: 55555554
[   22.556212][  T733] Call Trace:
[   22.556305][  T733]  <TASK>
[   22.556379][  T733]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.556536][  T733]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.556689][  T733]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.556813][  T733]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.556941][  T733]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.557096][  T733]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.557220][  T733]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48)
[   22.557350][  T733]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   22.557474][  T733]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.557597][  T733]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.557720][  T733]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.557845][  T733]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.557972][  T733]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.558114][  T733]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.558236][  T733]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.558366][  T733]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.558489][  T733]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.558612][  T733]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.558735][  T733]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   22.558861][  T733]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.558991][  T733]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.559113][  T733]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.559239][  T733]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.559368][  T733]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.559492][  T733]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.559614][  T733]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.559736][  T733]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.559859][  T733]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.559989][  T733]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.560111][  T733]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.560236][  T733]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.560365][  T733]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.560488][  T733]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.560614][  T733]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.560736][  T733]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.560862][  T733]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.560995][  T733]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.561120][  T733]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.561244][  T733]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.561373][  T733]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.561497][  T733]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.561622][  T733]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.561747][  T733]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.561871][  T733]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.562029][  T733]  ? move_addr_to_kernel (net/socket.c:258)
[   22.562154][  T733]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.562277][  T733]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.562408][  T733]  ___sys_sendmsg (net/socket.c:2752)
[   22.562530][  T733]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.562683][  T733]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.562819][  T733]  __sys_sendmsg (net/socket.c:2784)
[   22.562947][  T733]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.563071][  T733]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.563225][  T733]  ? 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)
[   22.563355][  T733]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.563478][  T733]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.563602][  T733]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.563725][  T733]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.563847][  T733]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.564004][  T733] RIP: 0033:0x7f2f6dbd308e
[   22.564132][  T733] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.564571][  T733] RSP: 002b:00007ffcb0f24870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.564755][  T733] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2f6dbd308e
[   22.564948][  T733] RDX: 0000000000000000 RSI: 00007ffcb0f24920 RDI: 0000000000000005
[   22.565131][  T733] RBP: 00007ffcb0f24880 R08: 0000000000000000 R09: 0000000000000000
[   22.565317][  T733] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1b
[   22.565498][  T733] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb0f24ff0
| [   22.664168][  T735] ------------[ cut here ]------------
| [   22.664376][  T735] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: modprobe/735
| [   22.664700][  T735] Modules linked in: ip6_gre(+) ip_gre gre
| [   22.665275][  T735] Tainted: [W]=WARN
[   22.665435][  T735] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.665662][  T735] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.665901][  T735] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.666451][  T735] RSP: 0018:ffa0000001caf630 EFLAGS: 00010286
[   22.666671][  T735] RAX: 00000000ffffffa6 RBX: ff1100000e726c80 RCX: 1ff4000000395e8c
[   22.666940][  T735] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e726d3c
[   22.667189][  T735] RBP: ff1100000f694000 R08: 1fe2200001ce4da9 R09: ff1100000f6dae80
[   22.667445][  T735] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.667695][  T735] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f694000
[   22.667960][  T735] FS:  00007f96fe8a9780(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   22.668249][  T735] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.668512][  T735] CR2: 000000000043d250 CR3: 00000000024ff003 CR4: 0000000000771ef0
[   22.668768][  T735] PKRU: 55555554
[   22.668930][  T735] Call Trace:
[   22.669080][  T735]  <TASK>
[   22.669198][  T735]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.669392][  T735]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.669579][  T735]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.669731][  T735]  register_netdevice (net/core/dev.c:11488)
[   22.669930][  T735]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.670150][  T735]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.670342][  T735]  register_netdev (net/core/dev.c:11552)
[   22.670527][  T735] ip6gre_init_net (net/ipv6/ip6_gre.c:1609) ip6_gre
[   22.670712][  T735]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.670910][  T735]  ops_init (net/core/net_namespace.c:137)
[   22.671064][  T735]  register_pernet_operations (net/core/net_namespace.c:1318 net/core/net_namespace.c:1395)
[   22.671247][  T735]  ? ops_undo_list (net/core/net_namespace.c:179 (discriminator 1))
[   22.671443][  T735]  ? down_write (kernel/locking/rwsem.c:1350 (discriminator 1) kernel/locking/rwsem.c:1356 (discriminator 1) kernel/locking/rwsem.c:1626 (discriminator 1))
[   22.671631][  T735]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[   22.671851][  T735]  ? ip6gre_fini (net/ipv6/ip6_gre.c:1102) ip6_gre
[   22.672050][  T735]  register_pernet_device (net/core/net_namespace.c:1482)
[   22.672235][  T735] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre
[   22.672429][  T735]  do_one_initcall (init/main.c:1392)
[   22.672614][  T735]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   22.672833][  T735]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   22.673033][  T735]  do_init_module (kernel/module/main.c:3106)
[   22.673220][  T735]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.673414][  T735]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   22.673598][  T735]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6565)
[   22.673751][  T735]  load_module (kernel/module/main.c:3580)
[   22.673953][  T735]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3005)
[   22.674171][  T735]  ? __ia32_sys_fsconfig (??:?)
[   22.674363][  T735]  ? backing_file_read_iter (fs/backing-file.c:210)
[   22.674551][  T735]  init_module_from_file (kernel/module/main.c:3777)
[   22.674738][  T735]  ? __do_sys_init_module (kernel/module/main.c:3651)
[   22.674936][  T735]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.675122][  T735]  ? ovl_fileattr_get (fs/overlayfs/inode.c:717)
[   22.675311][  T735]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   22.675503][  T735]  ? 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)
[   22.675688][  T735]  idempotent_init_module (kernel/module/main.c:3789)
[   22.675873][  T735]  ? init_module_from_file (kernel/module/main.c:3778)
[   22.676074][  T735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.676258][  T735]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   22.676453][  T735]  __x64_sys_finit_module (kernel/module/main.c:3815 kernel/module/main.c:3799 kernel/module/main.c:3799)
[   22.676637][  T735]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.676855][  T735]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.677052][  T735]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.677236][  T735]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.677431][  T735]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.677650][  T735] RIP: 0033:0x7f96fe9a36bd
[   22.677838][  T735] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 0b b7 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb745
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb71b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.678388][  T735] RSP: 002b:00007fff7f7b5438 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   22.678646][  T735] RAX: ffffffffffffffda RBX: 000055764ed75810 RCX: 00007f96fe9a36bd
[   22.679007][  T735] RDX: 0000000000000000 RSI: 0000557636c8effd RDI: 0000000000000000
[   22.679256][  T735] RBP: 00007fff7f7b54d0 R08: 0000000000000000 R09: 0000000000000000
[   22.679607][  T735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557636c8effd
[   22.679860][  T735] R13: 000055764ed759a0 R14: 0000000000040000 R15: 0000000000000000
| [   22.685837][  T735] ------------[ cut here ]------------
| [   22.686029][  T735] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: modprobe/735
| [   22.686357][  T735] Modules linked in: ip6_gre(+) ip_gre gre
| [   22.686913][  T735] Tainted: [W]=WARN
[   22.687061][  T735] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.687281][  T735] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.687512][  T735] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.688730][  T735] RSP: 0018:ffa0000001caf630 EFLAGS: 00010286
[   22.689022][  T735] RAX: 00000000ffffffa6 RBX: ff1100000d368c80 RCX: 1ff4000000395e8c
[   22.689341][  T735] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d368d3c
[   22.689647][  T735] RBP: ff110000058e4000 R08: 1fe2200001a6d1a9 R09: ff1100000f6dae80
[   22.689964][  T735] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.690283][  T735] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058e4000
[   22.690600][  T735] FS:  00007f96fe8a9780(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   22.690958][  T735] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.691237][  T735] CR2: 000000000043d250 CR3: 00000000024ff003 CR4: 0000000000771ef0
[   22.691559][  T735] PKRU: 55555554
[   22.691765][  T735] Call Trace:
[   22.691986][  T735]  <TASK>
[   22.692164][  T735]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.692414][  T735]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.692661][  T735]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.692870][  T735]  register_netdevice (net/core/dev.c:11488)
[   22.693126][  T735]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.693410][  T735]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.693656][  T735]  register_netdev (net/core/dev.c:11552)
[   22.693917][  T735] ip6gre_init_net (net/ipv6/ip6_gre.c:1609) ip6_gre
[   22.694162][  T735]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.694412][  T735]  ops_init (net/core/net_namespace.c:137)
[   22.694625][  T735]  register_pernet_operations (net/core/net_namespace.c:1318 net/core/net_namespace.c:1395)
[   22.694869][  T735]  ? ops_undo_list (net/core/net_namespace.c:179 (discriminator 1))
[   22.695123][  T735]  ? down_write (kernel/locking/rwsem.c:1350 (discriminator 1) kernel/locking/rwsem.c:1356 (discriminator 1) kernel/locking/rwsem.c:1626 (discriminator 1))
[   22.695373][  T735]  ? rwsem_down_write_slowpath (./include/linux/list.h:159)
[   22.695661][  T735]  ? ip6gre_fini (net/ipv6/ip6_gre.c:1102) ip6_gre
[   22.695920][  T735]  register_pernet_device (net/core/net_namespace.c:1482)
[   22.696162][  T735] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre
[   22.696411][  T735]  do_one_initcall (init/main.c:1392)
[   22.696665][  T735]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   22.696914][  T735]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   22.697099][  T735]  do_init_module (kernel/module/main.c:3106)
[   22.697288][  T735]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.697482][  T735]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   22.697669][  T735]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6565)
[   22.697823][  T735]  load_module (kernel/module/main.c:3580)
[   22.698027][  T735]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3005)
[   22.698245][  T735]  ? __ia32_sys_fsconfig (??:?)
[   22.698444][  T735]  ? backing_file_read_iter (fs/backing-file.c:210)
[   22.698637][  T735]  init_module_from_file (kernel/module/main.c:3777)
[   22.698822][  T735]  ? __do_sys_init_module (kernel/module/main.c:3651)
[   22.699020][  T735]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.699204][  T735]  ? ovl_fileattr_get (fs/overlayfs/inode.c:717)
[   22.699399][  T735]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   22.699584][  T735]  ? 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)
[   22.699768][  T735]  idempotent_init_module (kernel/module/main.c:3789)
[   22.699970][  T735]  ? init_module_from_file (kernel/module/main.c:3778)
[   22.700158][  T735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.700348][  T735]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   22.700538][  T735]  __x64_sys_finit_module (kernel/module/main.c:3815 kernel/module/main.c:3799 kernel/module/main.c:3799)
[   22.700721][  T735]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.700953][  T735]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.701139][  T735]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.701332][  T735]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.701519][  T735]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.701737][  T735] RIP: 0033:0x7f96fe9a36bd
[   22.701937][  T735] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 0b b7 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb745
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 0b b7 0f 00 	mov    0xfb70b(%rip),%rcx        # 0xfb71b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.702480][  T735] RSP: 002b:00007fff7f7b5438 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   22.702734][  T735] RAX: ffffffffffffffda RBX: 000055764ed75810 RCX: 00007f96fe9a36bd
[   22.702998][  T735] RDX: 0000000000000000 RSI: 0000557636c8effd RDI: 0000000000000000
[   22.703249][  T735] RBP: 00007fff7f7b54d0 R08: 0000000000000000 R09: 0000000000000000
[   22.703511][  T735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557636c8effd
[   22.703765][  T735] R13: 000055764ed759a0 R14: 0000000000040000 R15: 0000000000000000
| [   22.715766][  T734] ------------[ cut here ]------------
| [   22.716542][  T734] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/734
| [   22.716874][  T734] Modules linked in: ip6_gre ip_gre gre
| [   22.717553][  T734] Tainted: [W]=WARN
[   22.717754][  T734] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.718036][  T734] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.718323][  T734] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.718918][  T734] RSP: 0018:ffa0000001ecf1b0 EFLAGS: 00010286
[   22.719186][  T734] RAX: 00000000ffffffa6 RBX: ff1100000e727c40 RCX: 1ff40000003d9dfc
[   22.719493][  T734] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e727cfc
[   22.719799][  T734] RBP: ff110000098e4000 R08: 1fe2200001ce4fa1 R09: ff1100000f6d8b80
[   22.720117][  T734] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.720420][  T734] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300e60
[   22.720724][  T734] FS:  00007f7581224840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   22.721070][  T734] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.721345][  T734] CR2: 000000000043d250 CR3: 000000000f4ff002 CR4: 0000000000771ef0
[   22.721646][  T734] PKRU: 55555554
[   22.721846][  T734] Call Trace:
[   22.722058][  T734]  <TASK>
[   22.722227][  T734]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.722474][  T734]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.722678][  T734]  __dev_notify_flags (net/core/dev.c:9787)
[   22.722929][  T734]  ? netif_change_name (net/core/dev.c:1495)
[   22.723166][  T734]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.723406][  T734]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.723646][  T734]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.723944][  T734]  ? nla_strscpy (lib/nlattr.c:795)
[   22.724179][  T734]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   22.724388][  T734]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.724657][  T734]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.724837][  T734]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.725124][  T734]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.725311][  T734]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.725505][  T734]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.725769][  T734]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.725964][  T734]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.726143][  T734]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.726328][  T734]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.726514][  T734]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.726783][  T734]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.726976][  T734]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.727244][  T734]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.727428][  T734]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.727605][  T734]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.727789][  T734]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.727980][  T734]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.728162][  T734]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.728434][  T734]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.728614][  T734]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.728896][  T734]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.729076][  T734]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.729260][  T734]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.729453][  T734]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.729638][  T734]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.729922][  T734]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.730110][  T734]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.730292][  T734]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.730570][  T734]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.730753][  T734]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.730947][  T734]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.731159][  T734]  ? move_addr_to_kernel (net/socket.c:258)
[   22.731354][  T734]  ___sys_sendmsg (net/socket.c:2752)
[   22.731536][  T734]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.731719][  T734]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.732010][  T734]  ? 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))
[   22.732191][  T734]  __sys_sendmsg (net/socket.c:2784)
[   22.732467][  T734]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.732654][  T734]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.732935][  T734]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.733119][  T734]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.733297][  T734]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.733483][  T734]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.733665][  T734]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.733876][  T734] RIP: 0033:0x7f758145e08e
[   22.734169][  T734] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.734898][  T734] RSP: 002b:00007ffee8ff7a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.735331][  T734] RAX: ffffffffffffffda RBX: 00007ffee8ff81d0 RCX: 00007f758145e08e
[   22.735586][  T734] RDX: 0000000000000000 RSI: 00007ffee8ff7ad0 RDI: 0000000000000005
[   22.735837][  T734] RBP: 00007ffee8ff7a30 R08: 0000000000000000 R09: 0000000000000000
[   22.736369][  T734] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1b
[   22.736896][  T734] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee8ff8190
| [   22.825648][  T741] ------------[ cut here ]------------
| [   22.825846][  T741] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/741
| [   22.826603][  T741] Modules linked in: ip6_gre ip_gre gre
| [   22.827115][  T741] Tainted: [W]=WARN
[   22.827260][  T741] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.827479][  T741] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.827707][  T741] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.828222][  T741] RSP: 0018:ffa00000004f7020 EFLAGS: 00010286
[   22.828440][  T741] RAX: 00000000ffffffa6 RBX: ff11000002568580 RCX: 1ff400000009edca
[   22.828679][  T741] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000256863c
[   22.828931][  T741] RBP: ff110000098e4000 R08: 1fe22000004ad0c9 R09: ff1100000f122e58
[   22.829172][  T741] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   22.829419][  T741] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.829661][  T741] FS:  00007f6766900840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   22.829948][  T741] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.830158][  T741] CR2: 00007f6766bd01a0 CR3: 000000000fef3003 CR4: 0000000000771ef0
[   22.830407][  T741] PKRU: 55555554
[   22.830549][  T741] Call Trace:
[   22.830694][  T741]  <TASK>
[   22.830808][  T741]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.831000][  T741]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.831146][  T741]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.831329][  T741]  __dev_notify_flags (net/core/dev.c:9787)
[   22.831510][  T741]  ? netif_change_name (net/core/dev.c:1495)
[   22.831685][  T741]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.831860][  T741]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.832047][  T741]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.832224][  T741]  ? 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))
[   22.832412][  T741]  netif_change_flags (net/core/dev.c:9820)
[   22.832591][  T741]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.832767][  T741]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.832959][  T741]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.833136][  T741]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.833351][  T741]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.833528][  T741]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.833702][  T741]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.833877][  T741]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.834067][  T741]  ? __kernel_text_address (kernel/extable.c:79)
[   22.834245][  T741]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.834427][  T741]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.834603][  T741]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.834778][  T741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.834967][  T741]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.835143][  T741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.835324][  T741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.835501][  T741]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.835677][  T741]  ? __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)
[   22.835852][  T741]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.836038][  T741]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.836216][  T741]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.836404][  T741]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.836582][  T741]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.836759][  T741]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.836945][  T741]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.837123][  T741]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.837300][  T741]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.837483][  T741]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.837661][  T741]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.837834][  T741]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.838021][  T741]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.838198][  T741]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.838387][  T741]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.838563][  T741]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.838738][  T741]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.838926][  T741]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.839101][  T741]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.839277][  T741]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.839463][  T741]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.839640][  T741]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.839814][  T741]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.839998][  T741]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.840176][  T741]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.840357][  T741]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.840534][  T741]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.840710][  T741]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.840900][  T741]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.841077][  T741]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.841253][  T741]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.841438][  T741]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.841619][  T741]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.841796][  T741]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.841983][  T741]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.842190][  T741]  ? move_addr_to_kernel (net/socket.c:258)
[   22.842373][  T741]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.842548][  T741]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.842724][  T741]  ___sys_sendmsg (net/socket.c:2752)
[   22.842910][  T741]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.843116][  T741]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.843304][  T741]  __sys_sendmsg (net/socket.c:2784)
[   22.843491][  T741]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.843664][  T741]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.843874][  T741]  ? 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)
[   22.844061][  T741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.844239][  T741]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.844421][  T741]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.844598][  T741]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.844774][  T741]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.844995][  T741] RIP: 0033:0x7f6766b3a08e
[   22.845177][  T741] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.845684][  T741] RSP: 002b:00007ffeeaffde70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.845935][  T741] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6766b3a08e
[   22.846172][  T741] RDX: 0000000000000000 RSI: 00007ffeeaffdf20 RDI: 0000000000000005
[   22.846416][  T741] RBP: 00007ffeeaffde80 R08: 0000000000000000 R09: 0000000000000000
[   22.846653][  T741] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1c
[   22.846902][  T741] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeeaffe5f0
| [   22.956422][  T749] ------------[ cut here ]------------
| [   22.956577][  T749] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/749
| [   22.956807][  T749] Modules linked in: ip6_gre ip_gre gre
| [   22.957216][  T749] Tainted: [W]=WARN
[   22.957318][  T749] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.957480][  T749] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.957647][  T749] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.958116][  T749] RSP: 0018:ffa00000005e7020 EFLAGS: 00010286
[   22.958280][  T749] RAX: 00000000ffffffa6 RBX: ff110000097c23c0 RCX: 1ff40000000bcdca
[   22.958480][  T749] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c247c
[   22.958674][  T749] RBP: ff110000098e4000 R08: 1fe22000012f8491 R09: ff11000009c22e58
[   22.958868][  T749] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   22.959067][  T749] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.959265][  T749] FS:  00007f7a542e0840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   22.959501][  T749] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.959663][  T749] CR2: 00007f7a545b01a0 CR3: 000000001048f005 CR4: 0000000000771ef0
[   22.959857][  T749] PKRU: 55555554
[   22.959960][  T749] Call Trace:
[   22.960058][  T749]  <TASK>
[   22.960126][  T749]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.960260][  T749]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.960361][  T749]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.960490][  T749]  __dev_notify_flags (net/core/dev.c:9787)
[   22.960622][  T749]  ? netif_change_name (net/core/dev.c:1495)
[   22.960753][  T749]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   22.960889][  T749]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.961021][  T749]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.961152][  T749]  ? 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))
[   22.961285][  T749]  netif_change_flags (net/core/dev.c:9820)
[   22.961420][  T749]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.961552][  T749]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.961686][  T749]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.961817][  T749]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.961984][  T749]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.962116][  T749]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.962244][  T749]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.962378][  T749]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.962508][  T749]  ? __kernel_text_address (kernel/extable.c:79)
[   22.962639][  T749]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.962771][  T749]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.962903][  T749]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.963032][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.963161][  T749]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.963290][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.963422][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.963550][  T749]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.963682][  T749]  ? __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)
[   22.963811][  T749]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.963949][  T749]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.964080][  T749]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.964213][  T749]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.964350][  T749]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.964482][  T749]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.964610][  T749]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.964740][  T749]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.964869][  T749]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.965003][  T749]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.965137][  T749]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.965269][  T749]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.965403][  T749]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.965533][  T749]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.965663][  T749]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.965792][  T749]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.965926][  T749]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.966058][  T749]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.966186][  T749]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.966323][  T749]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.966452][  T749]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.966581][  T749]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.966712][  T749]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.966842][  T749]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.966982][  T749]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.967111][  T749]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.967242][  T749]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.967376][  T749]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.967507][  T749]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.967638][  T749]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.967769][  T749]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.967904][  T749]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.968037][  T749]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.968167][  T749]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.968296][  T749]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.968463][  T749]  ? move_addr_to_kernel (net/socket.c:258)
[   22.968594][  T749]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.968725][  T749]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.968855][  T749]  ___sys_sendmsg (net/socket.c:2752)
[   22.968989][  T749]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.969149][  T749]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.969291][  T749]  __sys_sendmsg (net/socket.c:2784)
[   22.969422][  T749]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.969550][  T749]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.969713][  T749]  ? 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)
[   22.969842][  T749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.969979][  T749]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.970109][  T749]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.970241][  T749]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.970374][  T749]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.970535][  T749] RIP: 0033:0x7f7a5451a08e
[   22.970670][  T749] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.971138][  T749] RSP: 002b:00007fff5ff528d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.971335][  T749] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7a5451a08e
[   22.971528][  T749] RDX: 0000000000000000 RSI: 00007fff5ff52980 RDI: 0000000000000005
[   22.971720][  T749] RBP: 00007fff5ff528e0 R08: 0000000000000000 R09: 0000000000000000
[   22.971920][  T749] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1c
[   22.972112][  T749] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5ff53050
| [   23.030664][  T751] ------------[ cut here ]------------
| [   23.030845][  T751] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/751
| [   23.031129][  T751] Modules linked in: ip6_gre ip_gre gre
| [   23.031621][  T751] Tainted: [W]=WARN
[   23.031763][  T751] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.031979][  T751] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.032194][  T751] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.032708][  T751] RSP: 0018:ffa00000005f7020 EFLAGS: 00010286
[   23.032926][  T751] RAX: 00000000ffffffa6 RBX: ff1100000576cc80 RCX: 1ff40000000bedca
[   23.033165][  T751] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576cd3c
[   23.033408][  T751] RBP: ff110000098e4000 R08: 1fe2200000aed9a9 R09: ff11000009670b58
[   23.033643][  T751] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   23.033878][  T751] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.034307][  T751] FS:  00007f7b0c4ec840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   23.034659][  T751] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.034982][  T751] CR2: 00000000059d0988 CR3: 00000000104f7002 CR4: 0000000000771ef0
[   23.035293][  T751] PKRU: 55555554
[   23.035503][  T751] Call Trace:
[   23.035664][  T751]  <TASK>
[   23.035774][  T751]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.035965][  T751]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.036108][  T751]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.036279][  T751]  __dev_notify_flags (net/core/dev.c:9787)
[   23.036459][  T751]  ? netif_change_name (net/core/dev.c:1495)
[   23.036632][  T751]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.036806][  T751]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.036992][  T751]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.037168][  T751]  ? 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))
[   23.037350][  T751]  netif_change_flags (net/core/dev.c:9820)
[   23.037525][  T751]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.037699][  T751]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.037875][  T751]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.038060][  T751]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.038264][  T751]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.038448][  T751]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.038621][  T751]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.038793][  T751]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.038979][  T751]  ? __kernel_text_address (kernel/extable.c:79)
[   23.039154][  T751]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.039337][  T751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.039514][  T751]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.039688][  T751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.039860][  T751]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.040046][  T751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.040219][  T751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.040402][  T751]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.040577][  T751]  ? __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)
[   23.040751][  T751]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.040939][  T751]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.041114][  T751]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.041291][  T751]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.041475][  T751]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.041651][  T751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.041822][  T751]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.042009][  T751]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.042182][  T751]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.042360][  T751]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.042537][  T751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.042709][  T751]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.042896][  T751]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.043068][  T751]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.043242][  T751]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.043424][  T751]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.043599][  T751]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.043773][  T751]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.043959][  T751]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.044134][  T751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.044307][  T751]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.044489][  T751]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.044662][  T751]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.044836][  T751]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.045027][  T751]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.045201][  T751]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.045384][  T751]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.045559][  T751]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.045732][  T751]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.045919][  T751]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.046096][  T751]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.046270][  T751]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.046456][  T751]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.046632][  T751]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.046807][  T751]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.047023][  T751]  ? move_addr_to_kernel (net/socket.c:258)
[   23.047199][  T751]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.047381][  T751]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.047557][  T751]  ___sys_sendmsg (net/socket.c:2752)
[   23.047733][  T751]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.047953][  T751]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.048139][  T751]  __sys_sendmsg (net/socket.c:2784)
[   23.048321][  T751]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.048494][  T751]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.048701][  T751]  ? 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)
[   23.048874][  T751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.049065][  T751]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.049240][  T751]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.049419][  T751]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.049594][  T751]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.049798][  T751] RIP: 0033:0x7f7b0c72608e
[   23.049989][  T751] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.050487][  T751] RSP: 002b:00007ffdcce1d320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.050724][  T751] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7b0c72608e
[   23.050975][  T751] RDX: 0000000000000000 RSI: 00007ffdcce1d3d0 RDI: 0000000000000005
[   23.051209][  T751] RBP: 00007ffdcce1d330 R08: 0000000000000000 R09: 0000000000000000
[   23.051452][  T751] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1c
[   23.051686][  T751] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcce1daa0
| [   23.201017][  T760] ------------[ cut here ]------------
| [   23.201201][  T760] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/760
| [   23.201476][  T760] Modules linked in: ip6_gre ip_gre gre
| [   23.201966][  T760] Tainted: [W]=WARN
[   23.202107][  T760] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.202311][  T760] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.202529][  T760] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.203732][  T760] RSP: 0018:ffa0000001e1f060 EFLAGS: 00010286
[   23.203999][  T760] RAX: 00000000ffffffa6 RBX: ff110000052eac80 RCX: 1ff40000003c3dd2
[   23.204238][  T760] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052ead3c
[   23.204478][  T760] RBP: ff110000098e4000 R08: 1fe2200000a5d5a9 R09: ff1100000980d158
[   23.204710][  T760] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   23.204954][  T760] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001e1f0f8
[   23.205197][  T760] FS:  00007efeb4cf4840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   23.205472][  T760] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.205674][  T760] CR2: 000000002bb62988 CR3: 000000001044a005 CR4: 0000000000771ef0
[   23.205921][  T760] PKRU: 55555554
[   23.206061][  T760] Call Trace:
[   23.206200][  T760]  <TASK>
[   23.206313][  T760]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.206494][  T760]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.206636][  T760]  netif_close_many (net/core/dev.c:1804)
[   23.206808][  T760]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.206991][  T760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.207167][  T760]  ? __dev_close_many (net/core/dev.c:1781)
[   23.207345][  T760]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   23.207549][  T760]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   23.207752][  T760]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.207933][  T760]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.208104][  T760]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.208306][  T760]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.208486][  T760]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.208656][  T760]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.208859][  T760]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   23.209045][  T760]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   23.209220][  T760]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.209403][  T760]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.209575][  T760]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.209746][  T760]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.209931][  T760]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.210103][  T760]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.210292][  T760]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.210472][  T760]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.210644][  T760]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.210814][  T760]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.210996][  T760]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.211168][  T760]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   23.211346][  T760]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.211518][  T760]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.211691][  T760]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.211862][  T760]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.212047][  T760]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.212219][  T760]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.212394][  T760]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.212564][  T760]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.212736][  T760]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.212923][  T760]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.213092][  T760]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.213267][  T760]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.213446][  T760]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.213620][  T760]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.213796][  T760]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.213981][  T760]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.214163][  T760]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.214364][  T760]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.214541][  T760]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.214714][  T760]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.214901][  T760]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.215072][  T760]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.215246][  T760]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.215428][  T760]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.215600][  T760]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.215800][  T760]  ? move_addr_to_kernel (net/socket.c:258)
[   23.215988][  T760]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.216162][  T760]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.216342][  T760]  ___sys_sendmsg (net/socket.c:2752)
[   23.216513][  T760]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.216718][  T760]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.216914][  T760]  __sys_sendmsg (net/socket.c:2784)
[   23.217088][  T760]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.217259][  T760]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.217473][  T760]  ? 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)
[   23.217644][  T760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.217818][  T760]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.218006][  T760]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.218178][  T760]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.218358][  T760]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.218558][  T760] RIP: 0033:0x7efeb4f2e08e
[   23.218736][  T760] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.219242][  T760] RSP: 002b:00007ffd15ed9ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.219483][  T760] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efeb4f2e08e
[   23.219715][  T760] RDX: 0000000000000000 RSI: 00007ffd15ed9f50 RDI: 0000000000000005
[   23.219962][  T760] RBP: 00007ffd15ed9eb0 R08: 0000000000000000 R09: 0000000000000000
[   23.220198][  T760] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1c
[   23.220438][  T760] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd15eda620
| [   23.223329][  T760] ------------[ cut here ]------------
| [   23.223466][  T760] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/760
| [   23.223676][  T760] Modules linked in: ip6_gre ip_gre gre
| [   23.224062][  T760] Tainted: [W]=WARN
[   23.224156][  T760] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.224309][  T760] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.224472][  T760] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.224912][  T760] RSP: 0018:ffa0000001e1f190 EFLAGS: 00010286
[   23.225064][  T760] RAX: 00000000ffffffa6 RBX: ff110000051f7380 RCX: 1ff40000003c3df8
[   23.225245][  T760] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f743c
[   23.225429][  T760] RBP: ff110000098e4000 R08: 1fe2200000a3ee89 R09: ff1100000980d158
[   23.225608][  T760] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   23.225790][  T760] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.225978][  T760] FS:  00007efeb4cf4840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   23.226190][  T760] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.226346][  T760] CR2: 00007f592c446574 CR3: 000000001044a002 CR4: 0000000000771ef0
[   23.226529][  T760] PKRU: 55555554
[   23.226620][  T760] Call Trace:
[   23.226711][  T760]  <TASK>
[   23.226773][  T760]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.226931][  T760]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.227081][  T760]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.227203][  T760]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.227328][  T760]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.227482][  T760]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   23.227606][  T760]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.227727][  T760]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.227849][  T760]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.227976][  T760]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.228097][  T760]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.228217][  T760]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.228360][  T760]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.228483][  T760]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.228603][  T760]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.228722][  T760]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.228843][  T760]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.228970][  T760]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   23.229094][  T760]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.229215][  T760]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.229342][  T760]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.229464][  T760]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.229587][  T760]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.229709][  T760]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.229830][  T760]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.229957][  T760]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.230077][  T760]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.230200][  T760]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.230326][  T760]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.230448][  T760]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.230570][  T760]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.230692][  T760]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.230816][  T760]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.230942][  T760]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.231066][  T760]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.231190][  T760]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.231310][  T760]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.231437][  T760]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.231558][  T760]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.231679][  T760]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.231803][  T760]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.231928][  T760]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.232050][  T760]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.232202][  T760]  ? move_addr_to_kernel (net/socket.c:258)
[   23.232328][  T760]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.232455][  T760]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.232578][  T760]  ___sys_sendmsg (net/socket.c:2752)
[   23.232698][  T760]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.232849][  T760]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.232989][  T760]  __sys_sendmsg (net/socket.c:2784)
[   23.233110][  T760]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.233231][  T760]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.233389][  T760]  ? 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)
[   23.233511][  T760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.233634][  T760]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.233756][  T760]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.233877][  T760]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.234014][  T760]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.234164][  T760] RIP: 0033:0x7efeb4f2e08e
[   23.234291][  T760] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.234726][  T760] RSP: 002b:00007ffd15ed9ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.234915][  T760] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efeb4f2e08e
[   23.235096][  T760] RDX: 0000000000000000 RSI: 00007ffd15ed9f50 RDI: 0000000000000005
[   23.235276][  T760] RBP: 00007ffd15ed9eb0 R08: 0000000000000000 R09: 0000000000000000
[   23.235462][  T760] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1c
[   23.235644][  T760] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd15eda620
| [   23.276218][  T761] ------------[ cut here ]------------
| [   23.276412][  T761] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/761
| [   23.276687][  T761] Modules linked in: ip6_gre ip_gre gre
| [   23.277832][  T761] Tainted: [W]=WARN
[   23.278078][  T761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.278363][  T761] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.278668][  T761] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.279187][  T761] RSP: 0018:ffa0000001ebf1b0 EFLAGS: 00010286
[   23.279415][  T761] RAX: 00000000ffffffa6 RBX: ff1100000c108580 RCX: 1ff40000003d7dfc
[   23.279657][  T761] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c10863c
[   23.279912][  T761] RBP: ff1100000e7a4000 R08: 1fe22000018210c9 R09: ff1100000980ae80
[   23.280155][  T761] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.280404][  T761] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300e60
[   23.280648][  T761] FS:  00007f4ab78f1840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   23.280934][  T761] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.281148][  T761] CR2: 00007f4ab7bcbcb0 CR3: 00000000105c8001 CR4: 0000000000771ef0
[   23.281395][  T761] PKRU: 55555554
[   23.281539][  T761] Call Trace:
[   23.281682][  T761]  <TASK>
[   23.281796][  T761]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.281988][  T761]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.282134][  T761]  __dev_notify_flags (net/core/dev.c:9787)
[   23.282314][  T761]  ? netif_change_name (net/core/dev.c:1495)
[   23.282504][  T761]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.282686][  T761]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   23.282865][  T761]  ? nla_strscpy (lib/nlattr.c:795)
[   23.283058][  T761]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   23.283238][  T761]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   23.283424][  T761]  ? __dev_get_by_name (net/core/dev.c:883)
[   23.283601][  T761]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   23.283788][  T761]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   23.283984][  T761]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.284164][  T761]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.284345][  T761]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.284523][  T761]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.284700][  T761]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.284878][  T761]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.285075][  T761]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.285256][  T761]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.285441][  T761]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.285620][  T761]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.285797][  T761]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.285986][  T761]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.286166][  T761]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.286348][  T761]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.286532][  T761]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.286709][  T761]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.286900][  T761]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.287176][  T761]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.287361][  T761]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.287542][  T761]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.287722][  T761]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.287911][  T761]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.288095][  T761]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.288277][  T761]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.288464][  T761]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.288645][  T761]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.288825][  T761]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.289016][  T761]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.289225][  T761]  ? move_addr_to_kernel (net/socket.c:258)
[   23.289419][  T761]  ___sys_sendmsg (net/socket.c:2752)
[   23.289598][  T761]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.289778][  T761]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.289978][  T761]  ? 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))
[   23.290160][  T761]  __sys_sendmsg (net/socket.c:2784)
[   23.290346][  T761]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.290528][  T761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.290709][  T761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.290901][  T761]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.291080][  T761]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.291258][  T761]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.291454][  T761]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.291664][  T761] RIP: 0033:0x7f4ab7b2b08e
[   23.291847][  T761] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.292374][  T761] RSP: 002b:00007ffd45587640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.292620][  T761] RAX: ffffffffffffffda RBX: 00007ffd45587df0 RCX: 00007f4ab7b2b08e
[   23.292861][  T761] RDX: 0000000000000000 RSI: 00007ffd455876f0 RDI: 0000000000000005
[   23.293117][  T761] RBP: 00007ffd45587650 R08: 0000000000000000 R09: 0000000000000000
[   23.293363][  T761] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1c
[   23.293604][  T761] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd45587db0
| [   23.356483][  T763] ------------[ cut here ]------------
| [   23.356671][  T763] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/763
| [   23.357570][  T763] Modules linked in: ip6_gre ip_gre gre
| [   23.358077][  T763] Tainted: [W]=WARN
[   23.358223][  T763] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.358448][  T763] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.358668][  T763] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.359195][  T763] RSP: 0018:ffa0000000617020 EFLAGS: 00010286
[   23.359421][  T763] RAX: 00000000ffffffa6 RBX: ff1100000be38900 RCX: 1ff40000000c2dca
[   23.359665][  T763] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be389bc
[   23.359915][  T763] RBP: ff1100000e7a4000 R08: 1fe22000017c7139 R09: ff11000010695158
[   23.360152][  T763] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   23.360397][  T763] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.360640][  T763] FS:  00007f19adeea840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   23.360927][  T763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.361137][  T763] CR2: 000000001e495988 CR3: 000000000aab8004 CR4: 0000000000771ef0
[   23.361385][  T763] PKRU: 55555554
[   23.361531][  T763] Call Trace:
[   23.361674][  T763]  <TASK>
[   23.361787][  T763]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.361978][  T763]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.362124][  T763]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.362298][  T763]  __dev_notify_flags (net/core/dev.c:9787)
[   23.362485][  T763]  ? netif_change_name (net/core/dev.c:1495)
[   23.362662][  T763]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.362842][  T763]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.363030][  T763]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.363207][  T763]  ? 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))
[   23.363394][  T763]  netif_change_flags (net/core/dev.c:9820)
[   23.363574][  T763]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.363753][  T763]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.363946][  T763]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.364125][  T763]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.364339][  T763]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.364517][  T763]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.364696][  T763]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.364873][  T763]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.365062][  T763]  ? __kernel_text_address (kernel/extable.c:79)
[   23.365243][  T763]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.365432][  T763]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.365608][  T763]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.365785][  T763]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.365970][  T763]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.366146][  T763]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.366329][  T763]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.366508][  T763]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.366689][  T763]  ? __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)
[   23.366867][  T763]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.367059][  T763]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.367239][  T763]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.367428][  T763]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.367608][  T763]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.367787][  T763]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.367978][  T763]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.368162][  T763]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.368343][  T763]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.368520][  T763]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.368698][  T763]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.368873][  T763]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.369062][  T763]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.369239][  T763]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.369427][  T763]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.369604][  T763]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.369781][  T763]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.369968][  T763]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.370144][  T763]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.370329][  T763]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.370505][  T763]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.370683][  T763]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.370862][  T763]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.371052][  T763]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.371231][  T763]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.371415][  T763]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.371594][  T763]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.371772][  T763]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.371961][  T763]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.372139][  T763]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.372330][  T763]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.372510][  T763]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.372687][  T763]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.372863][  T763]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.373052][  T763]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.373256][  T763]  ? move_addr_to_kernel (net/socket.c:258)
[   23.373443][  T763]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.373623][  T763]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.373800][  T763]  ___sys_sendmsg (net/socket.c:2752)
[   23.373988][  T763]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.374198][  T763]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.374392][  T763]  __sys_sendmsg (net/socket.c:2784)
[   23.374570][  T763]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.374743][  T763]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.374969][  T763]  ? 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)
[   23.375146][  T763]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.375330][  T763]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.375506][  T763]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.375681][  T763]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.375857][  T763]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.376077][  T763] RIP: 0033:0x7f19ae12408e
[   23.376259][  T763] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.376771][  T763] RSP: 002b:00007ffe94d3cfb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.377023][  T763] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f19ae12408e
[   23.377265][  T763] RDX: 0000000000000000 RSI: 00007ffe94d3d060 RDI: 0000000000000005
[   23.377511][  T763] RBP: 00007ffe94d3cfc0 R08: 0000000000000000 R09: 0000000000000000
[   23.377750][  T763] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1c
[   23.377999][  T763] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe94d3d730
| [   23.486067][  T771] ------------[ cut here ]------------
| [   23.486221][  T771] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/771
| [   23.486451][  T771] Modules linked in: ip6_gre ip_gre gre
| [   23.486846][  T771] Tainted: [W]=WARN
[   23.486952][  T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.487118][  T771] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.487284][  T771] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.487748][  T771] RSP: 0018:ffa00000006f7020 EFLAGS: 00010286
[   23.487915][  T771] RAX: 00000000ffffffa6 RBX: ff1100000282a740 RCX: 1ff40000000dedca
[   23.488108][  T771] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282a7fc
[   23.488300][  T771] RBP: ff1100000e7a4000 R08: 1fe2200000505501 R09: ff110000105c0b58
[   23.488498][  T771] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   23.488694][  T771] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.488895][  T771] FS:  00007fd54ec3b840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   23.489120][  T771] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.489283][  T771] CR2: 000000001180d988 CR3: 000000000be1f001 CR4: 0000000000771ef0
[   23.489483][  T771] PKRU: 55555554
[   23.489579][  T771] Call Trace:
[   23.489677][  T771]  <TASK>
[   23.489744][  T771]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.489875][  T771]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.489978][  T771]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.490107][  T771]  __dev_notify_flags (net/core/dev.c:9787)
[   23.490236][  T771]  ? netif_change_name (net/core/dev.c:1495)
[   23.490370][  T771]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   23.490499][  T771]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.490626][  T771]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.490755][  T771]  ? 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))
[   23.490890][  T771]  netif_change_flags (net/core/dev.c:9820)
[   23.491021][  T771]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.491150][  T771]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.491282][  T771]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.491418][  T771]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.491578][  T771]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.491705][  T771]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.491833][  T771]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.491965][  T771]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.492094][  T771]  ? __kernel_text_address (kernel/extable.c:79)
[   23.492225][  T771]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.492361][  T771]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.492488][  T771]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.492617][  T771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.492744][  T771]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.492871][  T771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.493004][  T771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.493132][  T771]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.493262][  T771]  ? __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)
[   23.493396][  T771]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.493524][  T771]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.493653][  T771]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.493784][  T771]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.494002][  T771]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.494197][  T771]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.494329][  T771]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.494459][  T771]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.494587][  T771]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.494714][  T771]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.494844][  T771]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.495027][  T771]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.495155][  T771]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.495283][  T771]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.495417][  T771]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.495546][  T771]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.495674][  T771]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.495802][  T771]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.496002][  T771]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.496132][  T771]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.496259][  T771]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.496392][  T771]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.496520][  T771]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.496650][  T771]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.496781][  T771]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.496993][  T771]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.497124][  T771]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.497254][  T771]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.497385][  T771]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.497514][  T771]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.497646][  T771]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.497775][  T771]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.497980][  T771]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.498109][  T771]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.498237][  T771]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.498402][  T771]  ? move_addr_to_kernel (net/socket.c:258)
[   23.498531][  T771]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.498660][  T771]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.498788][  T771]  ___sys_sendmsg (net/socket.c:2752)
[   23.498930][  T771]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.499089][  T771]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.499230][  T771]  __sys_sendmsg (net/socket.c:2784)
[   23.499364][  T771]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.499492][  T771]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.499655][  T771]  ? 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)
[   23.499784][  T771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.499918][  T771]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.500046][  T771]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.500175][  T771]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.500303][  T771]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.500467][  T771] RIP: 0033:0x7fd54ee7508e
[   23.500602][  T771] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.501068][  T771] RSP: 002b:00007ffe243d5330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.501262][  T771] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd54ee7508e
[   23.501461][  T771] RDX: 0000000000000000 RSI: 00007ffe243d53e0 RDI: 0000000000000005
[   23.501653][  T771] RBP: 00007ffe243d5340 R08: 0000000000000000 R09: 0000000000000000
[   23.501843][  T771] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1c
[   23.502040][  T771] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe243d5ab0
| [   23.564523][  T773] ------------[ cut here ]------------
| [   23.564674][  T773] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/773
| [   23.564983][  T773] Modules linked in: ip6_gre ip_gre gre
| [   23.565382][  T773] Tainted: [W]=WARN
[   23.565480][  T773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.565641][  T773] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.565806][  T773] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.566357][  T773] RSP: 0018:ffa0000000717020 EFLAGS: 00010286
[   23.566521][  T773] RAX: 00000000ffffffa6 RBX: ff1100000ab58200 RCX: 1ff40000000e2dca
[   23.566711][  T773] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab582bc
[   23.566978][  T773] RBP: ff1100000e7a4000 R08: 1fe220000156b059 R09: ff11000010022e58
[   23.567168][  T773] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   23.567361][  T773] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.567553][  T773] FS:  00007f9b8a58b840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   23.567778][  T773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.568013][  T773] CR2: 0000000025090988 CR3: 000000000fcbf004 CR4: 0000000000771ef0
[   23.568205][  T773] PKRU: 55555554
[   23.568301][  T773] Call Trace:
[   23.568401][  T773]  <TASK>
[   23.568469][  T773]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.568600][  T773]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.568697][  T773]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.568824][  T773]  __dev_notify_flags (net/core/dev.c:9787)
[   23.569048][  T773]  ? netif_change_name (net/core/dev.c:1495)
[   23.569175][  T773]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.569304][  T773]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.569437][  T773]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.569566][  T773]  ? 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))
[   23.569696][  T773]  netif_change_flags (net/core/dev.c:9820)
[   23.569825][  T773]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.569989][  T773]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.570120][  T773]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.570249][  T773]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.570413][  T773]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.570542][  T773]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.570668][  T773]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.570795][  T773]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.570929][  T773]  ? __kernel_text_address (kernel/extable.c:79)
[   23.571059][  T773]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.571188][  T773]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.571314][  T773]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.571447][  T773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.571574][  T773]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.571701][  T773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.571827][  T773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.571958][  T773]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.572085][  T773]  ? __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)
[   23.572213][  T773]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.572345][  T773]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.572474][  T773]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.572605][  T773]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.572737][  T773]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.572866][  T773]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.572999][  T773]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.573128][  T773]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.573256][  T773]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.573386][  T773]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.573518][  T773]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.573646][  T773]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.573774][  T773]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.573908][  T773]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.574037][  T773]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.574167][  T773]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.574294][  T773]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.574422][  T773]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.574549][  T773]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.574678][  T773]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.574807][  T773]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.574941][  T773]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.575070][  T773]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.575198][  T773]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.575333][  T773]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.575460][  T773]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.575589][  T773]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.575718][  T773]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.575847][  T773]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.575983][  T773]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.576112][  T773]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.576240][  T773]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.576377][  T773]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.576505][  T773]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.576633][  T773]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.576790][  T773]  ? move_addr_to_kernel (net/socket.c:258)
[   23.576927][  T773]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.577056][  T773]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.577185][  T773]  ___sys_sendmsg (net/socket.c:2752)
[   23.577313][  T773]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.577478][  T773]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.577619][  T773]  __sys_sendmsg (net/socket.c:2784)
[   23.577749][  T773]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.577877][  T773]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.578043][  T773]  ? 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)
[   23.578173][  T773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.578301][  T773]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.578464][  T773]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.578592][  T773]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.578721][  T773]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.578879][  T773] RIP: 0033:0x7f9b8a7c508e
[   23.579018][  T773] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.579478][  T773] RSP: 002b:00007fff26007ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.579671][  T773] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9b8a7c508e
[   23.579862][  T773] RDX: 0000000000000000 RSI: 00007fff26007b60 RDI: 0000000000000005
[   23.580057][  T773] RBP: 00007fff26007ac0 R08: 0000000000000000 R09: 0000000000000000
[   23.580248][  T773] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1c
[   23.580443][  T773] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff26008230
| [   23.724368][  T782] ------------[ cut here ]------------
| [   23.724536][  T782] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/782
| [   23.724755][  T782] Modules linked in: ip6_gre ip_gre gre
| [   23.725724][  T782] Tainted: [W]=WARN
[   23.725817][  T782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.726066][  T782] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.726228][  T782] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.726672][  T782] RSP: 0018:ffa0000000797060 EFLAGS: 00010286
[   23.726829][  T782] RAX: 00000000ffffffa6 RBX: ff1100000c990040 RCX: 1ff40000000f2dd2
[   23.727075][  T782] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9900fc
[   23.727261][  T782] RBP: ff1100000e7a4000 R08: 1fe2200001932021 R09: ff110000100eae58
[   23.727453][  T782] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   23.727639][  T782] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000007970f8
[   23.727827][  T782] FS:  00007fb9940e2840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   23.728103][  T782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.728259][  T782] CR2: 00007fb9943b21a0 CR3: 000000000d32e006 CR4: 0000000000771ef0
[   23.728449][  T782] PKRU: 55555554
[   23.728541][  T782] Call Trace:
[   23.728634][  T782]  <TASK>
[   23.728699][  T782]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.728824][  T782]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.728926][  T782]  netif_close_many (net/core/dev.c:1804)
[   23.729050][  T782]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.729173][  T782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.729298][  T782]  ? __dev_close_many (net/core/dev.c:1781)
[   23.729424][  T782]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   23.729580][  T782]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   23.729735][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.729857][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.729987][  T782]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.730140][  T782]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.730265][  T782]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.730394][  T782]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.730547][  T782]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   23.730672][  T782]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   23.730799][  T782]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.730928][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.731051][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.731173][  T782]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.731296][  T782]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.731423][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.731564][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.731686][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.731811][  T782]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.731938][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.732060][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.732183][  T782]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   23.732308][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.732435][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.732557][  T782]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.732682][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.732807][  T782]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.732936][  T782]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.733059][  T782]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.733181][  T782]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.733304][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.733435][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.733557][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.733682][  T782]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.733805][  T782]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.733930][  T782]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.734058][  T782]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.734181][  T782]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.734306][  T782]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.734436][  T782]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.734561][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.734685][  T782]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.734810][  T782]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.734998][  T782]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.735124][  T782]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.735248][  T782]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.735375][  T782]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.735527][  T782]  ? move_addr_to_kernel (net/socket.c:258)
[   23.735651][  T782]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.735775][  T782]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.735980][  T782]  ___sys_sendmsg (net/socket.c:2752)
[   23.736103][  T782]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.736254][  T782]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.736394][  T782]  __sys_sendmsg (net/socket.c:2784)
[   23.736517][  T782]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.736640][  T782]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.736793][  T782]  ? 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)
[   23.736967][  T782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.737097][  T782]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.737222][  T782]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.737353][  T782]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.737475][  T782]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.737628][  T782] RIP: 0033:0x7fb99431c08e
[   23.737757][  T782] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.738271][  T782] RSP: 002b:00007ffc463bb1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.738465][  T782] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb99431c08e
[   23.738651][  T782] RDX: 0000000000000000 RSI: 00007ffc463bb250 RDI: 0000000000000005
[   23.738835][  T782] RBP: 00007ffc463bb1b0 R08: 0000000000000000 R09: 0000000000000000
[   23.739095][  T782] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1c
[   23.739277][  T782] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc463bb920
| [   23.747457][  T782] ------------[ cut here ]------------
| [   23.747590][  T782] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/782
| [   23.747795][  T782] Modules linked in: ip6_gre ip_gre gre
| [   23.748677][  T782] Tainted: [W]=WARN
[   23.748770][  T782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.748971][  T782] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.749128][  T782] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.749608][  T782] RSP: 0018:ffa0000000797190 EFLAGS: 00010286
[   23.749759][  T782] RAX: 00000000ffffffa6 RBX: ff1100000e175380 RCX: 1ff40000000f2df8
[   23.749993][  T782] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e17543c
[   23.750172][  T782] RBP: ff1100000e7a4000 R08: 1fe2200001c2ea89 R09: ff110000100eae58
[   23.750355][  T782] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.750535][  T782] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.750714][  T782] FS:  00007fb9940e2840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   23.750972][  T782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.751127][  T782] CR2: 00007fb9943b21a0 CR3: 000000000d32e006 CR4: 0000000000771ef0
[   23.751306][  T782] PKRU: 55555554
[   23.751403][  T782] Call Trace:
[   23.751492][  T782]  <TASK>
[   23.751554][  T782]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.751708][  T782]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.751856][  T782]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.752033][  T782]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.752153][  T782]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.752304][  T782]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   23.752433][  T782]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.752554][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.752673][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.752795][  T782]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.752970][  T782]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.753089][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.753227][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.753351][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.753470][  T782]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.753593][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.753716][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.753836][  T782]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   23.754005][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.754126][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.754246][  T782]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.754373][  T782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.754495][  T782]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.754619][  T782]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.754740][  T782]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.754858][  T782]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.755028][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.755153][  T782]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.755273][  T782]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.755399][  T782]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.755519][  T782]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.755640][  T782]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.755768][  T782]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.755939][  T782]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.756061][  T782]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.756183][  T782]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.756308][  T782]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.756440][  T782]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.756562][  T782]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.756685][  T782]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.756807][  T782]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.756979][  T782]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.757099][  T782]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.757247][  T782]  ? move_addr_to_kernel (net/socket.c:258)
[   23.757376][  T782]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.757498][  T782]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.757621][  T782]  ___sys_sendmsg (net/socket.c:2752)
[   23.757741][  T782]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.757942][  T782]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.758076][  T782]  __sys_sendmsg (net/socket.c:2784)
[   23.758198][  T782]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.758323][  T782]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.758478][  T782]  ? 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)
[   23.758599][  T782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.758721][  T782]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.758843][  T782]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.759020][  T782]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.759141][  T782]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.759291][  T782] RIP: 0033:0x7fb99431c08e
[   23.759422][  T782] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.759853][  T782] RSP: 002b:00007ffc463bb1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.760085][  T782] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb99431c08e
[   23.760266][  T782] RDX: 0000000000000000 RSI: 00007ffc463bb250 RDI: 0000000000000005
[   23.760452][  T782] RBP: 00007ffc463bb1b0 R08: 0000000000000000 R09: 0000000000000000
[   23.760634][  T782] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1c
[   23.760815][  T782] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc463bb920
| [   23.795215][  T783] ------------[ cut here ]------------
| [   23.795370][  T783] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/783
| [   23.795599][  T783] Modules linked in: ip6_gre ip_gre gre
| [   23.796021][  T783] Tainted: [W]=WARN
[   23.796127][  T783] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.796299][  T783] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.796480][  T783] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.796960][  T783] RSP: 0018:ffa00000007a71b0 EFLAGS: 00010286
[   23.797126][  T783] RAX: 00000000ffffffa6 RBX: ff1100000576c040 RCX: 1ff40000000f4dfc
[   23.797330][  T783] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576c0fc
[   23.797528][  T783] RBP: ff1100000f281000 R08: 1fe2200000aed821 R09: ff110000100e8b80
[   23.797729][  T783] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.797930][  T783] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300e60
[   23.798127][  T783] FS:  00007fd16362e840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   23.798364][  T783] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.798530][  T783] CR2: 00007fd163908cb0 CR3: 000000000f0de002 CR4: 0000000000771ef0
[   23.798731][  T783] PKRU: 55555554
[   23.798831][  T783] Call Trace:
[   23.798933][  T783]  <TASK>
[   23.799002][  T783]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.799135][  T783]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.799235][  T783]  __dev_notify_flags (net/core/dev.c:9787)
[   23.799374][  T783]  ? netif_change_name (net/core/dev.c:1495)
[   23.799507][  T783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.799644][  T783]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   23.799775][  T783]  ? nla_strscpy (lib/nlattr.c:795)
[   23.799914][  T783]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   23.800048][  T783]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   23.800178][  T783]  ? __dev_get_by_name (net/core/dev.c:883)
[   23.800310][  T783]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   23.800452][  T783]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   23.800590][  T783]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.800724][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.800855][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.800992][  T783]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.801124][  T783]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.801256][  T783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.801397][  T783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.801532][  T783]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.801665][  T783]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.801797][  T783]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.802350][  T783]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.802482][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.802615][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.802746][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.802879][  T783]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.803018][  T783]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.803151][  T783]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.803285][  T783]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.803422][  T783]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.803556][  T783]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.803689][  T783]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.803820][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.803957][  T783]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.804090][  T783]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.804223][  T783]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.804361][  T783]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.804494][  T783]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.804623][  T783]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.804785][  T783]  ? move_addr_to_kernel (net/socket.c:258)
[   23.804926][  T783]  ___sys_sendmsg (net/socket.c:2752)
[   23.805058][  T783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.805188][  T783]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.805335][  T783]  ? 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))
[   23.805470][  T783]  __sys_sendmsg (net/socket.c:2784)
[   23.805603][  T783]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.805740][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.805871][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.806008][  T783]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.806142][  T783]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.806272][  T783]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.806409][  T783]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.806572][  T783] RIP: 0033:0x7fd16386808e
[   23.806710][  T783] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.807183][  T783] RSP: 002b:00007ffc97b65840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.807386][  T783] RAX: ffffffffffffffda RBX: 00007ffc97b65ff0 RCX: 00007fd16386808e
[   23.807583][  T783] RDX: 0000000000000000 RSI: 00007ffc97b658f0 RDI: 0000000000000005
[   23.807778][  T783] RBP: 00007ffc97b65850 R08: 0000000000000000 R09: 0000000000000000
[   23.807979][  T783] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1d
[   23.808176][  T783] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc97b65fb0
| [   23.870614][  T785] ------------[ cut here ]------------
| [   23.870773][  T785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/785
| [   23.871443][  T785] Modules linked in: ip6_gre ip_gre gre
| [   23.871851][  T785] Tainted: [W]=WARN
[   23.871953][  T785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.872114][  T785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.872283][  T785] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.872754][  T785] RSP: 0018:ffa00000007e7020 EFLAGS: 00010286
[   23.872926][  T785] RAX: 00000000ffffffa6 RBX: ff1100000c2dbc40 RCX: 1ff40000000fcdca
[   23.873120][  T785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2dbcfc
[   23.873313][  T785] RBP: ff1100000f281000 R08: 1fe220000185b7a1 R09: ff1100001054ae58
[   23.873515][  T785] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   23.873714][  T785] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.873915][  T785] FS:  00007fc893f74840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   23.874144][  T785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.874309][  T785] CR2: 0000000021d38988 CR3: 000000000510f004 CR4: 0000000000771ef0
[   23.874511][  T785] PKRU: 55555554
[   23.874609][  T785] Call Trace:
[   23.874707][  T785]  <TASK>
[   23.874776][  T785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.874913][  T785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.875013][  T785]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.875144][  T785]  __dev_notify_flags (net/core/dev.c:9787)
[   23.875277][  T785]  ? netif_change_name (net/core/dev.c:1495)
[   23.875416][  T785]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.875547][  T785]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.875678][  T785]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.875807][  T785]  ? 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))
[   23.875943][  T785]  netif_change_flags (net/core/dev.c:9820)
[   23.876073][  T785]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.876205][  T785]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.876345][  T785]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.876478][  T785]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.876640][  T785]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.876772][  T785]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.876907][  T785]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.877039][  T785]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.877169][  T785]  ? __kernel_text_address (kernel/extable.c:79)
[   23.877302][  T785]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.877440][  T785]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.877570][  T785]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.877701][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.877831][  T785]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.877970][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.878100][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.878230][  T785]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.878367][  T785]  ? __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)
[   23.878498][  T785]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.878628][  T785]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.878761][  T785]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.878898][  T785]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.879034][  T785]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.879166][  T785]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.879297][  T785]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.879433][  T785]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.879562][  T785]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.879691][  T785]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.879826][  T785]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.879963][  T785]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.880092][  T785]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.880224][  T785]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.880363][  T785]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.880493][  T785]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.880623][  T785]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.880752][  T785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.880880][  T785]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.881018][  T785]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.881148][  T785]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.881280][  T785]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.881416][  T785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.881546][  T785]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.881679][  T785]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.881809][  T785]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.881947][  T785]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.882078][  T785]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.882209][  T785]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.882348][  T785]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.882480][  T785]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.882613][  T785]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.882745][  T785]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.882875][  T785]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.883008][  T785]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.883167][  T785]  ? move_addr_to_kernel (net/socket.c:258)
[   23.883298][  T785]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.883433][  T785]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.883562][  T785]  ___sys_sendmsg (net/socket.c:2752)
[   23.883689][  T785]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.883848][  T785]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.883995][  T785]  __sys_sendmsg (net/socket.c:2784)
[   23.884125][  T785]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.884255][  T785]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.884426][  T785]  ? 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)
[   23.884556][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.884686][  T785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.884816][  T785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.884950][  T785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.885081][  T785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.885241][  T785] RIP: 0033:0x7fc8941ae08e
[   23.885383][  T785] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.885842][  T785] RSP: 002b:00007ffd01314910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.886043][  T785] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc8941ae08e
[   23.886240][  T785] RDX: 0000000000000000 RSI: 00007ffd013149c0 RDI: 0000000000000005
[   23.886438][  T785] RBP: 00007ffd01314920 R08: 0000000000000000 R09: 0000000000000000
[   23.886630][  T785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1d
[   23.886825][  T785] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd01315090
| [   23.982680][  T793] ------------[ cut here ]------------
| [   23.982838][  T793] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/793
| [   23.983069][  T793] Modules linked in: ip6_gre ip_gre gre
| [   23.983467][  T793] Tainted: [W]=WARN
[   23.983563][  T793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.983721][  T793] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.983893][  T793] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.984346][  T793] RSP: 0018:ffa0000000857020 EFLAGS: 00010286
[   23.984507][  T793] RAX: 00000000ffffffa6 RBX: ff1100000282ae40 RCX: 1ff400000010adca
[   23.984695][  T793] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282aefc
[   23.984883][  T793] RBP: ff1100000f281000 R08: 1fe22000005055e1 R09: ff1100000fd15158
[   23.985076][  T793] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   23.985264][  T793] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.985457][  T793] FS:  00007f94ef062840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   23.985676][  T793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.985834][  T793] CR2: 00007f94ef3321a0 CR3: 0000000009bde001 CR4: 0000000000771ef0
[   23.986025][  T793] PKRU: 55555554
[   23.986119][  T793] Call Trace:
[   23.986213][  T793]  <TASK>
[   23.986279][  T793]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.986412][  T793]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.986509][  T793]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.986635][  T793]  __dev_notify_flags (net/core/dev.c:9787)
[   23.986764][  T793]  ? netif_change_name (net/core/dev.c:1495)
[   23.986895][  T793]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   23.987022][  T793]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.987147][  T793]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.987274][  T793]  ? 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))
[   23.987406][  T793]  netif_change_flags (net/core/dev.c:9820)
[   23.987533][  T793]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.987659][  T793]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.987787][  T793]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.987921][  T793]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.988078][  T793]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.988204][  T793]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.988334][  T793]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.988458][  T793]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.988586][  T793]  ? __kernel_text_address (kernel/extable.c:79)
[   23.988715][  T793]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.988843][  T793]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.988975][  T793]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.989103][  T793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.989229][  T793]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.989360][  T793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.989486][  T793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.989611][  T793]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.989740][  T793]  ? __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)
[   23.989869][  T793]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.990001][  T793]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.990129][  T793]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.990256][  T793]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.990390][  T793]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.990517][  T793]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.990643][  T793]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.990770][  T793]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.990899][  T793]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.991025][  T793]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.991153][  T793]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.991279][  T793]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.991411][  T793]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.991537][  T793]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.991666][  T793]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.991792][  T793]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.991924][  T793]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.992049][  T793]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.992175][  T793]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.992302][  T793]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.992432][  T793]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.992559][  T793]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.992686][  T793]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.992812][  T793]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.992947][  T793]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.993073][  T793]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.993200][  T793]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.993332][  T793]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.993459][  T793]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.993587][  T793]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.993717][  T793]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.993845][  T793]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.993978][  T793]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.994105][  T793]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.994231][  T793]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.994389][  T793]  ? move_addr_to_kernel (net/socket.c:258)
[   23.994516][  T793]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.994643][  T793]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.994770][  T793]  ___sys_sendmsg (net/socket.c:2752)
[   23.994898][  T793]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.995054][  T793]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.995191][  T793]  __sys_sendmsg (net/socket.c:2784)
[   23.995320][  T793]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.995446][  T793]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.995605][  T793]  ? 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)
[   23.995731][  T793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.995857][  T793]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.995987][  T793]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.996112][  T793]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.996237][  T793]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.996395][  T793] RIP: 0033:0x7f94ef29c08e
[   23.996527][  T793] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.996983][  T793] RSP: 002b:00007ffe84977ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.997173][  T793] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f94ef29c08e
[   23.997366][  T793] RDX: 0000000000000000 RSI: 00007ffe84977b80 RDI: 0000000000000005
[   23.997556][  T793] RBP: 00007ffe84977ae0 R08: 0000000000000000 R09: 0000000000000000
[   23.997743][  T793] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1d
[   23.997939][  T793] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe84978250
| [   24.064239][  T795] ------------[ cut here ]------------
| [   24.064391][  T795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/795
| [   24.064609][  T795] Modules linked in: ip6_gre ip_gre gre
| [   24.064998][  T795] Tainted: [W]=WARN
[   24.065093][  T795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.065253][  T795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.065421][  T795] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.065862][  T795] RSP: 0018:ffa0000000877020 EFLAGS: 00010286
[   24.066024][  T795] RAX: 00000000ffffffa6 RBX: ff1100000c2dba80 RCX: 1ff400000010edca
[   24.066212][  T795] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2dbb3c
[   24.066404][  T795] RBP: ff1100000f281000 R08: 1fe220000185b769 R09: ff1100000fc38b58
[   24.066589][  T795] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   24.066777][  T795] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.066970][  T795] FS:  00007f6b9686c840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   24.067188][  T795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.067352][  T795] CR2: 0000000033608988 CR3: 000000000fc2f004 CR4: 0000000000771ef0
[   24.067540][  T795] PKRU: 55555554
[   24.067633][  T795] Call Trace:
[   24.067726][  T795]  <TASK>
[   24.067791][  T795]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.067923][  T795]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.068019][  T795]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.068146][  T795]  __dev_notify_flags (net/core/dev.c:9787)
[   24.068272][  T795]  ? netif_change_name (net/core/dev.c:1495)
[   24.068403][  T795]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.068529][  T795]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.068654][  T795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.068779][  T795]  ? 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))
[   24.068912][  T795]  netif_change_flags (net/core/dev.c:9820)
[   24.069038][  T795]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.069164][  T795]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.069291][  T795]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.069423][  T795]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.069581][  T795]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.069705][  T795]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.069831][  T795]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.069958][  T795]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.070085][  T795]  ? __kernel_text_address (kernel/extable.c:79)
[   24.070212][  T795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.070344][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.070469][  T795]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.070599][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.070726][  T795]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.070853][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.070986][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.071113][  T795]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.071240][  T795]  ? __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)
[   24.071371][  T795]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.071496][  T795]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.071623][  T795]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.071752][  T795]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.071881][  T795]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.072014][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.072139][  T795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.072264][  T795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.072392][  T795]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.072517][  T795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.072646][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.072770][  T795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.073190][  T795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.073315][  T795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.073446][  T795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.073572][  T795]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.073697][  T795]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.073822][  T795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.073953][  T795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.074080][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.074204][  T795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.074334][  T795]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.074459][  T795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.074585][  T795]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.074714][  T795]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.074840][  T795]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.074973][  T795]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.075100][  T795]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.075226][  T795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.075358][  T795]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.075485][  T795]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.075611][  T795]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.075738][  T795]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.075864][  T795]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.075992][  T795]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.076147][  T795]  ? move_addr_to_kernel (net/socket.c:258)
[   24.076273][  T795]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.076402][  T795]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.076529][  T795]  ___sys_sendmsg (net/socket.c:2752)
[   24.076654][  T795]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.076812][  T795]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.076957][  T795]  __sys_sendmsg (net/socket.c:2784)
[   24.077082][  T795]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.077208][  T795]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.077372][  T795]  ? 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)
[   24.077496][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.077623][  T795]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.077748][  T795]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.077873][  T795]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.078004][  T795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.078160][  T795] RIP: 0033:0x7f6b96aa608e
[   24.078291][  T795] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.078740][  T795] RSP: 002b:00007ffeb20f8470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.078935][  T795] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6b96aa608e
[   24.079122][  T795] RDX: 0000000000000000 RSI: 00007ffeb20f8520 RDI: 0000000000000005
[   24.079308][  T795] RBP: 00007ffeb20f8480 R08: 0000000000000000 R09: 0000000000000000
[   24.079499][  T795] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1d
[   24.079687][  T795] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb20f8bf0
| [   24.219066][  T804] ------------[ cut here ]------------
| [   24.219258][  T804] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/804
| [   24.219532][  T804] Modules linked in: ip6_gre ip_gre gre
| [   24.220019][  T804] Tainted: [W]=WARN
[   24.220158][  T804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.220364][  T804] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.220572][  T804] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.221141][  T804] RSP: 0018:ffa0000000957060 EFLAGS: 00010286
[   24.221400][  T804] RAX: 00000000ffffffa6 RBX: ff1100000d272580 RCX: 1ff400000012add2
[   24.221680][  T804] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d27263c
[   24.221993][  T804] RBP: ff1100000f281000 R08: 1fe2200001a4e4c9 R09: ff110000100aae58
[   24.222294][  T804] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   24.222625][  T804] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000009570f8
[   24.222922][  T804] FS:  00007fbb3939c840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   24.223258][  T804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.223531][  T804] CR2: 000000000dadd988 CR3: 000000000fc55005 CR4: 0000000000771ef0
[   24.223761][  T804] PKRU: 55555554
[   24.223910][  T804] Call Trace:
[   24.224048][  T804]  <TASK>
[   24.224157][  T804]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.224336][  T804]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.224479][  T804]  netif_close_many (net/core/dev.c:1804)
[   24.224651][  T804]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.224819][  T804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.225001][  T804]  ? __dev_close_many (net/core/dev.c:1781)
[   24.225172][  T804]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   24.225380][  T804]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   24.225582][  T804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.225748][  T804]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.225930][  T804]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.226128][  T804]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.226299][  T804]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.226475][  T804]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   24.226678][  T804]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   24.226849][  T804]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   24.227030][  T804]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   24.227203][  T804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.227379][  T804]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.227550][  T804]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.227722][  T804]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.227901][  T804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.228089][  T804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.228258][  T804]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.228437][  T804]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.228608][  T804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.228777][  T804]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.228960][  T804]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   24.229132][  T804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.229300][  T804]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.229478][  T804]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.229648][  T804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.229819][  T804]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.229997][  T804]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.230167][  T804]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.230342][  T804]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.230511][  T804]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.230682][  T804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.230849][  T804]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.231030][  T804]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.231199][  T804]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.231378][  T804]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.231553][  T804]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.231722][  T804]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.231907][  T804]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.232080][  T804]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.232249][  T804]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.232428][  T804]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.232599][  T804]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.232768][  T804]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.232954][  T804]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.233125][  T804]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.233294][  T804]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.233501][  T804]  ? move_addr_to_kernel (net/socket.c:258)
[   24.233673][  T804]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.233843][  T804]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.234026][  T804]  ___sys_sendmsg (net/socket.c:2752)
[   24.234194][  T804]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.234403][  T804]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.234582][  T804]  __sys_sendmsg (net/socket.c:2784)
[   24.234752][  T804]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.234932][  T804]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.235134][  T804]  ? 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)
[   24.235302][  T804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.235482][  T804]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.235653][  T804]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.235825][  T804]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.236007][  T804]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.236207][  T804] RIP: 0033:0x7fbb395d608e
[   24.236390][  T804] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.236875][  T804] RSP: 002b:00007ffd5e8f7710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.237122][  T804] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbb395d608e
[   24.237359][  T804] RDX: 0000000000000000 RSI: 00007ffd5e8f77c0 RDI: 0000000000000005
[   24.237587][  T804] RBP: 00007ffd5e8f7720 R08: 0000000000000000 R09: 0000000000000000
[   24.237816][  T804] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1d
[   24.238055][  T804] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5e8f7e90
| [   24.240722][  T804] ------------[ cut here ]------------
| [   24.240852][  T804] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/804
| [   24.241070][  T804] Modules linked in: ip6_gre ip_gre gre
| [   24.241443][  T804] Tainted: [W]=WARN
[   24.241537][  T804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.241685][  T804] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.241840][  T804] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.242272][  T804] RSP: 0018:ffa0000000957190 EFLAGS: 00010286
[   24.242429][  T804] RAX: 00000000ffffffa6 RBX: ff1100000d272ac0 RCX: 1ff400000012adf8
[   24.242606][  T804] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d272b7c
[   24.242783][  T804] RBP: ff1100000f281000 R08: 1fe2200001a4e571 R09: ff110000100aae58
[   24.242964][  T804] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.243141][  T804] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.243325][  T804] FS:  00007fbb3939c840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   24.243534][  T804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.243683][  T804] CR2: 00007fe9765818f4 CR3: 000000000fc55002 CR4: 0000000000771ef0
[   24.243865][  T804] PKRU: 55555554
[   24.243959][  T804] Call Trace:
[   24.244048][  T804]  <TASK>
[   24.244109][  T804]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.244264][  T804]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.244416][  T804]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.244536][  T804]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.244654][  T804]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   24.244805][  T804]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   24.244931][  T804]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   24.245052][  T804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.245170][  T804]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.245291][  T804]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.245415][  T804]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.245534][  T804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.245669][  T804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.245787][  T804]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.245913][  T804]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.246030][  T804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.246148][  T804]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.246269][  T804]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   24.246398][  T804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.246517][  T804]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.246636][  T804]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.246755][  T804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.246876][  T804]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.247002][  T804]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.247121][  T804]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.247239][  T804]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.247360][  T804]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.247480][  T804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.247599][  T804]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.247721][  T804]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.247841][  T804]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.247967][  T804]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.248090][  T804]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.248208][  T804]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.248334][  T804]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.248460][  T804]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.248579][  T804]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.248699][  T804]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.248821][  T804]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.248947][  T804]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.249067][  T804]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.249186][  T804]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.249306][  T804]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.249459][  T804]  ? move_addr_to_kernel (net/socket.c:258)
[   24.249580][  T804]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.249700][  T804]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.249819][  T804]  ___sys_sendmsg (net/socket.c:2752)
[   24.249944][  T804]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.250092][  T804]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.250223][  T804]  __sys_sendmsg (net/socket.c:2784)
[   24.250348][  T804]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.250466][  T804]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.250617][  T804]  ? 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)
[   24.250736][  T804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.250857][  T804]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.250984][  T804]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.251105][  T804]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.251225][  T804]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.251377][  T804] RIP: 0033:0x7fbb395d608e
[   24.251503][  T804] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.251929][  T804] RSP: 002b:00007ffd5e8f7710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.252111][  T804] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbb395d608e
[   24.252290][  T804] RDX: 0000000000000000 RSI: 00007ffd5e8f77c0 RDI: 0000000000000005
[   24.252472][  T804] RBP: 00007ffd5e8f7720 R08: 0000000000000000 R09: 0000000000000000
[   24.252649][  T804] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1d
[   24.252828][  T804] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5e8f7e90
| [   24.300280][  T805] ------------[ cut here ]------------
| [   24.300439][  T805] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/805
| [   24.300665][  T805] Modules linked in: ip6_gre ip_gre gre
| [   24.301080][  T805] Tainted: [W]=WARN
[   24.301179][  T805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.301351][  T805] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.301520][  T805] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.301992][  T805] RSP: 0018:ffa00000009671b0 EFLAGS: 00010286
[   24.302157][  T805] RAX: 00000000ffffffa6 RBX: ff1100000f23e900 RCX: 1ff400000012cdfc
[   24.302355][  T805] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23e9bc
[   24.302548][  T805] RBP: ff1100000f6b9000 R08: 1fe2200001e47d39 R09: ff1100000fd95180
[   24.302740][  T805] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   24.302934][  T805] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300e60
[   24.303128][  T805] FS:  00007fcffc7a1840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   24.303357][  T805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.303520][  T805] CR2: 00007fcffca7bcb0 CR3: 000000000f397002 CR4: 0000000000771ef0
[   24.303714][  T805] PKRU: 55555554
[   24.303811][  T805] Call Trace:
[   24.303914][  T805]  <TASK>
[   24.303981][  T805]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.304111][  T805]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.304210][  T805]  __dev_notify_flags (net/core/dev.c:9787)
[   24.304347][  T805]  ? netif_change_name (net/core/dev.c:1495)
[   24.304476][  T805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.304604][  T805]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.304738][  T805]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.304868][  T805]  ? nla_strscpy (lib/nlattr.c:795)
[   24.305007][  T805]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   24.305139][  T805]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.305269][  T805]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.305405][  T805]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.305542][  T805]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.305675][  T805]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.305809][  T805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.305942][  T805]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.306071][  T805]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.306201][  T805]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.306332][  T805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.306464][  T805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.306594][  T805]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.306723][  T805]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.306854][  T805]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.306989][  T805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.307118][  T805]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.307250][  T805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.307384][  T805]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.307513][  T805]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.307642][  T805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.307770][  T805]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.307908][  T805]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.308038][  T805]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.308169][  T805]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.308298][  T805]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.308431][  T805]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.308560][  T805]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.308689][  T805]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.308821][  T805]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.308958][  T805]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.309087][  T805]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.309214][  T805]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.309377][  T805]  ? move_addr_to_kernel (net/socket.c:258)
[   24.309510][  T805]  ___sys_sendmsg (net/socket.c:2752)
[   24.309637][  T805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.309766][  T805]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.309908][  T805]  ? 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))
[   24.310040][  T805]  __sys_sendmsg (net/socket.c:2784)
[   24.310169][  T805]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.310300][  T805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.310435][  T805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.310565][  T805]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.310694][  T805]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.310824][  T805]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.310959][  T805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.311116][  T805] RIP: 0033:0x7fcffc9db08e
[   24.311249][  T805] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.311713][  T805] RSP: 002b:00007fff010715a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.311913][  T805] RAX: ffffffffffffffda RBX: 00007fff01071d50 RCX: 00007fcffc9db08e
[   24.312104][  T805] RDX: 0000000000000000 RSI: 00007fff01071650 RDI: 0000000000000005
[   24.312296][  T805] RBP: 00007fff010715b0 R08: 0000000000000000 R09: 0000000000000000
[   24.312492][  T805] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1d
[   24.312685][  T805] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff01071d10
| [   24.370650][  T807] ------------[ cut here ]------------
| [   24.370800][  T807] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/807
| [   24.371036][  T807] Modules linked in: ip6_gre ip_gre gre
| [   24.371484][  T807] Tainted: [W]=WARN
[   24.371583][  T807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.371745][  T807] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.371921][  T807] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.372387][  T807] RSP: 0018:ffa0000000987020 EFLAGS: 00010286
[   24.372550][  T807] RAX: 00000000ffffffa6 RBX: ff1100000f23e040 RCX: 1ff4000000130dca
[   24.372743][  T807] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23e0fc
[   24.373497][  T807] RBP: ff1100000f6b9000 R08: 1fe2200001e47c21 R09: ff1100000f120b58
[   24.373693][  T807] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   24.373890][  T807] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.374084][  T807] FS:  00007fea3ce39840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   24.374308][  T807] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.374478][  T807] CR2: 00000000078ee988 CR3: 0000000012ad5006 CR4: 0000000000771ef0
[   24.374672][  T807] PKRU: 55555554
[   24.374768][  T807] Call Trace:
[   24.374864][  T807]  <TASK>
[   24.374934][  T807]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.375064][  T807]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.375163][  T807]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.375292][  T807]  __dev_notify_flags (net/core/dev.c:9787)
[   24.375430][  T807]  ? netif_change_name (net/core/dev.c:1495)
[   24.375560][  T807]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.375690][  T807]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.375818][  T807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.375955][  T807]  ? 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))
[   24.376085][  T807]  netif_change_flags (net/core/dev.c:9820)
[   24.376216][  T807]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.376352][  T807]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.376483][  T807]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.376613][  T807]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.376773][  T807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.376922][  T807]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.377051][  T807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.377180][  T807]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.377309][  T807]  ? __kernel_text_address (kernel/extable.c:79)
[   24.377443][  T807]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.377572][  T807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.377698][  T807]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.377826][  T807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.377961][  T807]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.378093][  T807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.378227][  T807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.378360][  T807]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.378490][  T807]  ? __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)
[   24.378620][  T807]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.378749][  T807]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.378878][  T807]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.379015][  T807]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.379147][  T807]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.379279][  T807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.379411][  T807]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.379538][  T807]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.379665][  T807]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.379792][  T807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.379929][  T807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.380057][  T807]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.380187][  T807]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.380316][  T807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.380449][  T807]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.380578][  T807]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.380707][  T807]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.380835][  T807]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.380969][  T807]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.381098][  T807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.381225][  T807]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.381359][  T807]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.381486][  T807]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.381613][  T807]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.381746][  T807]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.381874][  T807]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.382009][  T807]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.382140][  T807]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.382270][  T807]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.382406][  T807]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.382535][  T807]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.382663][  T807]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.382794][  T807]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.382929][  T807]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.383058][  T807]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.383219][  T807]  ? move_addr_to_kernel (net/socket.c:258)
[   24.383354][  T807]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.383483][  T807]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.383612][  T807]  ___sys_sendmsg (net/socket.c:2752)
[   24.383739][  T807]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.383901][  T807]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.384042][  T807]  __sys_sendmsg (net/socket.c:2784)
[   24.384174][  T807]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.384304][  T807]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.384473][  T807]  ? 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)
[   24.384602][  T807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.384730][  T807]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.384858][  T807]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.384992][  T807]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.385122][  T807]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.385282][  T807] RIP: 0033:0x7fea3d07308e
[   24.385421][  T807] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.385878][  T807] RSP: 002b:00007ffd60af3f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.386077][  T807] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fea3d07308e
[   24.386267][  T807] RDX: 0000000000000000 RSI: 00007ffd60af4020 RDI: 0000000000000005
[   24.386462][  T807] RBP: 00007ffd60af3f80 R08: 0000000000000000 R09: 0000000000000000
[   24.386655][  T807] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1d
[   24.386847][  T807] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd60af46f0
| [   24.484380][  T814] ------------[ cut here ]------------
| [   24.484534][  T814] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/814
| [   24.484764][  T814] Modules linked in: ip6_gre ip_gre gre
| [   24.485171][  T814] Tainted: [W]=WARN
[   24.485268][  T814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.485434][  T814] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.485603][  T814] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.486065][  T814] RSP: 0018:ffa0000000a8f020 EFLAGS: 00010286
[   24.486228][  T814] RAX: 00000000ffffffa6 RBX: ff1100000cdad540 RCX: 1ff4000000151dca
[   24.486424][  T814] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdad5fc
[   24.486616][  T814] RBP: ff1100000f6b9000 R08: 1fe22000019b5ac1 R09: ff1100000f4f2e58
[   24.486808][  T814] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   24.487008][  T814] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.487202][  T814] FS:  00007fc750568840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   24.487432][  T814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.487595][  T814] CR2: 000000001b39e988 CR3: 000000000e7f9002 CR4: 0000000000771ef0
[   24.487790][  T814] PKRU: 55555554
[   24.487895][  T814] Call Trace:
[   24.487992][  T814]  <TASK>
[   24.488059][  T814]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.488191][  T814]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.488289][  T814]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.488425][  T814]  __dev_notify_flags (net/core/dev.c:9787)
[   24.488556][  T814]  ? netif_change_name (net/core/dev.c:1495)
[   24.488685][  T814]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   24.488814][  T814]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.488947][  T814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.489076][  T814]  ? 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))
[   24.489206][  T814]  netif_change_flags (net/core/dev.c:9820)
[   24.489338][  T814]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.489467][  T814]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.489598][  T814]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.489728][  T814]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.489894][  T814]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.490023][  T814]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.490151][  T814]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.490278][  T814]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.490413][  T814]  ? __kernel_text_address (kernel/extable.c:79)
[   24.490542][  T814]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.490672][  T814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.490800][  T814]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.490932][  T814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.491062][  T814]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.491190][  T814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.491323][  T814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.491454][  T814]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.491583][  T814]  ? __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)
[   24.491714][  T814]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.491843][  T814]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.491980][  T814]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.492112][  T814]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.492244][  T814]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.492381][  T814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.492508][  T814]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.492637][  T814]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.492765][  T814]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.492897][  T814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.493029][  T814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.493156][  T814]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.493284][  T814]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.493417][  T814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.493546][  T814]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.493675][  T814]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.493804][  T814]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.493939][  T814]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.494068][  T814]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.494198][  T814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.494330][  T814]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.494461][  T814]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.494590][  T814]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.494720][  T814]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.494852][  T814]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.494985][  T814]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.495115][  T814]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.495246][  T814]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.495380][  T814]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.495509][  T814]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.495639][  T814]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.495770][  T814]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.495910][  T814]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.496039][  T814]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.496167][  T814]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.496330][  T814]  ? move_addr_to_kernel (net/socket.c:258)
[   24.496460][  T814]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.496588][  T814]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.496717][  T814]  ___sys_sendmsg (net/socket.c:2752)
[   24.496846][  T814]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.497011][  T814]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.497152][  T814]  __sys_sendmsg (net/socket.c:2784)
[   24.497281][  T814]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.497414][  T814]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.497577][  T814]  ? 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)
[   24.497706][  T814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.497835][  T814]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.497969][  T814]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.498098][  T814]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.498226][  T814]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.498388][  T814] RIP: 0033:0x7fc7507a208e
[   24.498523][  T814] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.498980][  T814] RSP: 002b:00007ffdf3281060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.499177][  T814] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc7507a208e
[   24.499379][  T814] RDX: 0000000000000000 RSI: 00007ffdf3281110 RDI: 0000000000000005
[   24.499573][  T814] RBP: 00007ffdf3281070 R08: 0000000000000000 R09: 0000000000000000
[   24.499764][  T814] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1d
[   24.499961][  T814] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf32817e0
| [   24.560498][  T816] ------------[ cut here ]------------
| [   24.560661][  T816] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/816
| [   24.561411][  T816] Modules linked in: ip6_gre ip_gre gre
| [   24.561874][  T816] Tainted: [W]=WARN
[   24.562037][  T816] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.562204][  T816] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.562379][  T816] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.562844][  T816] RSP: 0018:ffa0000000aaf020 EFLAGS: 00010286
[   24.563066][  T816] RAX: 00000000ffffffa6 RBX: ff1100000576c3c0 RCX: 1ff4000000155dca
[   24.563260][  T816] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576c47c
[   24.563458][  T816] RBP: ff1100000f6b9000 R08: 1fe2200000aed891 R09: ff1100000f3b5158
[   24.563652][  T816] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   24.563847][  T816] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.564101][  T816] FS:  00007f731c7cb840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   24.564332][  T816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.564496][  T816] CR2: 000000001c441988 CR3: 00000000106c8001 CR4: 0000000000771ef0
[   24.564694][  T816] PKRU: 55555554
[   24.564793][  T816] Call Trace:
[   24.564947][  T816]  <TASK>
[   24.565016][  T816]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.565150][  T816]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.565249][  T816]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.565386][  T816]  __dev_notify_flags (net/core/dev.c:9787)
[   24.565518][  T816]  ? netif_change_name (net/core/dev.c:1495)
[   24.565648][  T816]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.565777][  T816]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.565962][  T816]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.566092][  T816]  ? 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))
[   24.566226][  T816]  netif_change_flags (net/core/dev.c:9820)
[   24.566360][  T816]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.566493][  T816]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.566626][  T816]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.566758][  T816]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.566976][  T816]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.567107][  T816]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.567236][  T816]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.567369][  T816]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.567501][  T816]  ? __kernel_text_address (kernel/extable.c:79)
[   24.567633][  T816]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.567766][  T816]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.567984][  T816]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.568114][  T816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.568244][  T816]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.568376][  T816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.568506][  T816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.568636][  T816]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.568767][  T816]  ? __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)
[   24.568964][  T816]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.569093][  T816]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.569224][  T816]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.569361][  T816]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.569493][  T816]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.569625][  T816]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.569753][  T816]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.569939][  T816]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.570069][  T816]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.570197][  T816]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.570334][  T816]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.570462][  T816]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.570590][  T816]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.570720][  T816]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.570851][  T816]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.571039][  T816]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.571168][  T816]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.571297][  T816]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.571429][  T816]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.571558][  T816]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.571687][  T816]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.571816][  T816]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.571993][  T816]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.572123][  T816]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.572255][  T816]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.572387][  T816]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.572517][  T816]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.572646][  T816]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.572777][  T816]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.572914][  T816]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.573045][  T816]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.573175][  T816]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.573307][  T816]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.573444][  T816]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.573573][  T816]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.573735][  T816]  ? move_addr_to_kernel (net/socket.c:258)
[   24.573867][  T816]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.574002][  T816]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.574133][  T816]  ___sys_sendmsg (net/socket.c:2752)
[   24.574261][  T816]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.574428][  T816]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.574569][  T816]  __sys_sendmsg (net/socket.c:2784)
[   24.574701][  T816]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.574830][  T816]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.574997][  T816]  ? 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)
[   24.575127][  T816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.575258][  T816]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.575391][  T816]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.575522][  T816]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.575651][  T816]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.575815][  T816] RIP: 0033:0x7f731ca0508e
[   24.575958][  T816] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.576422][  T816] RSP: 002b:00007fff7021f9f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.576618][  T816] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f731ca0508e
[   24.576810][  T816] RDX: 0000000000000000 RSI: 00007fff7021faa0 RDI: 0000000000000005
[   24.577009][  T816] RBP: 00007fff7021fa00 R08: 0000000000000000 R09: 0000000000000000
[   24.577204][  T816] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1d
[   24.577399][  T816] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff70220170
| [   24.718272][  T824] ------------[ cut here ]------------
| [   24.718434][  T824] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/824
| [   24.718675][  T824] Modules linked in: ip6_gre ip_gre gre
| [   24.719085][  T824] Tainted: [W]=WARN
[   24.719183][  T824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.719352][  T824] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.719528][  T824] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.719992][  T824] RSP: 0018:ffa0000000aff060 EFLAGS: 00010286
[   24.720155][  T824] RAX: 00000000ffffffa6 RBX: ff1100000e726ac0 RCX: 1ff400000015fdd2
[   24.720351][  T824] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e726b7c
[   24.720541][  T824] RBP: ff1100000f6b9000 R08: 1fe2200001ce4d71 R09: ff1100000fdaae58
[   24.720731][  T824] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   24.720929][  T824] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000aff0f8
[   24.721122][  T824] FS:  00007f107292a840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   24.721353][  T824] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.721513][  T824] CR2: 0000000007aef988 CR3: 000000000f4cd005 CR4: 0000000000771ef0
[   24.721709][  T824] PKRU: 55555554
[   24.721805][  T824] Call Trace:
[   24.721907][  T824]  <TASK>
[   24.721976][  T824]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.722107][  T824]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.722206][  T824]  netif_close_many (net/core/dev.c:1804)
[   24.722337][  T824]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.722469][  T824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.722601][  T824]  ? __dev_close_many (net/core/dev.c:1781)
[   24.722732][  T824]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   24.722898][  T824]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   24.723059][  T824]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.723187][  T824]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.723316][  T824]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.723481][  T824]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.723609][  T824]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.723738][  T824]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   24.723905][  T824]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   24.724037][  T824]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   24.724168][  T824]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   24.724297][  T824]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.724429][  T824]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.724555][  T824]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.724682][  T824]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.724811][  T824]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.725020][  T824]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.725151][  T824]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.725279][  T824]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.725411][  T824]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.725538][  T824]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.725666][  T824]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   24.725797][  T824]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.725981][  T824]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.726113][  T824]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.726240][  T824]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.726375][  T824]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.726501][  T824]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.726630][  T824]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.726757][  T824]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.726973][  T824]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.727177][  T824]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.727307][  T824]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.727441][  T824]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.727570][  T824]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.727699][  T824]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.727830][  T824]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.728044][  T824]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.728177][  T824]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.728306][  T824]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.728439][  T824]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.728569][  T824]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.728699][  T824]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.728829][  T824]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.729034][  T824]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.729165][  T824]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.729293][  T824]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.729455][  T824]  ? move_addr_to_kernel (net/socket.c:258)
[   24.729584][  T824]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.729713][  T824]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.729842][  T824]  ___sys_sendmsg (net/socket.c:2752)
[   24.730056][  T824]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.730215][  T824]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.730358][  T824]  __sys_sendmsg (net/socket.c:2784)
[   24.730487][  T824]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.730614][  T824]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.730776][  T824]  ? 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)
[   24.730974][  T824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.731103][  T824]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.731234][  T824]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.731364][  T824]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.731494][  T824]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.731654][  T824] RIP: 0033:0x7f1072b6408e
[   24.731791][  T824] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.732276][  T824] RSP: 002b:00007ffeb16193b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.732474][  T824] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1072b6408e
[   24.732665][  T824] RDX: 0000000000000000 RSI: 00007ffeb1619460 RDI: 0000000000000005
[   24.732856][  T824] RBP: 00007ffeb16193c0 R08: 0000000000000000 R09: 0000000000000000
[   24.733056][  T824] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1d
[   24.733247][  T824] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb1619b30
| [   24.735393][  T824] ------------[ cut here ]------------
| [   24.735526][  T824] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/824
| [   24.735750][  T824] Modules linked in: ip6_gre ip_gre gre
| [   24.736575][  T824] Tainted: [W]=WARN
[   24.736669][  T824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.736823][  T824] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.736996][  T824] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.737436][  T824] RSP: 0018:ffa0000000aff190 EFLAGS: 00010286
[   24.737599][  T824] RAX: 00000000ffffffa6 RBX: ff1100000d369e00 RCX: 1ff400000015fdf8
[   24.737785][  T824] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d369ebc
[   24.737975][  T824] RBP: ff1100000f6b9000 R08: 1fe2200001a6d3d9 R09: ff1100000fdaae58
[   24.738160][  T824] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   24.738350][  T824] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.738535][  T824] FS:  00007f107292a840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   24.738751][  T824] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.738909][  T824] CR2: 0000000007aef988 CR3: 000000000f4cd005 CR4: 0000000000771ef0
[   24.739097][  T824] PKRU: 55555554
[   24.739191][  T824] Call Trace:
[   24.739283][  T824]  <TASK>
[   24.739350][  T824]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.739508][  T824]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.739662][  T824]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.739787][  T824]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.739916][  T824]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   24.740073][  T824]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   24.740201][  T824]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   24.740329][  T824]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.740450][  T824]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.740572][  T824]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.740696][  T824]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.740820][  T824]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.740972][  T824]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.741095][  T824]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.741217][  T824]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.741345][  T824]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.741469][  T824]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.741591][  T824]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   24.741714][  T824]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.741835][  T824]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.741963][  T824]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.742087][  T824]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.742209][  T824]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.742335][  T824]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.742458][  T824]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.742579][  T824]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.742701][  T824]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.742824][  T824]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.742960][  T824]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.743083][  T824]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.743205][  T824]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.743332][  T824]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.743457][  T824]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.743577][  T824]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.743701][  T824]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.743831][  T824]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.743962][  T824]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.744086][  T824]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.744210][  T824]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.744337][  T824]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.744464][  T824]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.744589][  T824]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.744713][  T824]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.744866][  T824]  ? move_addr_to_kernel (net/socket.c:258)
[   24.745003][  T824]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.745127][  T824]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.745251][  T824]  ___sys_sendmsg (net/socket.c:2752)
[   24.745379][  T824]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.745531][  T824]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.745666][  T824]  __sys_sendmsg (net/socket.c:2784)
[   24.745791][  T824]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.745919][  T824]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.746075][  T824]  ? 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)
[   24.746202][  T824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.746332][  T824]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.746456][  T824]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.746580][  T824]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.746710][  T824]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.746868][  T824] RIP: 0033:0x7f1072b6408e
[   24.747003][  T824] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.747447][  T824] RSP: 002b:00007ffeb16193b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.747635][  T824] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1072b6408e
[   24.747819][  T824] RDX: 0000000000000000 RSI: 00007ffeb1619460 RDI: 0000000000000005
[   24.748015][  T824] RBP: 00007ffeb16193c0 R08: 0000000000000000 R09: 0000000000000000
[   24.748200][  T824] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1d
[   24.748388][  T824] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb1619b30
| [   24.793158][  T825] ------------[ cut here ]------------
| [   24.793310][  T825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/825
| [   24.793549][  T825] Modules linked in: ip6_gre ip_gre gre
| [   24.794338][  T825] Tainted: [W]=WARN
[   24.794439][  T825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.794604][  T825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.794776][  T825] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.795251][  T825] RSP: 0018:ffa0000000b0f1b0 EFLAGS: 00010286
[   24.795422][  T825] RAX: 00000000ffffffa6 RBX: ff110000097c3e00 RCX: 1ff4000000161dfc
[   24.795617][  T825] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c3ebc
[   24.795812][  T825] RBP: ff11000009ab4000 R08: 1fe22000012f87d9 R09: ff1100000fdad180
[   24.796013][  T825] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.796209][  T825] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300e60
[   24.796412][  T825] FS:  00007fcdad31d840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   24.796643][  T825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.796809][  T825] CR2: 00007fcdad5f7cb0 CR3: 00000000104f6005 CR4: 0000000000771ef0
[   24.797011][  T825] PKRU: 55555554
[   24.797112][  T825] Call Trace:
[   24.797210][  T825]  <TASK>
[   24.797278][  T825]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.797414][  T825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.797513][  T825]  __dev_notify_flags (net/core/dev.c:9787)
[   24.797645][  T825]  ? netif_change_name (net/core/dev.c:1495)
[   24.797780][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.797921][  T825]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.798051][  T825]  ? nla_strscpy (lib/nlattr.c:795)
[   24.798186][  T825]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   24.798318][  T825]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.798455][  T825]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.798587][  T825]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.798724][  T825]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.798862][  T825]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.798998][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.799127][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.799259][  T825]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.799395][  T825]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.799527][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.799664][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.799796][  T825]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.799930][  T825]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.800061][  T825]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.800193][  T825]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.800328][  T825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.800461][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.800592][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.800723][  T825]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.800856][  T825]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.800992][  T825]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.801127][  T825]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.801260][  T825]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.801397][  T825]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.801530][  T825]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.801662][  T825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.801796][  T825]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.801932][  T825]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.802064][  T825]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.802197][  T825]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.802334][  T825]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.802466][  T825]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.802630][  T825]  ? move_addr_to_kernel (net/socket.c:258)
[   24.802767][  T825]  ___sys_sendmsg (net/socket.c:2752)
[   24.802904][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.803036][  T825]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.803176][  T825]  ? 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))
[   24.803310][  T825]  __sys_sendmsg (net/socket.c:2784)
[   24.803445][  T825]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.803581][  T825]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.803713][  T825]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.803848][  T825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.803986][  T825]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.804119][  T825]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.804253][  T825]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.804421][  T825] RIP: 0033:0x7fcdad55708e
[   24.804560][  T825] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.805030][  T825] RSP: 002b:00007ffeb01eeff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.805229][  T825] RAX: ffffffffffffffda RBX: 00007ffeb01ef7a0 RCX: 00007fcdad55708e
[   24.805431][  T825] RDX: 0000000000000000 RSI: 00007ffeb01ef0a0 RDI: 0000000000000005
[   24.805627][  T825] RBP: 00007ffeb01ef000 R08: 0000000000000000 R09: 0000000000000000
[   24.805824][  T825] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1e
[   24.806024][  T825] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb01ef760
| [   24.869340][  T827] ------------[ cut here ]------------
| [   24.869494][  T827] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/827
| [   24.869726][  T827] Modules linked in: ip6_gre ip_gre gre
| [   24.870136][  T827] Tainted: [W]=WARN
[   24.870235][  T827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.870403][  T827] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.870575][  T827] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.871045][  T827] RSP: 0018:ffa0000000b2f020 EFLAGS: 00010286
[   24.871208][  T827] RAX: 00000000ffffffa6 RBX: ff1100000d15fe00 RCX: 1ff4000000165dca
[   24.871405][  T827] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15febc
[   24.871598][  T827] RBP: ff11000009ab4000 R08: 1fe2200001a2bfd9 R09: ff1100000f16ae58
[   24.871790][  T827] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   24.871993][  T827] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.872192][  T827] FS:  00007f0c83b67840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   24.872424][  T827] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.872587][  T827] CR2: 00000000316b7988 CR3: 0000000010a2f001 CR4: 0000000000771ef0
[   24.872782][  T827] PKRU: 55555554
[   24.872888][  T827] Call Trace:
[   24.872986][  T827]  <TASK>
[   24.873053][  T827]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.873185][  T827]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.873283][  T827]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.873418][  T827]  __dev_notify_flags (net/core/dev.c:9787)
[   24.873549][  T827]  ? netif_change_name (net/core/dev.c:1495)
[   24.873680][  T827]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.873811][  T827]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.873949][  T827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.874081][  T827]  ? 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))
[   24.874217][  T827]  netif_change_flags (net/core/dev.c:9820)
[   24.874352][  T827]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.874483][  T827]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.874616][  T827]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.874747][  T827]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.874916][  T827]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.875048][  T827]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.875178][  T827]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.875309][  T827]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.875446][  T827]  ? __kernel_text_address (kernel/extable.c:79)
[   24.875578][  T827]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.875710][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.875840][  T827]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.875974][  T827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.876107][  T827]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.876236][  T827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.876369][  T827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.876499][  T827]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.876636][  T827]  ? __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)
[   24.876772][  T827]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.876967][  T827]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.877102][  T827]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.877239][  T827]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.877381][  T827]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.877519][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.877652][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.877787][  T827]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.877951][  T827]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.878085][  T827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.878221][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.878356][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.878486][  T827]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.878616][  T827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.878745][  T827]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.878877][  T827]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.879013][  T827]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.879142][  T827]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.879271][  T827]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.879406][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.879534][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.879665][  T827]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.879797][  T827]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.879931][  T827]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.880065][  T827]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.880196][  T827]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.880332][  T827]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.880466][  T827]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.880599][  T827]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.880731][  T827]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.880862][  T827]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.880997][  T827]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.881129][  T827]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.881260][  T827]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.881393][  T827]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.881556][  T827]  ? move_addr_to_kernel (net/socket.c:258)
[   24.881686][  T827]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.881815][  T827]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.881951][  T827]  ___sys_sendmsg (net/socket.c:2752)
[   24.882079][  T827]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.882242][  T827]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.882391][  T827]  __sys_sendmsg (net/socket.c:2784)
[   24.882523][  T827]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.882652][  T827]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.882815][  T827]  ? 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)
[   24.882952][  T827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.883085][  T827]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.883215][  T827]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.883349][  T827]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.883480][  T827]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.883642][  T827] RIP: 0033:0x7f0c83da108e
[   24.883781][  T827] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.884252][  T827] RSP: 002b:00007ffe16cb07d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.884454][  T827] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0c83da108e
[   24.884649][  T827] RDX: 0000000000000000 RSI: 00007ffe16cb0880 RDI: 0000000000000005
[   24.884847][  T827] RBP: 00007ffe16cb07e0 R08: 0000000000000000 R09: 0000000000000000
[   24.885048][  T827] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1e
[   24.885242][  T827] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe16cb0f50
| [   24.985909][  T834] ------------[ cut here ]------------
| [   24.986068][  T834] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/834
| [   24.986302][  T834] Modules linked in: ip6_gre ip_gre gre
| [   24.986709][  T834] Tainted: [W]=WARN
[   24.986808][  T834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.986978][  T834] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.987148][  T834] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.987627][  T834] RSP: 0018:ffa0000000b6f020 EFLAGS: 00010286
[   24.987795][  T834] RAX: 00000000ffffffa6 RBX: ff110000097c23c0 RCX: 1ff400000016ddca
[   24.987998][  T834] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c247c
[   24.988199][  T834] RBP: ff11000009ab4000 R08: 1fe22000012f8491 R09: ff11000009c22e58
[   24.988396][  T834] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   24.988588][  T834] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.988783][  T834] FS:  00007f633326e840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   24.989014][  T834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.989177][  T834] CR2: 000000002acd6988 CR3: 000000000fcd0005 CR4: 0000000000771ef0
[   24.989376][  T834] PKRU: 55555554
[   24.989472][  T834] Call Trace:
[   24.989570][  T834]  <TASK>
[   24.989638][  T834]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.989769][  T834]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.989871][  T834]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.990011][  T834]  __dev_notify_flags (net/core/dev.c:9787)
[   24.990144][  T834]  ? netif_change_name (net/core/dev.c:1495)
[   24.990274][  T834]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   24.990409][  T834]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.990539][  T834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.990671][  T834]  ? 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))
[   24.990805][  T834]  netif_change_flags (net/core/dev.c:9820)
[   24.990942][  T834]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.991073][  T834]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.991206][  T834]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.991340][  T834]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.991502][  T834]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.991634][  T834]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.991763][  T834]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.991899][  T834]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.992034][  T834]  ? __kernel_text_address (kernel/extable.c:79)
[   24.992169][  T834]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.992305][  T834]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.992445][  T834]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.992582][  T834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.992716][  T834]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.992850][  T834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.992985][  T834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.993115][  T834]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.993247][  T834]  ? __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)
[   24.993384][  T834]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.993515][  T834]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.993648][  T834]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.993780][  T834]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.993919][  T834]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.994051][  T834]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.994180][  T834]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.994312][  T834]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.994448][  T834]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.994580][  T834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.994712][  T834]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.994841][  T834]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.994977][  T834]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.995108][  T834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.995239][  T834]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.995374][  T834]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.995505][  T834]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.995635][  T834]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.995764][  T834]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.995901][  T834]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.996031][  T834]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.996162][  T834]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.996293][  T834]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.996427][  T834]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.996559][  T834]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.996690][  T834]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.996821][  T834]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.996959][  T834]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.997090][  T834]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.997221][  T834]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.997356][  T834]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.997487][  T834]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.997619][  T834]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.997750][  T834]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.997881][  T834]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.998048][  T834]  ? move_addr_to_kernel (net/socket.c:258)
[   24.998178][  T834]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.998309][  T834]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.998447][  T834]  ___sys_sendmsg (net/socket.c:2752)
[   24.998577][  T834]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.998740][  T834]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.998881][  T834]  __sys_sendmsg (net/socket.c:2784)
[   24.999023][  T834]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.999152][  T834]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.999317][  T834]  ? 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)
[   24.999453][  T834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.999586][  T834]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.999716][  T834]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.999845][  T834]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.999980][  T834]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.000141][  T834] RIP: 0033:0x7f63334a808e
[   25.000278][  T834] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.000743][  T834] RSP: 002b:00007fff740a2740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.000944][  T834] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f63334a808e
[   25.001140][  T834] RDX: 0000000000000000 RSI: 00007fff740a27f0 RDI: 0000000000000005
[   25.001337][  T834] RBP: 00007fff740a2750 R08: 0000000000000000 R09: 0000000000000000
[   25.001532][  T834] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1e
[   25.001726][  T834] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff740a2ec0
| [   25.075529][  T836] ------------[ cut here ]------------
| [   25.075718][  T836] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/836
| [   25.076614][  T836] Modules linked in: ip6_gre ip_gre gre
| [   25.077122][  T836] Tainted: [W]=WARN
[   25.077267][  T836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.077497][  T836] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.077713][  T836] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.078226][  T836] RSP: 0018:ffa0000000b8f020 EFLAGS: 00010286
[   25.078449][  T836] RAX: 00000000ffffffa6 RBX: ff1100000be39c40 RCX: 1ff4000000171dca
[   25.078694][  T836] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be39cfc
[   25.078961][  T836] RBP: ff11000009ab4000 R08: 1fe22000017c73a1 R09: ff110000101c2e58
[   25.079201][  T836] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   25.079447][  T836] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.079695][  T836] FS:  00007f59e0042840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   25.079983][  T836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.080194][  T836] CR2: 00007f59e03121a0 CR3: 000000000be18002 CR4: 0000000000771ef0
[   25.080443][  T836] PKRU: 55555554
[   25.080585][  T836] Call Trace:
[   25.080728][  T836]  <TASK>
[   25.080841][  T836]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.081032][  T836]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.081179][  T836]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.081365][  T836]  __dev_notify_flags (net/core/dev.c:9787)
[   25.081545][  T836]  ? netif_change_name (net/core/dev.c:1495)
[   25.081722][  T836]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.081910][  T836]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.082084][  T836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.082262][  T836]  ? 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))
[   25.082451][  T836]  netif_change_flags (net/core/dev.c:9820)
[   25.082629][  T836]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.082808][  T836]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.083002][  T836]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.083180][  T836]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.083397][  T836]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.083574][  T836]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.083749][  T836]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.083936][  T836]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.084112][  T836]  ? __kernel_text_address (kernel/extable.c:79)
[   25.084288][  T836]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.084470][  T836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.084646][  T836]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.084820][  T836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.085008][  T836]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.085184][  T836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.085367][  T836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.085543][  T836]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.085721][  T836]  ? __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)
[   25.085908][  T836]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.086085][  T836]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.086262][  T836]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.086454][  T836]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.086634][  T836]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.086813][  T836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.086999][  T836]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.087177][  T836]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.087360][  T836]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.087537][  T836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.087716][  T836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.087903][  T836]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.088078][  T836]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.088253][  T836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.088433][  T836]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.088610][  T836]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.088787][  T836]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.088974][  T836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.089149][  T836]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.089334][  T836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.089510][  T836]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.089686][  T836]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.089861][  T836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.090051][  T836]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.090230][  T836]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.090412][  T836]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.090590][  T836]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.090768][  T836]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.090958][  T836]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.091136][  T836]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.091317][  T836]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.091504][  T836]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.091683][  T836]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.091861][  T836]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.092050][  T836]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.092255][  T836]  ? move_addr_to_kernel (net/socket.c:258)
[   25.092441][  T836]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.092623][  T836]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.092801][  T836]  ___sys_sendmsg (net/socket.c:2752)
[   25.092990][  T836]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.093196][  T836]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.093391][  T836]  __sys_sendmsg (net/socket.c:2784)
[   25.093570][  T836]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.093746][  T836]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.093969][  T836]  ? 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)
[   25.094148][  T836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.094331][  T836]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.094508][  T836]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.094683][  T836]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.094859][  T836]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.095077][  T836] RIP: 0033:0x7f59e027c08e
[   25.095260][  T836] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.095772][  T836] RSP: 002b:00007ffe0c18abf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.096026][  T836] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f59e027c08e
[   25.096265][  T836] RDX: 0000000000000000 RSI: 00007ffe0c18aca0 RDI: 0000000000000005
[   25.096518][  T836] RBP: 00007ffe0c18ac00 R08: 0000000000000000 R09: 0000000000000000
[   25.096756][  T836] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1e
[   25.097008][  T836] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0c18b370
| [   25.226305][  T844] ------------[ cut here ]------------
| [   25.226501][  T844] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/844
| [   25.226768][  T844] Modules linked in: ip6_gre ip_gre gre
| [   25.227383][  T844] Tainted: [W]=WARN
[   25.227578][  T844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.227835][  T844] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.228113][  T844] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.228675][  T844] RSP: 0018:ffa0000000c0f060 EFLAGS: 00010286
[   25.228948][  T844] RAX: 00000000ffffffa6 RBX: ff110000052ebe00 RCX: 1ff4000000181dd2
[   25.229233][  T844] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052ebebc
[   25.229532][  T844] RBP: ff11000009ab4000 R08: 1fe2200000a5d7d9 R09: ff11000009808b58
[   25.229818][  T844] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   25.230112][  T844] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000c0f0f8
[   25.230440][  T844] FS:  00007fd676533840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   25.230790][  T844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.231087][  T844] CR2: 000000000e9cc988 CR3: 000000000fcd0002 CR4: 0000000000771ef0
[   25.231347][  T844] PKRU: 55555554
[   25.231487][  T844] Call Trace:
[   25.231629][  T844]  <TASK>
[   25.231744][  T844]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.231932][  T844]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.232076][  T844]  netif_close_many (net/core/dev.c:1804)
[   25.232250][  T844]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.232429][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.232605][  T844]  ? __dev_close_many (net/core/dev.c:1781)
[   25.232777][  T844]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.232994][  T844]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.233209][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.233388][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.233562][  T844]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.233764][  T844]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.233949][  T844]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.234121][  T844]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.234332][  T844]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   25.234508][  T844]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   25.234684][  T844]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.234858][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.235040][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.235214][  T844]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.235396][  T844]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.235566][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.235757][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.235938][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.236111][  T844]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.236283][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.236464][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.236636][  T844]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   25.236809][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.236995][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.237169][  T844]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.237348][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.237520][  T844]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.237694][  T844]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.237867][  T844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.238051][  T844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.238224][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.238406][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.238595][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.238771][  T844]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.238955][  T844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.239129][  T844]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.239305][  T844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.239485][  T844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.239664][  T844]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.239839][  T844]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.240025][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.240200][  T844]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.240385][  T844]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.240561][  T844]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.240739][  T844]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.240923][  T844]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.241098][  T844]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.241299][  T844]  ? move_addr_to_kernel (net/socket.c:258)
[   25.241483][  T844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.241655][  T844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.241829][  T844]  ___sys_sendmsg (net/socket.c:2752)
[   25.242014][  T844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.242218][  T844]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.242412][  T844]  __sys_sendmsg (net/socket.c:2784)
[   25.242585][  T844]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.242756][  T844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.242975][  T844]  ? 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)
[   25.243149][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.243330][  T844]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.243506][  T844]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.243683][  T844]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.243858][  T844]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.244073][  T844] RIP: 0033:0x7fd67676d08e
[   25.244252][  T844] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.244748][  T844] RSP: 002b:00007ffe3533c9d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.244995][  T844] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd67676d08e
[   25.245229][  T844] RDX: 0000000000000000 RSI: 00007ffe3533ca80 RDI: 0000000000000005
[   25.245469][  T844] RBP: 00007ffe3533c9e0 R08: 0000000000000000 R09: 0000000000000000
[   25.245702][  T844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1e
[   25.245951][  T844] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3533d150
| [   25.248498][  T844] ------------[ cut here ]------------
| [   25.248638][  T844] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/844
| [   25.248853][  T844] Modules linked in: ip6_gre ip_gre gre
| [   25.249241][  T844] Tainted: [W]=WARN
[   25.249337][  T844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.249488][  T844] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.249645][  T844] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.250081][  T844] RSP: 0018:ffa0000000c0f190 EFLAGS: 00010286
[   25.250235][  T844] RAX: 00000000ffffffa6 RBX: ff110000052eb380 RCX: 1ff4000000181df8
[   25.250420][  T844] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052eb43c
[   25.250602][  T844] RBP: ff11000009ab4000 R08: 1fe2200000a5d689 R09: ff11000009808b58
[   25.250781][  T844] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.250970][  T844] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.251152][  T844] FS:  00007fd676533840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   25.251368][  T844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.251518][  T844] CR2: 00007fefe09f8574 CR3: 000000000fcd0003 CR4: 0000000000771ef0
[   25.251700][  T844] PKRU: 55555554
[   25.251791][  T844] Call Trace:
[   25.251881][  T844]  <TASK>
[   25.251951][  T844]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.252108][  T844]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.252258][  T844]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.252384][  T844]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.252504][  T844]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.252657][  T844]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   25.252783][  T844]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.252912][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.253032][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.253154][  T844]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.253274][  T844]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.253400][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.253539][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.253661][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.253781][  T844]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.253909][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.254029][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.254149][  T844]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   25.254273][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.254395][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.254516][  T844]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.254641][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.254764][  T844]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.254893][  T844]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.255017][  T844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.255138][  T844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.255259][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.255387][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.255508][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.255631][  T844]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.255753][  T844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.255875][  T844]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.256007][  T844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.256127][  T844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.256250][  T844]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.256379][  T844]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.256504][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.256626][  T844]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.256751][  T844]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.256874][  T844]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.257004][  T844]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.257125][  T844]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.257248][  T844]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.257405][  T844]  ? move_addr_to_kernel (net/socket.c:258)
[   25.257526][  T844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.257648][  T844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.257771][  T844]  ___sys_sendmsg (net/socket.c:2752)
[   25.257897][  T844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.258050][  T844]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.258184][  T844]  __sys_sendmsg (net/socket.c:2784)
[   25.258307][  T844]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.258433][  T844]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.258586][  T844]  ? 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)
[   25.258708][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.258830][  T844]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.258957][  T844]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.259078][  T844]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.259201][  T844]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.259358][  T844] RIP: 0033:0x7fd67676d08e
[   25.259486][  T844] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.259928][  T844] RSP: 002b:00007ffe3533c9d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.260115][  T844] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd67676d08e
[   25.260296][  T844] RDX: 0000000000000000 RSI: 00007ffe3533ca80 RDI: 0000000000000005
[   25.260482][  T844] RBP: 00007ffe3533c9e0 R08: 0000000000000000 R09: 0000000000000000
[   25.260664][  T844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1e
[   25.260846][  T844] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3533d150
| [   25.307382][  T845] ------------[ cut here ]------------
| [   25.307562][  T845] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/845
| [   25.307837][  T845] Modules linked in: ip6_gre ip_gre gre
| [   25.308349][  T845] Tainted: [W]=WARN
[   25.308494][  T845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.308705][  T845] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.308933][  T845] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.309452][  T845] RSP: 0018:ffa0000000c1f1b0 EFLAGS: 00010286
[   25.309665][  T845] RAX: 00000000ffffffa6 RBX: ff1100000d15f380 RCX: 1ff4000000183dfc
[   25.309917][  T845] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15f43c
[   25.310159][  T845] RBP: ff11000008bd1000 R08: 1fe2200001a2be89 R09: ff1100000980ae80
[   25.310407][  T845] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.310648][  T845] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300e60
[   25.310903][  T845] FS:  00007fc56dcb5840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   25.311178][  T845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.311396][  T845] CR2: 00007fc56df90010 CR3: 000000000e017004 CR4: 0000000000771ef0
[   25.311639][  T845] PKRU: 55555554
[   25.311783][  T845] Call Trace:
[   25.311935][  T845]  <TASK>
[   25.312050][  T845]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.312230][  T845]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.312387][  T845]  __dev_notify_flags (net/core/dev.c:9787)
[   25.312570][  T845]  ? netif_change_name (net/core/dev.c:1495)
[   25.312748][  T845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.312939][  T845]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.313119][  T845]  ? nla_strscpy (lib/nlattr.c:795)
[   25.313301][  T845]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   25.313490][  T845]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.313668][  T845]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.313845][  T845]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.314041][  T845]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.314225][  T845]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.314414][  T845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.314592][  T845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.314770][  T845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.314961][  T845]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.315138][  T845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.315319][  T845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.315506][  T845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.315684][  T845]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.315861][  T845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.316051][  T845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.316231][  T845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.316419][  T845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.316597][  T845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.316777][  T845]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.316967][  T845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.317150][  T845]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.317338][  T845]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.317517][  T845]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.317701][  T845]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.317881][  T845]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.318072][  T845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.318251][  T845]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.318435][  T845]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.318614][  T845]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.318793][  T845]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.318984][  T845]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.319165][  T845]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.319381][  T845]  ? move_addr_to_kernel (net/socket.c:258)
[   25.319562][  T845]  ___sys_sendmsg (net/socket.c:2752)
[   25.319739][  T845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.319929][  T845]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.320117][  T845]  ? 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))
[   25.320302][  T845]  __sys_sendmsg (net/socket.c:2784)
[   25.320490][  T845]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.320672][  T845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.320851][  T845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.321040][  T845]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.321218][  T845]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.321401][  T845]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.321579][  T845]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.321790][  T845] RIP: 0033:0x7fc56deef08e
[   25.321985][  T845] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.322505][  T845] RSP: 002b:00007ffd134d2510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.322751][  T845] RAX: ffffffffffffffda RBX: 00007ffd134d2cc0 RCX: 00007fc56deef08e
[   25.323007][  T845] RDX: 0000000000000000 RSI: 00007ffd134d25c0 RDI: 0000000000000005
[   25.323249][  T845] RBP: 00007ffd134d2520 R08: 0000000000000000 R09: 0000000000000000
[   25.323497][  T845] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1e
[   25.323738][  T845] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd134d2c80
| [   25.391632][  T847] ------------[ cut here ]------------
| [   25.391787][  T847] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/847
| [   25.392669][  T847] Modules linked in: ip6_gre ip_gre gre
| [   25.393105][  T847] Tainted: [W]=WARN
[   25.393203][  T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.393373][  T847] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.393544][  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
[   25.394008][  T847] RSP: 0018:ffa0000000c2f020 EFLAGS: 00010286
[   25.394175][  T847] RAX: 00000000ffffffa6 RBX: ff110000097c3380 RCX: 1ff4000000185dca
[   25.394374][  T847] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c343c
[   25.394565][  T847] RBP: ff11000008bd1000 R08: 1fe22000012f8689 R09: ff11000010692e58
[   25.394756][  T847] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   25.394953][  T847] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.395149][  T847] FS:  00007f1b35983840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   25.395378][  T847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.395540][  T847] CR2: 0000000024542988 CR3: 000000000fcd0003 CR4: 0000000000771ef0
[   25.395736][  T847] PKRU: 55555554
[   25.395834][  T847] Call Trace:
[   25.395933][  T847]  <TASK>
[   25.396001][  T847]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.396131][  T847]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.396232][  T847]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.396367][  T847]  __dev_notify_flags (net/core/dev.c:9787)
[   25.396497][  T847]  ? netif_change_name (net/core/dev.c:1495)
[   25.396627][  T847]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.396754][  T847]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.396883][  T847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.397019][  T847]  ? 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))
[   25.397149][  T847]  netif_change_flags (net/core/dev.c:9820)
[   25.397279][  T847]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.397414][  T847]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.397546][  T847]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.397675][  T847]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.397836][  T847]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.397971][  T847]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.398101][  T847]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.398229][  T847]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.398364][  T847]  ? __kernel_text_address (kernel/extable.c:79)
[   25.398493][  T847]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.398624][  T847]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.398752][  T847]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.398889][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.399020][  T847]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.399147][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.399275][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.399407][  T847]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.399538][  T847]  ? __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)
[   25.399666][  T847]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.399795][  T847]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.399931][  T847]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.400063][  T847]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.400196][  T847]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.400330][  T847]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.400457][  T847]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.400585][  T847]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.400714][  T847]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.400842][  T847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.400978][  T847]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.401106][  T847]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.401234][  T847]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.401368][  T847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.401498][  T847]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.401629][  T847]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.401759][  T847]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.401892][  T847]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.402021][  T847]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.402151][  T847]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.402278][  T847]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.402410][  T847]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.402540][  T847]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.402670][  T847]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.402803][  T847]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.402939][  T847]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.403071][  T847]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.403200][  T847]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.403334][  T847]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.403464][  T847]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.403596][  T847]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.403725][  T847]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.403858][  T847]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.403995][  T847]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.404127][  T847]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.404288][  T847]  ? move_addr_to_kernel (net/socket.c:258)
[   25.404420][  T847]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.404548][  T847]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.404678][  T847]  ___sys_sendmsg (net/socket.c:2752)
[   25.404807][  T847]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.404974][  T847]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.405116][  T847]  __sys_sendmsg (net/socket.c:2784)
[   25.405247][  T847]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.405381][  T847]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.405543][  T847]  ? 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)
[   25.405672][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.405804][  T847]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.405939][  T847]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.406068][  T847]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.406197][  T847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.406363][  T847] RIP: 0033:0x7f1b35bbd08e
[   25.406498][  T847] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.406959][  T847] RSP: 002b:00007ffd7c94de40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.407154][  T847] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1b35bbd08e
[   25.407351][  T847] RDX: 0000000000000000 RSI: 00007ffd7c94def0 RDI: 0000000000000005
[   25.407543][  T847] RBP: 00007ffd7c94de50 R08: 0000000000000000 R09: 0000000000000000
[   25.407735][  T847] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1e
[   25.407931][  T847] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7c94e5c0
| [   25.513395][  T854] ------------[ cut here ]------------
| [   25.513592][  T854] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/854
| [   25.513864][  T854] Modules linked in: ip6_gre ip_gre gre
| [   25.514367][  T854] Tainted: [W]=WARN
[   25.514509][  T854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.514713][  T854] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.515618][  T854] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.516197][  T854] RSP: 0018:ffa0000000c8f020 EFLAGS: 00010286
[   25.516464][  T854] RAX: 00000000ffffffa6 RBX: ff1100000c1083c0 RCX: 1ff4000000191dca
[   25.516697][  T854] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c10847c
[   25.516945][  T854] RBP: ff11000008bd1000 R08: 1fe2200001821091 R09: ff1100000e3fd158
[   25.517191][  T854] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   25.517429][  T854] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.517664][  T854] FS:  00007f94bc7b9840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   25.517943][  T854] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.518151][  T854] CR2: 0000000017c3b988 CR3: 0000000009a13006 CR4: 0000000000771ef0
[   25.518394][  T854] PKRU: 55555554
[   25.518535][  T854] Call Trace:
[   25.518675][  T854]  <TASK>
[   25.518786][  T854]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.518971][  T854]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.519114][  T854]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.519286][  T854]  __dev_notify_flags (net/core/dev.c:9787)
[   25.519469][  T854]  ? netif_change_name (net/core/dev.c:1495)
[   25.519642][  T854]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   25.519815][  T854]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.519997][  T854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.520170][  T854]  ? 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))
[   25.520353][  T854]  netif_change_flags (net/core/dev.c:9820)
[   25.520527][  T854]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.520705][  T854]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.520880][  T854]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.521065][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.521270][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.521450][  T854]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.521622][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.521795][  T854]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.521982][  T854]  ? __kernel_text_address (kernel/extable.c:79)
[   25.522156][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.522337][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.522510][  T854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.522683][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.522854][  T854]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.523038][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.523212][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.523393][  T854]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.523565][  T854]  ? __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)
[   25.523737][  T854]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.523921][  T854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.524096][  T854]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.524270][  T854]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.524453][  T854]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.524630][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.524799][  T854]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.524983][  T854]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.525156][  T854]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.525333][  T854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.525511][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.525680][  T854]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.525854][  T854]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.526039][  T854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.526212][  T854]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.526394][  T854]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.526566][  T854]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.526740][  T854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.526925][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.527099][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.527272][  T854]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.527454][  T854]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.527628][  T854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.527801][  T854]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.527989][  T854]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.528160][  T854]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.528343][  T854]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.528521][  T854]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.528693][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.528867][  T854]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.529054][  T854]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.529228][  T854]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.529414][  T854]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.529589][  T854]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.529761][  T854]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.529978][  T854]  ? move_addr_to_kernel (net/socket.c:258)
[   25.530150][  T854]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.530329][  T854]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.530503][  T854]  ___sys_sendmsg (net/socket.c:2752)
[   25.530675][  T854]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.530877][  T854]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.531073][  T854]  __sys_sendmsg (net/socket.c:2784)
[   25.531248][  T854]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.531428][  T854]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.531635][  T854]  ? 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)
[   25.531807][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.531993][  T854]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.532166][  T854]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.532344][  T854]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.532522][  T854]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.532725][  T854] RIP: 0033:0x7f94bc9f308e
[   25.532914][  T854] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.533409][  T854] RSP: 002b:00007ffe396540f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.533648][  T854] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f94bc9f308e
[   25.533894][  T854] RDX: 0000000000000000 RSI: 00007ffe396541a0 RDI: 0000000000000005
[   25.534127][  T854] RBP: 00007ffe39654100 R08: 0000000000000000 R09: 0000000000000000
[   25.534367][  T854] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1e
[   25.534603][  T854] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe39654870
| [   25.600349][  T856] ------------[ cut here ]------------
| [   25.600534][  T856] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/856
| [   25.600798][  T856] Modules linked in: ip6_gre ip_gre gre
| [   25.601869][  T856] Tainted: [W]=WARN
[   25.602022][  T856] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.602225][  T856] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.602444][  T856] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.602949][  T856] RSP: 0018:ffa0000000caf020 EFLAGS: 00010286
[   25.603154][  T856] RAX: 00000000ffffffa6 RBX: ff1100000c109c40 RCX: 1ff4000000195dca
[   25.603392][  T856] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c109cfc
[   25.603622][  T856] RBP: ff11000008bd1000 R08: 1fe22000018213a1 R09: ff1100000a9fd158
[   25.603853][  T856] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   25.604099][  T856] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.604340][  T856] FS:  00007fabbe5bc840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   25.604604][  T856] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.604809][  T856] CR2: 00000000293ec988 CR3: 00000000106c6002 CR4: 0000000000771ef0
[   25.605055][  T856] PKRU: 55555554
[   25.605193][  T856] Call Trace:
[   25.605340][  T856]  <TASK>
[   25.605452][  T856]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.605625][  T856]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.605765][  T856]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.605947][  T856]  __dev_notify_flags (net/core/dev.c:9787)
[   25.606121][  T856]  ? netif_change_name (net/core/dev.c:1495)
[   25.606291][  T856]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.606468][  T856]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.606640][  T856]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.606812][  T856]  ? 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))
[   25.606996][  T856]  netif_change_flags (net/core/dev.c:9820)
[   25.607170][  T856]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.607349][  T856]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.607524][  T856]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.607697][  T856]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.607914][  T856]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.608086][  T856]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.608255][  T856]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.608429][  T856]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.608600][  T856]  ? __kernel_text_address (kernel/extable.c:79)
[   25.608772][  T856]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.608958][  T856]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.609129][  T856]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.609301][  T856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.609484][  T856]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.609655][  T856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.609828][  T856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.610013][  T856]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.610187][  T856]  ? __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)
[   25.610365][  T856]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.610538][  T856]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.610711][  T856]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.610897][  T856]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.611071][  T856]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.611244][  T856]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.611421][  T856]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.611593][  T856]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.611763][  T856]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.611944][  T856]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.612118][  T856]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.612289][  T856]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.612464][  T856]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.612633][  T856]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.612806][  T856]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.612989][  T856]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.613161][  T856]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.613336][  T856]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.613508][  T856]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.613684][  T856]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.613854][  T856]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.614040][  T856]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.614212][  T856]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.614391][  T856]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.614566][  T856]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.614737][  T856]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.614927][  T856]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.615102][  T856]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.615278][  T856]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.615458][  T856]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.615633][  T856]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.615807][  T856]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.615994][  T856]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.616168][  T856]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.616347][  T856]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.616554][  T856]  ? move_addr_to_kernel (net/socket.c:258)
[   25.616732][  T856]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.616919][  T856]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.617095][  T856]  ___sys_sendmsg (net/socket.c:2752)
[   25.617268][  T856]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.617481][  T856]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.617668][  T856]  __sys_sendmsg (net/socket.c:2784)
[   25.617842][  T856]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.618024][  T856]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.618229][  T856]  ? 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)
[   25.618412][  T856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.618590][  T856]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.618766][  T856]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.618953][  T856]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.619128][  T856]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.619340][  T856] RIP: 0033:0x7fabbe7f608e
[   25.619523][  T856] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.620045][  T856] RSP: 002b:00007ffea5ec2e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.620286][  T856] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fabbe7f608e
[   25.620531][  T856] RDX: 0000000000000000 RSI: 00007ffea5ec2ee0 RDI: 0000000000000005
[   25.620764][  T856] RBP: 00007ffea5ec2e40 R08: 0000000000000000 R09: 0000000000000000
[   25.621015][  T856] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1e
[   25.621261][  T856] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea5ec35b0
| [   25.752371][  T864] ------------[ cut here ]------------
| [   25.752566][  T864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/864
| [   25.752837][  T864] Modules linked in: ip6_gre ip_gre gre
| [   25.753337][  T864] Tainted: [W]=WARN
[   25.753479][  T864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.753683][  T864] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.753905][  T864] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.754396][  T864] RSP: 0018:ffa0000000d1f060 EFLAGS: 00010286
[   25.754601][  T864] RAX: 00000000ffffffa6 RBX: ff1100000c991000 RCX: 1ff40000001a3dd2
[   25.754834][  T864] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9910bc
[   25.755084][  T864] RBP: ff11000008bd1000 R08: 1fe2200001932219 R09: ff1100000f2e8b58
[   25.755314][  T864] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   25.755554][  T864] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000d1f0f8
[   25.755792][  T864] FS:  00007f346743e840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   25.756071][  T864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.756274][  T864] CR2: 000000002b2f2988 CR3: 000000000f1d8002 CR4: 0000000000771ef0
[   25.756516][  T864] PKRU: 55555554
[   25.756656][  T864] Call Trace:
[   25.756794][  T864]  <TASK>
[   25.756916][  T864]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.757093][  T864]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.757236][  T864]  netif_close_many (net/core/dev.c:1804)
[   25.757421][  T864]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.757595][  T864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.757769][  T864]  ? __dev_close_many (net/core/dev.c:1781)
[   25.757957][  T864]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.758159][  T864]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.758370][  T864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.758540][  T864]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.758713][  T864]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.758924][  T864]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.759098][  T864]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.759268][  T864]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.759479][  T864]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   25.759654][  T864]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   25.759828][  T864]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.760014][  T864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.760185][  T864]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.760363][  T864]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.760533][  T864]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.760702][  T864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.760905][  T864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.761076][  T864]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.761245][  T864]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.761422][  T864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.761593][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.761764][  T864]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   25.761949][  T864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.762120][  T864]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.762290][  T864]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.762465][  T864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.762637][  T864]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.762809][  T864]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.762991][  T864]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.763162][  T864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.763340][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.763514][  T864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.763682][  T864]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.763854][  T864]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.764037][  T864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.764206][  T864]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.764392][  T864]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.764560][  T864]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.764735][  T864]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.764917][  T864]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.765087][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.765258][  T864]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.765434][  T864]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.765605][  T864]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.765778][  T864]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.765962][  T864]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.766134][  T864]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.766342][  T864]  ? move_addr_to_kernel (net/socket.c:258)
[   25.766514][  T864]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.766686][  T864]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.766858][  T864]  ___sys_sendmsg (net/socket.c:2752)
[   25.767042][  T864]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.767244][  T864]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.767433][  T864]  __sys_sendmsg (net/socket.c:2784)
[   25.767607][  T864]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.767774][  T864]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.767991][  T864]  ? 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)
[   25.768164][  T864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.768345][  T864]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.768517][  T864]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.768690][  T864]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.768866][  T864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.769084][  T864] RIP: 0033:0x7f346767808e
[   25.769264][  T864] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.769761][  T864] RSP: 002b:00007ffd34e1ab10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.770013][  T864] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f346767808e
[   25.770245][  T864] RDX: 0000000000000000 RSI: 00007ffd34e1abc0 RDI: 0000000000000005
[   25.770486][  T864] RBP: 00007ffd34e1ab20 R08: 0000000000000000 R09: 0000000000000000
[   25.770719][  T864] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1f
[   25.770964][  T864] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd34e1b290
| [   25.773716][  T864] ------------[ cut here ]------------
| [   25.773879][  T864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/864
| [   25.774158][  T864] Modules linked in: ip6_gre ip_gre gre
| [   25.774707][  T864] Tainted: [W]=WARN
[   25.774844][  T864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.775262][  T864] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.775529][  T864] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.776068][  T864] RSP: 0018:ffa0000000d1f190 EFLAGS: 00010286
[   25.776315][  T864] RAX: 00000000ffffffa6 RBX: ff1100000c991380 RCX: 1ff40000001a3df8
[   25.776601][  T864] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c99143c
[   25.776921][  T864] RBP: ff11000008bd1000 R08: 1fe2200001932289 R09: ff1100000f2e8b58
[   25.777225][  T864] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.777518][  T864] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.777828][  T864] FS:  00007f346743e840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   25.778177][  T864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.778430][  T864] CR2: 000000002b2f2988 CR3: 000000000f1d8002 CR4: 0000000000771ef0
[   25.778727][  T864] PKRU: 55555554
[   25.778924][  T864] Call Trace:
[   25.779057][  T864]  <TASK>
[   25.779167][  T864]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.779374][  T864]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.779571][  T864]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.779740][  T864]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.779920][  T864]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.780120][  T864]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   25.780291][  T864]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.780463][  T864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.780633][  T864]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.780801][  T864]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.780982][  T864]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.781150][  T864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.781341][  T864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.781508][  T864]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.781752][  T864]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.781934][  T864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.782102][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.782267][  T864]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   25.782521][  T864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.782691][  T864]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.782861][  T864]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.783119][  T864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.783290][  T864]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.783462][  T864]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.783629][  T864]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.783796][  T864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.784051][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.784221][  T864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.784394][  T864]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.784564][  T864]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.784810][  T864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.784993][  T864]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.785163][  T864]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.785336][  T864]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.785582][  T864]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.785752][  T864]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.785934][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.786103][  T864]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.786359][  T864]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.786528][  T864]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.786697][  T864]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.786866][  T864]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.787046][  T864]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.787241][  T864]  ? move_addr_to_kernel (net/socket.c:258)
[   25.787420][  T864]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.787667][  T864]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.787837][  T864]  ___sys_sendmsg (net/socket.c:2752)
[   25.788016][  T864]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.788212][  T864]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.788474][  T864]  __sys_sendmsg (net/socket.c:2784)
[   25.788645][  T864]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.788814][  T864]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.789028][  T864]  ? 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)
[   25.789273][  T864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.789453][  T864]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.789622][  T864]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.789788][  T864]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.790048][  T864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.790244][  T864] RIP: 0033:0x7f346767808e
[   25.790429][  T864] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.791002][  T864] RSP: 002b:00007ffd34e1ab10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.791231][  T864] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f346767808e
[   25.791547][  T864] RDX: 0000000000000000 RSI: 00007ffd34e1abc0 RDI: 0000000000000005
[   25.791773][  T864] RBP: 00007ffd34e1ab20 R08: 0000000000000000 R09: 0000000000000000
[   25.792092][  T864] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1f
[   25.792318][  T864] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd34e1b290
| [   25.835561][  T865] ------------[ cut here ]------------
| [   25.835754][  T865] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/865
| [   25.836045][  T865] Modules linked in: ip6_gre ip_gre gre
| [   25.836554][  T865] Tainted: [W]=WARN
[   25.836699][  T865] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.836924][  T865] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.837142][  T865] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.837658][  T865] RSP: 0018:ffa0000000d2f1b0 EFLAGS: 00010286
[   25.837871][  T865] RAX: 00000000ffffffa6 RBX: ff1100000c2d2040 RCX: 1ff40000001a5dfc
[   25.838126][  T865] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2d20fc
[   25.838370][  T865] RBP: ff11000008bb1000 R08: 1fe220000185a421 R09: ff1100000f2eae80
[   25.838608][  T865] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.838848][  T865] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300e60
[   25.839105][  T865] FS:  00007fcdde02c840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   25.839388][  T865] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.839598][  T865] CR2: 00007fcdde306cb0 CR3: 000000000f530004 CR4: 0000000000771ef0
[   25.839840][  T865] PKRU: 55555554
[   25.839995][  T865] Call Trace:
[   25.840139][  T865]  <TASK>
[   25.840252][  T865]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.840441][  T865]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.840587][  T865]  __dev_notify_flags (net/core/dev.c:9787)
[   25.840766][  T865]  ? netif_change_name (net/core/dev.c:1495)
[   25.840956][  T865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.841134][  T865]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.841316][  T865]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.841501][  T865]  ? nla_strscpy (lib/nlattr.c:795)
[   25.841684][  T865]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   25.841863][  T865]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.842053][  T865]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.842229][  T865]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.842422][  T865]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.842603][  T865]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.842781][  T865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.842970][  T865]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.843149][  T865]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.843331][  T865]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.843507][  T865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.843688][  T865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.843865][  T865]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.844055][  T865]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.844232][  T865]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.844419][  T865]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.844595][  T865]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.844774][  T865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.844962][  T865]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.845140][  T865]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.845317][  T865]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.845502][  T865]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.845682][  T865]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.845859][  T865]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.846050][  T865]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.846227][  T865]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.846410][  T865]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.846590][  T865]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.846769][  T865]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.846962][  T865]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.847146][  T865]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.847332][  T865]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.847508][  T865]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.847714][  T865]  ? move_addr_to_kernel (net/socket.c:258)
[   25.847908][  T865]  ___sys_sendmsg (net/socket.c:2752)
[   25.848085][  T865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.848262][  T865]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.848457][  T865]  ? 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))
[   25.848637][  T865]  __sys_sendmsg (net/socket.c:2784)
[   25.848814][  T865]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.849004][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.849182][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.849366][  T865]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.849545][  T865]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.849723][  T865]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.849916][  T865]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.850124][  T865] RIP: 0033:0x7fcdde26608e
[   25.850306][  T865] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.850817][  T865] RSP: 002b:00007ffea924a0b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.851076][  T865] RAX: ffffffffffffffda RBX: 00007ffea924a860 RCX: 00007fcdde26608e
[   25.851316][  T865] RDX: 0000000000000000 RSI: 00007ffea924a160 RDI: 0000000000000005
[   25.851562][  T865] RBP: 00007ffea924a0c0 R08: 0000000000000000 R09: 0000000000000000
[   25.851800][  T865] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1f
[   25.852054][  T865] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea924a820
| [   25.960600][  T868] ------------[ cut here ]------------
| [   25.960803][  T868] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/868
| [   25.961087][  T868] Modules linked in: ip6_gre ip_gre gre
| [   25.961595][  T868] Tainted: [W]=WARN
[   25.961737][  T868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.961955][  T868] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.962169][  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
[   25.962676][  T868] RSP: 0018:ffa0000000d5f020 EFLAGS: 00010286
[   25.962899][  T868] RAX: 00000000ffffffa6 RBX: ff1100000e175a80 RCX: 1ff40000001abdca
[   25.963133][  T868] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e175b3c
[   25.963377][  T868] RBP: ff11000008bb1000 R08: 1fe2200001c2eb69 R09: ff1100000f1fae58
[   25.963619][  T868] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   25.963860][  T868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.964121][  T868] FS:  00007fc12e75c840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   25.964406][  T868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.964616][  T868] CR2: 00000000304ef988 CR3: 000000000f572003 CR4: 0000000000771ef0
[   25.964856][  T868] PKRU: 55555554
[   25.965008][  T868] Call Trace:
[   25.965150][  T868]  <TASK>
[   25.965263][  T868]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.965452][  T868]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.965600][  T868]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.965778][  T868]  __dev_notify_flags (net/core/dev.c:9787)
[   25.965967][  T868]  ? netif_change_name (net/core/dev.c:1495)
[   25.966143][  T868]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.966317][  T868]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.966499][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.966673][  T868]  ? 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))
[   25.966850][  T868]  netif_change_flags (net/core/dev.c:9820)
[   25.967034][  T868]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.967212][  T868]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.967397][  T868]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.967574][  T868]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.967783][  T868]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.967967][  T868]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.968143][  T868]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.968317][  T868]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.968501][  T868]  ? __kernel_text_address (kernel/extable.c:79)
[   25.968681][  T868]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.968863][  T868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.969053][  T868]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.969233][  T868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.969416][  T868]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.969588][  T868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.969762][  T868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.969951][  T868]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.970127][  T868]  ? __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)
[   25.970301][  T868]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.970486][  T868]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.970661][  T868]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.970837][  T868]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.971027][  T868]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.971202][  T868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.971384][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.971560][  T868]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.971734][  T868]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.971920][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.972096][  T868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.972269][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.972454][  T868]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.972632][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.972810][  T868]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.972998][  T868]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.973173][  T868]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.973351][  T868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.973524][  T868]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.973701][  T868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.973875][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.974061][  T868]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.974236][  T868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.974421][  T868]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.974600][  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))
[   25.974772][  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))
[   25.974961][  T868]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.975140][  T868]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.975315][  T868]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.975501][  T868]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.975679][  T868]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.975855][  T868]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.976046][  T868]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.976222][  T868]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.976401][  T868]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.976607][  T868]  ? move_addr_to_kernel (net/socket.c:258)
[   25.976783][  T868]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.976967][  T868]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.977143][  T868]  ___sys_sendmsg (net/socket.c:2752)
[   25.977320][  T868]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.977535][  T868]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.977722][  T868]  __sys_sendmsg (net/socket.c:2784)
[   25.977909][  T868]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.978085][  T868]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.978292][  T868]  ? 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)
[   25.978469][  T868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.978646][  T868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.978821][  T868]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.979010][  T868]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.979184][  T868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.979399][  T868] RIP: 0033:0x7fc12e99608e
[   25.979580][  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
[   25.980092][  T868] RSP: 002b:00007ffdb7c3b450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.980337][  T868] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc12e99608e
[   25.980576][  T868] RDX: 0000000000000000 RSI: 00007ffdb7c3b500 RDI: 0000000000000005
[   25.980812][  T868] RBP: 00007ffdb7c3b460 R08: 0000000000000000 R09: 0000000000000000
[   25.981060][  T868] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1f
[   25.981295][  T868] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb7c3bbd0
| [   26.085512][  T876] ------------[ cut here ]------------
| [   26.085680][  T876] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/876
| [   26.085918][  T876] Modules linked in: ip6_gre ip_gre gre
| [   26.086320][  T876] Tainted: [W]=WARN
[   26.086423][  T876] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.086584][  T876] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.086753][  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
[   26.087220][  T876] RSP: 0018:ffa0000000dcf020 EFLAGS: 00010286
[   26.087386][  T876] RAX: 00000000ffffffa6 RBX: ff1100000c2db700 RCX: 1ff40000001b9dca
[   26.087580][  T876] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2db7bc
[   26.087771][  T876] RBP: ff11000008bb1000 R08: 1fe220000185b6f9 R09: ff110000100ed158
[   26.087968][  T876] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   26.088157][  T876] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.088358][  T876] FS:  00007fec64a09840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   26.088585][  T876] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.088746][  T876] CR2: 000000002cc44988 CR3: 000000000fd0f006 CR4: 0000000000771ef0
[   26.088944][  T876] PKRU: 55555554
[   26.089041][  T876] Call Trace:
[   26.089137][  T876]  <TASK>
[   26.089204][  T876]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.089341][  T876]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.089441][  T876]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.089570][  T876]  __dev_notify_flags (net/core/dev.c:9787)
[   26.089702][  T876]  ? netif_change_name (net/core/dev.c:1495)
[   26.089831][  T876]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   26.089966][  T876]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   26.090094][  T876]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.090223][  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))
[   26.090361][  T876]  netif_change_flags (net/core/dev.c:9820)
[   26.090489][  T876]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.090616][  T876]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.090747][  T876]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.090876][  T876]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.091536][  T876]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.091665][  T876]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.091793][  T876]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.091929][  T876]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.092059][  T876]  ? __kernel_text_address (kernel/extable.c:79)
[   26.092188][  T876]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.092317][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.092451][  T876]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.092580][  T876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.092708][  T876]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.092835][  T876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.092967][  T876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.093095][  T876]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.093223][  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)
[   26.093356][  T876]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.093485][  T876]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.093614][  T876]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.093744][  T876]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.093874][  T876]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.094008][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.094134][  T876]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.094263][  T876]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.094396][  T876]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.094527][  T876]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.094658][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.094783][  T876]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.094917][  T876]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.095046][  T876]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.095192][  T876]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.095320][  T876]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.095453][  T876]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.095580][  T876]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.095708][  T876]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.095835][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.095967][  T876]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.096095][  T876]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.096223][  T876]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.096353][  T876]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.096486][  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))
[   26.096612][  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))
[   26.096741][  T876]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.096868][  T876]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.097001][  T876]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.097130][  T876]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.097258][  T876]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.097392][  T876]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.097524][  T876]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.097651][  T876]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.097778][  T876]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.097943][  T876]  ? move_addr_to_kernel (net/socket.c:258)
[   26.098074][  T876]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.098202][  T876]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.098335][  T876]  ___sys_sendmsg (net/socket.c:2752)
[   26.098462][  T876]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.098620][  T876]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.098757][  T876]  __sys_sendmsg (net/socket.c:2784)
[   26.098891][  T876]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.099019][  T876]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.099178][  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)
[   26.099307][  T876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.099442][  T876]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.099569][  T876]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.099697][  T876]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.099824][  T876]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.099989][  T876] RIP: 0033:0x7fec64c4308e
[   26.100125][  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
[   26.100585][  T876] RSP: 002b:00007ffe31a3f670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.100777][  T876] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fec64c4308e
[   26.100975][  T876] RDX: 0000000000000000 RSI: 00007ffe31a3f720 RDI: 0000000000000005
[   26.101168][  T876] RBP: 00007ffe31a3f680 R08: 0000000000000000 R09: 0000000000000000
[   26.101364][  T876] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1f
[   26.101557][  T876] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe31a3fdf0
| [   26.158964][  T878] ------------[ cut here ]------------
| [   26.159111][  T878] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/878
| [   26.159341][  T878] Modules linked in: ip6_gre ip_gre gre
| [   26.159738][  T878] Tainted: [W]=WARN
[   26.159835][  T878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.160005][  T878] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.160175][  T878] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.160640][  T878] RSP: 0018:ffa0000000def020 EFLAGS: 00010286
[   26.160801][  T878] RAX: 00000000ffffffa6 RBX: ff1100000cdacc80 RCX: 1ff40000001bddca
[   26.160999][  T878] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdacd3c
[   26.161192][  T878] RBP: ff11000008bb1000 R08: 1fe22000019b59a9 R09: ff1100000fd15158
[   26.161387][  T878] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   26.161578][  T878] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.161771][  T878] FS:  00007f38bc178840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   26.162003][  T878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.162165][  T878] CR2: 0000000003155988 CR3: 00000000100e2005 CR4: 0000000000771ef0
[   26.162360][  T878] PKRU: 55555554
[   26.162456][  T878] Call Trace:
[   26.162550][  T878]  <TASK>
[   26.162617][  T878]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.162747][  T878]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.162846][  T878]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.162983][  T878]  __dev_notify_flags (net/core/dev.c:9787)
[   26.163112][  T878]  ? netif_change_name (net/core/dev.c:1495)
[   26.163240][  T878]  ? __dev_change_flags (net/core/dev.c:9752)
[   26.163371][  T878]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   26.163498][  T878]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.163627][  T878]  netif_change_flags (net/core/dev.c:9820)
[   26.163756][  T878]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   26.163919][  T878]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.164049][  T878]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.164176][  T878]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.164338][  T878]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.164464][  T878]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.164593][  T878]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.164721][  T878]  ? __kernel_text_address (kernel/extable.c:79)
[   26.164849][  T878]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.164985][  T878]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.165111][  T878]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.165238][  T878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.165373][  T878]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.165501][  T878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.165630][  T878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.165757][  T878]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.165892][  T878]  ? __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)
[   26.166023][  T878]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.166154][  T878]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.166283][  T878]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.166422][  T878]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.166552][  T878]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.166683][  T878]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.166809][  T878]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.166943][  T878]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.167072][  T878]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.167199][  T878]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.167331][  T878]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.167458][  T878]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.167587][  T878]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.167716][  T878]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.167844][  T878]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.167981][  T878]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.168107][  T878]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.168241][  T878]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.168373][  T878]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.168504][  T878]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.168633][  T878]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.168761][  T878]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.168894][  T878]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.169024][  T878]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.169155][  T878]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.169283][  T878]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.169418][  T878]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.169549][  T878]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.169677][  T878]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.169807][  T878]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.169941][  T878]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.170070][  T878]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.170201][  T878]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.170334][  T878]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.170461][  T878]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.170621][  T878]  ? move_addr_to_kernel (net/socket.c:258)
[   26.170749][  T878]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.170876][  T878]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.171012][  T878]  ___sys_sendmsg (net/socket.c:2752)
[   26.171139][  T878]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.171297][  T878]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.171442][  T878]  __sys_sendmsg (net/socket.c:2784)
[   26.171572][  T878]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.171699][  T878]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.171863][  T878]  ? 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)
[   26.171996][  T878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.172125][  T878]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.172253][  T878]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.172386][  T878]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.172516][  T878]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.172674][  T878] RIP: 0033:0x7f38bc3b208e
[   26.172810][  T878] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.173270][  T878] RSP: 002b:00007ffcc1d9be10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.173466][  T878] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38bc3b208e
[   26.173657][  T878] RDX: 0000000000000000 RSI: 00007ffcc1d9bec0 RDI: 0000000000000005
[   26.173849][  T878] RBP: 00007ffcc1d9be20 R08: 0000000000000000 R09: 0000000000000000
[   26.174046][  T878] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1f
[   26.174239][  T878] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc1d9c590
| [   26.308730][  T887] ------------[ cut here ]------------
| [   26.308875][  T887] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/887
| [   26.309105][  T887] Modules linked in: ip6_gre ip_gre gre
| [   26.309494][  T887] Tainted: [W]=WARN
[   26.309588][  T887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.309745][  T887] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.309916][  T887] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.310362][  T887] RSP: 0018:ffa0000000637060 EFLAGS: 00010286
[   26.310517][  T887] RAX: 00000000ffffffa6 RBX: ff110000051f6c80 RCX: 1ff40000000c6dd2
[   26.310701][  T887] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f6d3c
[   26.310892][  T887] RBP: ff11000008bb1000 R08: 1fe2200000a3eda9 R09: ff1100000fc5ae58
[   26.311078][  T887] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   26.311262][  T887] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000006370f8
[   26.311456][  T887] FS:  00007febd05bf840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   26.311672][  T887] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.311826][  T887] CR2: 0000000025d50988 CR3: 0000000009a24003 CR4: 0000000000771ef0
[   26.312018][  T887] PKRU: 55555554
[   26.312110][  T887] Call Trace:
[   26.312202][  T887]  <TASK>
[   26.312267][  T887]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.312394][  T887]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.312489][  T887]  netif_close_many (net/core/dev.c:1804)
[   26.312612][  T887]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.312736][  T887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.312859][  T887]  ? __dev_close_many (net/core/dev.c:1781)
[   26.312988][  T887]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   26.313142][  T887]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   26.313297][  T887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.313423][  T887]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.313546][  T887]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.313699][  T887]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.313823][  T887]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.314027][  T887]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.314183][  T887]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   26.314306][  T887]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   26.314436][  T887]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.314558][  T887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.314682][  T887]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.314804][  T887]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.314930][  T887]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.315052][  T887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.315192][  T887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.315314][  T887]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.315441][  T887]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.315564][  T887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.315687][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.315810][  T887]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   26.315941][  T887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.316062][  T887]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.316184][  T887]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.316307][  T887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.316435][  T887]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.316558][  T887]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.316680][  T887]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.316802][  T887]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.316928][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.317052][  T887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.317174][  T887]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.317297][  T887]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.317425][  T887]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.317548][  T887]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.317673][  T887]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.317794][  T887]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.317923][  T887]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.318046][  T887]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.318168][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.318291][  T887]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.318421][  T887]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.318546][  T887]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.318671][  T887]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.318794][  T887]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.318923][  T887]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.319074][  T887]  ? move_addr_to_kernel (net/socket.c:258)
[   26.319199][  T887]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.319324][  T887]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.319452][  T887]  ___sys_sendmsg (net/socket.c:2752)
[   26.319575][  T887]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.319727][  T887]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.319862][  T887]  __sys_sendmsg (net/socket.c:2784)
[   26.319989][  T887]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.320112][  T887]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.320267][  T887]  ? 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)
[   26.320395][  T887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.320519][  T887]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.320643][  T887]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.320767][  T887]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.320895][  T887]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.321048][  T887] RIP: 0033:0x7febd07f908e
[   26.321181][  T887] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.321623][  T887] RSP: 002b:00007ffe08a6e6b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.321811][  T887] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febd07f908e
[   26.322001][  T887] RDX: 0000000000000000 RSI: 00007ffe08a6e760 RDI: 0000000000000005
[   26.322185][  T887] RBP: 00007ffe08a6e6c0 R08: 0000000000000000 R09: 0000000000000000
[   26.322370][  T887] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1f
[   26.322553][  T887] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe08a6ee30
| [   26.324813][  T887] ------------[ cut here ]------------
| [   26.324947][  T887] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/887
| [   26.325152][  T887] Modules linked in: ip6_gre ip_gre gre
| [   26.325515][  T887] Tainted: [W]=WARN
[   26.325605][  T887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.325754][  T887] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.326395][  T887] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.326831][  T887] RSP: 0018:ffa0000000637190 EFLAGS: 00010286
[   26.326985][  T887] RAX: 00000000ffffffa6 RBX: ff1100000d272200 RCX: 1ff40000000c6df8
[   26.327163][  T887] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2722bc
[   26.327346][  T887] RBP: ff11000008bb1000 R08: 1fe2200001a4e459 R09: ff1100000fc5ae58
[   26.327525][  T887] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.327700][  T887] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.327879][  T887] FS:  00007febd05bf840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   26.328092][  T887] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.328241][  T887] CR2: 0000000025d50988 CR3: 0000000009a24003 CR4: 0000000000771ef0
[   26.328425][  T887] PKRU: 55555554
[   26.328513][  T887] Call Trace:
[   26.328601][  T887]  <TASK>
[   26.328664][  T887]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.328816][  T887]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.328971][  T887]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.329090][  T887]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.329209][  T887]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.329363][  T887]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   26.329485][  T887]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.329605][  T887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.329724][  T887]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.329842][  T887]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.329967][  T887]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.330085][  T887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.330220][  T887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.330340][  T887]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.330459][  T887]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.330577][  T887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.330696][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.330816][  T887]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   26.330941][  T887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.331060][  T887]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.331178][  T887]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.331297][  T887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.331422][  T887]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.331542][  T887]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.331662][  T887]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.331780][  T887]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.331902][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.332031][  T887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.332149][  T887]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.332277][  T887]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.332402][  T887]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.332522][  T887]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.332645][  T887]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.332763][  T887]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.332890][  T887]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.333011][  T887]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.333130][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.333250][  T887]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.333374][  T887]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.333495][  T887]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.333616][  T887]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.333734][  T887]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.333852][  T887]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.334007][  T887]  ? move_addr_to_kernel (net/socket.c:258)
[   26.334126][  T887]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.334245][  T887]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.334369][  T887]  ___sys_sendmsg (net/socket.c:2752)
[   26.334487][  T887]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.334634][  T887]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.334764][  T887]  __sys_sendmsg (net/socket.c:2784)
[   26.334883][  T887]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.335006][  T887]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.335156][  T887]  ? 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)
[   26.335274][  T887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.335397][  T887]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.335516][  T887]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.335635][  T887]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.335754][  T887]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.335908][  T887] RIP: 0033:0x7febd07f908e
[   26.336032][  T887] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.336456][  T887] RSP: 002b:00007ffe08a6e6b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.336634][  T887] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febd07f908e
[   26.336810][  T887] RDX: 0000000000000000 RSI: 00007ffe08a6e760 RDI: 0000000000000005
[   26.336997][  T887] RBP: 00007ffe08a6e6c0 R08: 0000000000000000 R09: 0000000000000000
[   26.337173][  T887] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1f
[   26.337355][  T887] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe08a6ee30
| [   26.381303][  T888] ------------[ cut here ]------------
| [   26.381453][  T888] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/888
| [   26.381685][  T888] Modules linked in: ip6_gre ip_gre gre
| [   26.382098][  T888] Tainted: [W]=WARN
[   26.382198][  T888] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.382371][  T888] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.382541][  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
[   26.383013][  T888] RSP: 0018:ffa00000004e71b0 EFLAGS: 00010286
[   26.383178][  T888] RAX: 00000000ffffffa6 RBX: ff1100000c30be00 RCX: 1ff400000009cdfc
[   26.383379][  T888] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30bebc
[   26.383575][  T888] RBP: ff1100001037c000 R08: 1fe22000018617d9 R09: ff11000010058b80
[   26.383771][  T888] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.383979][  T888] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300e60
[   26.384176][  T888] FS:  00007effa3af1840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   26.384417][  T888] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.384581][  T888] CR2: 00007effa3dcbcb0 CR3: 00000000091e0004 CR4: 0000000000771ef0
[   26.384778][  T888] PKRU: 55555554
[   26.384877][  T888] Call Trace:
[   26.384980][  T888]  <TASK>
[   26.385048][  T888]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.385179][  T888]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.385279][  T888]  __dev_notify_flags (net/core/dev.c:9787)
[   26.385421][  T888]  ? netif_change_name (net/core/dev.c:1495)
[   26.385553][  T888]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.385689][  T888]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   26.385819][  T888]  ? nla_strscpy (lib/nlattr.c:795)
[   26.385958][  T888]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   26.386093][  T888]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   26.386223][  T888]  ? __dev_get_by_name (net/core/dev.c:883)
[   26.386360][  T888]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   26.386498][  T888]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   26.386633][  T888]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.386765][  T888]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.386901][  T888]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.387031][  T888]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.387164][  T888]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.387294][  T888]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.387436][  T888]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.387570][  T888]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.387703][  T888]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.387835][  T888]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.387973][  T888]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.388105][  T888]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.388238][  T888]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.388371][  T888]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.388505][  T888]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.388636][  T888]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.388769][  T888]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.388911][  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))
[   26.389042][  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))
[   26.389176][  T888]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.389311][  T888]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.389448][  T888]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.389581][  T888]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.389715][  T888]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.389849][  T888]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.390050][  T888]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.390182][  T888]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.390314][  T888]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.390481][  T888]  ? move_addr_to_kernel (net/socket.c:258)
[   26.390617][  T888]  ___sys_sendmsg (net/socket.c:2752)
[   26.390749][  T888]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.390880][  T888]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.391100][  T888]  ? 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))
[   26.391234][  T888]  __sys_sendmsg (net/socket.c:2784)
[   26.391369][  T888]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.391504][  T888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.391635][  T888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.391767][  T888]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.391929][  T888]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.392062][  T888]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.392195][  T888]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.392365][  T888] RIP: 0033:0x7effa3d2b08e
[   26.392503][  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
[   26.392978][  T888] RSP: 002b:00007ffcd6ceec60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.393176][  T888] RAX: ffffffffffffffda RBX: 00007ffcd6cef410 RCX: 00007effa3d2b08e
[   26.393374][  T888] RDX: 0000000000000000 RSI: 00007ffcd6ceed10 RDI: 0000000000000005
[   26.393571][  T888] RBP: 00007ffcd6ceec70 R08: 0000000000000000 R09: 0000000000000000
[   26.393767][  T888] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1f
[   26.393971][  T888] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd6cef3d0
| [   26.489196][  T891] ------------[ cut here ]------------
| [   26.489400][  T891] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/891
| [   26.489675][  T891] Modules linked in: ip6_gre ip_gre gre
| [   26.490854][  T891] Tainted: [W]=WARN
[   26.491008][  T891] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.491218][  T891] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.491439][  T891] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.491950][  T891] RSP: 0018:ffa00000004f7020 EFLAGS: 00010286
[   26.492157][  T891] RAX: 00000000ffffffa6 RBX: ff1100000ab59e00 RCX: 1ff400000009edca
[   26.492400][  T891] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab59ebc
[   26.492638][  T891] RBP: ff1100001037c000 R08: 1fe220000156b3d9 R09: ff110000100a8b58
[   26.492874][  T891] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   26.493120][  T891] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.493368][  T891] FS:  00007f196e580840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   26.493640][  T891] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.493846][  T891] CR2: 00007f196e8501a0 CR3: 000000000fda7002 CR4: 0000000000771ef0
[   26.494096][  T891] PKRU: 55555554
[   26.494237][  T891] Call Trace:
[   26.494386][  T891]  <TASK>
[   26.494500][  T891]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.494680][  T891]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.494827][  T891]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.495013][  T891]  __dev_notify_flags (net/core/dev.c:9787)
[   26.495191][  T891]  ? netif_change_name (net/core/dev.c:1495)
[   26.495373][  T891]  ? __dev_change_flags (net/core/dev.c:9752)
[   26.495550][  T891]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   26.495723][  T891]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.495910][  T891]  ? 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))
[   26.496087][  T891]  netif_change_flags (net/core/dev.c:9820)
[   26.496263][  T891]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.496449][  T891]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.496626][  T891]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.496801][  T891]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.497019][  T891]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.497195][  T891]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.497373][  T891]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.497551][  T891]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.497728][  T891]  ? __kernel_text_address (kernel/extable.c:79)
[   26.497915][  T891]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.498092][  T891]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.498266][  T891]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.498452][  T891]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.498628][  T891]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.498804][  T891]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.498991][  T891]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.499167][  T891]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.499350][  T891]  ? __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)
[   26.499526][  T891]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.499701][  T891]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.499877][  T891]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.500070][  T891]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.500250][  T891]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.500435][  T891]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.500607][  T891]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.500783][  T891]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.500965][  T891]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.501139][  T891]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.501317][  T891]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.501502][  T891]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.501678][  T891]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.501851][  T891]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.502037][  T891]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.502212][  T891]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.502396][  T891]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.502570][  T891]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.502744][  T891]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.502932][  T891]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.503108][  T891]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.503284][  T891]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.503465][  T891]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.503641][  T891]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.503818][  T891]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.504002][  T891]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.504180][  T891]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.504366][  T891]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.504541][  T891]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.504716][  T891]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.504904][  T891]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.505080][  T891]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.505255][  T891]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.505435][  T891]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.505607][  T891]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.505813][  T891]  ? move_addr_to_kernel (net/socket.c:258)
[   26.505999][  T891]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.506176][  T891]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.506358][  T891]  ___sys_sendmsg (net/socket.c:2752)
[   26.506533][  T891]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.506740][  T891]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.506942][  T891]  __sys_sendmsg (net/socket.c:2784)
[   26.507120][  T891]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.507292][  T891]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.507505][  T891]  ? 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)
[   26.507680][  T891]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.507857][  T891]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.508047][  T891]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.508223][  T891]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.508406][  T891]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.508611][  T891] RIP: 0033:0x7f196e7ba08e
[   26.508792][  T891] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.509305][  T891] RSP: 002b:00007ffd8c72c050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.509559][  T891] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f196e7ba08e
[   26.509795][  T891] RDX: 0000000000000000 RSI: 00007ffd8c72c100 RDI: 0000000000000005
[   26.510046][  T891] RBP: 00007ffd8c72c060 R08: 0000000000000000 R09: 0000000000000000
[   26.510282][  T891] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1f
[   26.510529][  T891] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8c72c7d0
| [   26.613513][  T899] ------------[ cut here ]------------
| [   26.613669][  T899] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/899
| [   26.613909][  T899] Modules linked in: ip6_gre ip_gre gre
| [   26.614310][  T899] Tainted: [W]=WARN
[   26.614412][  T899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.614574][  T899] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.614740][  T899] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.615203][  T899] RSP: 0018:ffa0000000eaf020 EFLAGS: 00010286
[   26.615367][  T899] RAX: 00000000ffffffa6 RBX: ff1100000576da80 RCX: 1ff40000001d5dca
[   26.615556][  T899] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576db3c
[   26.615751][  T899] RBP: ff1100001037c000 R08: 1fe2200000aedb69 R09: ff1100000ff7ae58
[   26.615953][  T899] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   26.616142][  T899] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.616337][  T899] FS:  00007f107ec7b840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   26.616560][  T899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.616720][  T899] CR2: 000000000e6c2988 CR3: 000000000fe12006 CR4: 0000000000771ef0
[   26.616917][  T899] PKRU: 55555554
[   26.617013][  T899] Call Trace:
[   26.617107][  T899]  <TASK>
[   26.617174][  T899]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.617304][  T899]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.617405][  T899]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.617534][  T899]  __dev_notify_flags (net/core/dev.c:9787)
[   26.617667][  T899]  ? netif_change_name (net/core/dev.c:1495)
[   26.617794][  T899]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   26.617931][  T899]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   26.618060][  T899]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.618187][  T899]  ? 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))
[   26.618316][  T899]  netif_change_flags (net/core/dev.c:9820)
[   26.618450][  T899]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.618578][  T899]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.618710][  T899]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.618838][  T899]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.619002][  T899]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.619130][  T899]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.619256][  T899]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.619388][  T899]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.619518][  T899]  ? __kernel_text_address (kernel/extable.c:79)
[   26.619648][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.619778][  T899]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.619909][  T899]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.620035][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.620163][  T899]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.620288][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.620420][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.620547][  T899]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.620680][  T899]  ? __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)
[   26.620807][  T899]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.621013][  T899]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.621142][  T899]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.621271][  T899]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.621404][  T899]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.621532][  T899]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.621657][  T899]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.621786][  T899]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.621980][  T899]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.622106][  T899]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.622234][  T899]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.622364][  T899]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.622489][  T899]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.622615][  T899]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.622743][  T899]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.622870][  T899]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.623050][  T899]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.623179][  T899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.623305][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.623435][  T899]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.623560][  T899]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.623688][  T899]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.623815][  T899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.624028][  T899]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.624159][  T899]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.624283][  T899]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.624418][  T899]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.624546][  T899]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.624673][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.624802][  T899]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.625011][  T899]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.625142][  T899]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.625271][  T899]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.625403][  T899]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.625528][  T899]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.625684][  T899]  ? move_addr_to_kernel (net/socket.c:258)
[   26.625811][  T899]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.626007][  T899]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.626135][  T899]  ___sys_sendmsg (net/socket.c:2752)
[   26.626259][  T899]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.626420][  T899]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.626557][  T899]  __sys_sendmsg (net/socket.c:2784)
[   26.626683][  T899]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.626808][  T899]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.627029][  T899]  ? 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)
[   26.627156][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.627283][  T899]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.627412][  T899]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.627537][  T899]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.627661][  T899]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.627817][  T899] RIP: 0033:0x7f107eeb508e
[   26.628008][  T899] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.628458][  T899] RSP: 002b:00007ffffced8120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.628645][  T899] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f107eeb508e
[   26.628831][  T899] RDX: 0000000000000000 RSI: 00007ffffced81d0 RDI: 0000000000000005
[   26.629021][  T899] RBP: 00007ffffced8130 R08: 0000000000000000 R09: 0000000000000000
[   26.629209][  T899] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1f
[   26.629400][  T899] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffced88a0
| [   26.699864][  T901] ------------[ cut here ]------------
| [   26.700055][  T901] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/901
| [   26.700322][  T901] Modules linked in: ip6_gre ip_gre gre
| [   26.700814][  T901] Tainted: [W]=WARN
[   26.700967][  T901] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.701171][  T901] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.701393][  T901] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.701898][  T901] RSP: 0018:ffa0000000ecf020 EFLAGS: 00010286
[   26.702104][  T901] RAX: 00000000ffffffa6 RBX: ff1100000cdade00 RCX: 1ff40000001d9dca
[   26.702342][  T901] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdadebc
[   26.702573][  T901] RBP: ff1100001037c000 R08: 1fe22000019b5bd9 R09: ff1100000f37d158
[   26.702805][  T901] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   26.703051][  T901] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.703286][  T901] FS:  00007f86357b9840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   26.703560][  T901] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.703766][  T901] CR2: 0000000006dc8988 CR3: 000000000f1c6001 CR4: 0000000000771ef0
[   26.704013][  T901] PKRU: 55555554
[   26.704154][  T901] Call Trace:
[   26.704293][  T901]  <TASK>
[   26.704408][  T901]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.704581][  T901]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.704722][  T901]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.704905][  T901]  __dev_notify_flags (net/core/dev.c:9787)
[   26.705080][  T901]  ? netif_change_name (net/core/dev.c:1495)
[   26.705255][  T901]  ? __dev_change_flags (net/core/dev.c:9752)
[   26.705434][  T901]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   26.705605][  T901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.705779][  T901]  ? 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))
[   26.705968][  T901]  netif_change_flags (net/core/dev.c:9820)
[   26.706142][  T901]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.706315][  T901]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.706497][  T901]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.706668][  T901]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.706870][  T901]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.707055][  T901]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.707229][  T901]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.707404][  T901]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.707577][  T901]  ? __kernel_text_address (kernel/extable.c:79)
[   26.707749][  T901]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.707934][  T901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.708105][  T901]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.708278][  T901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.708456][  T901]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.708625][  T901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.708795][  T901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.708979][  T901]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.709150][  T901]  ? __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)
[   26.709321][  T901]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.709501][  T901]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.709674][  T901]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.709849][  T901]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.710034][  T901]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.710207][  T901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.710384][  T901]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.710555][  T901]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.710725][  T901]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.710906][  T901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.711080][  T901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.711249][  T901]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.711428][  T901]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.711601][  T901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.711772][  T901]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.711955][  T901]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.712126][  T901]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.712295][  T901]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.712469][  T901]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.712642][  T901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.712812][  T901]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.712997][  T901]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.713168][  T901]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.713347][  T901]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.713521][  T901]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.713690][  T901]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.713863][  T901]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.714048][  T901]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.714222][  T901]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.714403][  T901]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.714576][  T901]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.714746][  T901]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.714931][  T901]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.715106][  T901]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.715276][  T901]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.715482][  T901]  ? move_addr_to_kernel (net/socket.c:258)
[   26.715655][  T901]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.715825][  T901]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.716008][  T901]  ___sys_sendmsg (net/socket.c:2752)
[   26.716179][  T901]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.716386][  T901]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.716568][  T901]  __sys_sendmsg (net/socket.c:2784)
[   26.716740][  T901]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.716920][  T901]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.717123][  T901]  ? 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)
[   26.717293][  T901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.717469][  T901]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.717638][  T901]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.717809][  T901]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.717994][  T901]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.718195][  T901] RIP: 0033:0x7f86359f308e
[   26.718380][  T901] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.718865][  T901] RSP: 002b:00007ffc5fac2d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.719109][  T901] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f86359f308e
[   26.719344][  T901] RDX: 0000000000000000 RSI: 00007ffc5fac2dc0 RDI: 0000000000000005
[   26.719575][  T901] RBP: 00007ffc5fac2d20 R08: 0000000000000000 R09: 0000000000000000
[   26.719806][  T901] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec1f
[   26.720051][  T901] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5fac3490
| [   26.889747][  T910] ------------[ cut here ]------------
| [   26.889922][  T910] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/910
| [   26.890155][  T910] Modules linked in: ip6_gre ip_gre gre
| [   26.890564][  T910] Tainted: [W]=WARN
[   26.890662][  T910] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.890824][  T910] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.890996][  T910] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.891453][  T910] RSP: 0018:ffa00000006e7060 EFLAGS: 00010286
[   26.891614][  T910] RAX: 00000000ffffffa6 RBX: ff1100000c2d3000 RCX: 1ff40000000dcdd2
[   26.891802][  T910] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2d30bc
[   26.891999][  T910] RBP: ff1100001037c000 R08: 1fe220000185a619 R09: ff1100000f16ae58
[   26.892190][  T910] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   26.892383][  T910] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000006e70f8
[   26.892575][  T910] FS:  00007fb191114840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   26.892798][  T910] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.892962][  T910] CR2: 0000000036109988 CR3: 00000000107cc006 CR4: 0000000000771ef0
[   26.893156][  T910] PKRU: 55555554
[   26.893255][  T910] Call Trace:
[   26.893355][  T910]  <TASK>
[   26.893424][  T910]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.893554][  T910]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.893653][  T910]  netif_close_many (net/core/dev.c:1804)
[   26.893785][  T910]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.893927][  T910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.894057][  T910]  ? __dev_close_many (net/core/dev.c:1781)
[   26.894186][  T910]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   26.894350][  T910]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   26.894512][  T910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.894639][  T910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.894766][  T910]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.894928][  T910]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.895058][  T910]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.895186][  T910]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.895351][  T910]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   26.895482][  T910]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   26.895613][  T910]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.895741][  T910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.895867][  T910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.896001][  T910]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.896130][  T910]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.896256][  T910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.896405][  T910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.896533][  T910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.896660][  T910]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.896786][  T910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.896919][  T910]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.897045][  T910]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   26.897173][  T910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.897299][  T910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.897431][  T910]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.897561][  T910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.897689][  T910]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.897819][  T910]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.897953][  T910]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.898080][  T910]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.898206][  T910]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.898344][  T910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.898473][  T910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.898601][  T910]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.898728][  T910]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.898855][  T910]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.898999][  T910]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.899126][  T910]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.899255][  T910]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.899390][  T910]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.899520][  T910]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.899648][  T910]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.899775][  T910]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.899909][  T910]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.900039][  T910]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.900169][  T910]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.900297][  T910]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.900461][  T910]  ? move_addr_to_kernel (net/socket.c:258)
[   26.900588][  T910]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.900716][  T910]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.900848][  T910]  ___sys_sendmsg (net/socket.c:2752)
[   26.900982][  T910]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.901140][  T910]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.901280][  T910]  __sys_sendmsg (net/socket.c:2784)
[   26.901412][  T910]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.901539][  T910]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.901700][  T910]  ? 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)
[   26.901829][  T910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.901964][  T910]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.902095][  T910]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.902223][  T910]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.902358][  T910]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.902518][  T910] RIP: 0033:0x7fb19134e08e
[   26.902655][  T910] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.903122][  T910] RSP: 002b:00007ffe87da9fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.903313][  T910] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb19134e08e
[   26.903509][  T910] RDX: 0000000000000000 RSI: 00007ffe87daa090 RDI: 0000000000000005
[   26.903702][  T910] RBP: 00007ffe87da9ff0 R08: 0000000000000000 R09: 0000000000000000
[   26.903898][  T910] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec20
[   26.904088][  T910] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe87daa760
| [   26.906381][  T910] ------------[ cut here ]------------
| [   26.906506][  T910] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/910
| [   26.906716][  T910] Modules linked in: ip6_gre ip_gre gre
| [   26.907109][  T910] Tainted: [W]=WARN
[   26.907201][  T910] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.907359][  T910] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.907518][  T910] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.908039][  T910] RSP: 0018:ffa00000006e7190 EFLAGS: 00010286
[   26.908280][  T910] RAX: 00000000ffffffa6 RBX: ff1100000e22aac0 RCX: 1ff40000000dcdf8
[   26.908471][  T910] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22ab7c
[   26.908652][  T910] RBP: ff1100001037c000 R08: 1fe2200001c45571 R09: ff1100000f16ae58
[   26.908834][  T910] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.909085][  T910] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.909270][  T910] FS:  00007fb191114840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   26.909487][  T910] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.909641][  T910] CR2: 0000000036109988 CR3: 00000000107cc006 CR4: 0000000000771ef0
[   26.909824][  T910] PKRU: 55555554
[   26.909997][  T910] Call Trace:
[   26.910089][  T910]  <TASK>
[   26.910153][  T910]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.910307][  T910]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.910463][  T910]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.910587][  T910]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.910710][  T910]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.910866][  T910]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   26.911063][  T910]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.911186][  T910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.911308][  T910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.911434][  T910]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.911557][  T910]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.911679][  T910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.911818][  T910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.912014][  T910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.912136][  T910]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.912258][  T910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.912386][  T910]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.912508][  T910]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   26.912634][  T910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.912755][  T910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.912876][  T910]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.913038][  T910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.913161][  T910]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.913282][  T910]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.913408][  T910]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.913537][  T910]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.913658][  T910]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.913782][  T910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.913909][  T910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.914033][  T910]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.914161][  T910]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.914288][  T910]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.914418][  T910]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.914541][  T910]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.914664][  T910]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.914787][  T910]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.914913][  T910]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.915037][  T910]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.915164][  T910]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.915291][  T910]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.915421][  T910]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.915543][  T910]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.915666][  T910]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.915817][  T910]  ? move_addr_to_kernel (net/socket.c:258)
[   26.915948][  T910]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.916076][  T910]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.916200][  T910]  ___sys_sendmsg (net/socket.c:2752)
[   26.916323][  T910]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.916480][  T910]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.916613][  T910]  __sys_sendmsg (net/socket.c:2784)
[   26.916735][  T910]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.916858][  T910]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.917025][  T910]  ? 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)
[   26.917147][  T910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.917269][  T910]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.917396][  T910]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.917518][  T910]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.917639][  T910]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.917789][  T910] RIP: 0033:0x7fb19134e08e
[   26.917925][  T910] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.918362][  T910] RSP: 002b:00007ffe87da9fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.918546][  T910] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb19134e08e
[   26.918728][  T910] RDX: 0000000000000000 RSI: 00007ffe87daa090 RDI: 0000000000000005
[   26.918916][  T910] RBP: 00007ffe87da9ff0 R08: 0000000000000000 R09: 0000000000000000
[   26.919099][  T910] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec20
[   26.919280][  T910] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe87daa760
| [   26.965164][  T911] ------------[ cut here ]------------
| [   26.965320][  T911] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/911
| [   26.965557][  T911] Modules linked in: ip6_gre ip_gre gre
| [   26.965968][  T911] Tainted: [W]=WARN
[   26.966068][  T911] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.966234][  T911] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.966408][  T911] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.966875][  T911] RSP: 0018:ffa0000000e7f1b0 EFLAGS: 00010286
[   26.967043][  T911] RAX: 00000000ffffffa6 RBX: ff1100000c990740 RCX: 1ff40000001cfdfc
[   26.967240][  T911] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9907fc
[   26.967439][  T911] RBP: ff11000010119000 R08: 1fe2200001932101 R09: ff1100000f16d180
[   26.967632][  T911] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   26.967827][  T911] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300e60
[   26.968027][  T911] FS:  00007f0d123ed840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   26.968257][  T911] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.968426][  T911] CR2: 00007f0d126c7cb0 CR3: 00000000060c6006 CR4: 0000000000771ef0
[   26.968623][  T911] PKRU: 55555554
[   26.968721][  T911] Call Trace:
[   26.968818][  T911]  <TASK>
[   26.968892][  T911]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.969024][  T911]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.969125][  T911]  __dev_notify_flags (net/core/dev.c:9787)
[   26.969257][  T911]  ? netif_change_name (net/core/dev.c:1495)
[   26.969394][  T911]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.969527][  T911]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   26.969658][  T911]  ? nla_strscpy (lib/nlattr.c:795)
[   26.969790][  T911]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   26.969928][  T911]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   26.970059][  T911]  ? __dev_get_by_name (net/core/dev.c:883)
[   26.970190][  T911]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   26.970329][  T911]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   26.970463][  T911]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.970595][  T911]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.970725][  T911]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.970856][  T911]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.970991][  T911]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.971120][  T911]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.971255][  T911]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.971394][  T911]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.971524][  T911]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.971654][  T911]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.971785][  T911]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.971921][  T911]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.972054][  T911]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.972185][  T911]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.972317][  T911]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.972452][  T911]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.972584][  T911]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.972717][  T911]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.972846][  T911]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.972984][  T911]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.973115][  T911]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.973248][  T911]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.973384][  T911]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.973514][  T911]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.973645][  T911]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.973777][  T911]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.973912][  T911]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.974042][  T911]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.974205][  T911]  ? move_addr_to_kernel (net/socket.c:258)
[   26.974344][  T911]  ___sys_sendmsg (net/socket.c:2752)
[   26.974474][  T911]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.974604][  T911]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.974744][  T911]  ? 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))
[   26.974878][  T911]  __sys_sendmsg (net/socket.c:2784)
[   26.975014][  T911]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.975149][  T911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.975280][  T911]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.975415][  T911]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.975545][  T911]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.975676][  T911]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.975806][  T911]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.975976][  T911] RIP: 0033:0x7f0d1262708e
[   26.976115][  T911] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.976582][  T911] RSP: 002b:00007fffc73d0960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.976780][  T911] RAX: ffffffffffffffda RBX: 00007fffc73d1110 RCX: 00007f0d1262708e
[   26.976978][  T911] RDX: 0000000000000000 RSI: 00007fffc73d0a10 RDI: 0000000000000005
[   26.977176][  T911] RBP: 00007fffc73d0970 R08: 0000000000000000 R09: 0000000000000000
[   26.977376][  T911] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec20
[   26.977571][  T911] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc73d10d0
| [   27.067718][  T914] ------------[ cut here ]------------
| [   27.067870][  T914] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/914
| [   27.068596][  T914] Modules linked in: ip6_gre ip_gre gre
| [   27.068992][  T914] Tainted: [W]=WARN
[   27.069088][  T914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.069246][  T914] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.069419][  T914] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.069871][  T914] RSP: 0018:ffa0000000f4f020 EFLAGS: 00010286
[   27.070037][  T914] RAX: 00000000ffffffa6 RBX: ff1100000be39380 RCX: 1ff40000001e9dca
[   27.070225][  T914] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3943c
[   27.070420][  T914] RBP: ff11000010119000 R08: 1fe22000017c7289 R09: ff110000099d5158
[   27.070609][  T914] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   27.070797][  T914] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.070995][  T914] FS:  00007f12f6ae2840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   27.071217][  T914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.071382][  T914] CR2: 00007f12f6db21a0 CR3: 000000000f667006 CR4: 0000000000771ef0
[   27.071570][  T914] PKRU: 55555554
[   27.071664][  T914] Call Trace:
[   27.071759][  T914]  <TASK>
[   27.071826][  T914]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.071961][  T914]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.072058][  T914]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.072185][  T914]  __dev_notify_flags (net/core/dev.c:9787)
[   27.072315][  T914]  ? netif_change_name (net/core/dev.c:1495)
[   27.072447][  T914]  ? __dev_change_flags (net/core/dev.c:9752)
[   27.072574][  T914]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   27.072702][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.072829][  T914]  ? 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))
[   27.072963][  T914]  netif_change_flags (net/core/dev.c:9820)
[   27.073090][  T914]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.073219][  T914]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.073353][  T914]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.073480][  T914]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.073636][  T914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.073762][  T914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.073894][  T914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.074019][  T914]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.074147][  T914]  ? __kernel_text_address (kernel/extable.c:79)
[   27.074274][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.074408][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.074533][  T914]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.074661][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.074788][  T914]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.074920][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.075046][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.075172][  T914]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.075299][  T914]  ? __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)
[   27.075431][  T914]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.075557][  T914]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.075684][  T914]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.075814][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.075949][  T914]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.076076][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.076201][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.076333][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.076459][  T914]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.076584][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.076712][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.076839][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.076970][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.077096][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.077222][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.077354][  T914]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.077481][  T914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.077606][  T914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.077731][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.077858][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.077989][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.078116][  T914]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.078245][  T914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.078374][  T914]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.078502][  T914]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.078628][  T914]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.078756][  T914]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.078888][  T914]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.079015][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.079144][  T914]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.079272][  T914]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.079404][  T914]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.079531][  T914]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.079657][  T914]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.079784][  T914]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.079946][  T914]  ? move_addr_to_kernel (net/socket.c:258)
[   27.080074][  T914]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.080200][  T914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.080334][  T914]  ___sys_sendmsg (net/socket.c:2752)
[   27.080461][  T914]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.080618][  T914]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.080756][  T914]  __sys_sendmsg (net/socket.c:2784)
[   27.080882][  T914]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.081014][  T914]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.081174][  T914]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.081302][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.081431][  T914]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.081557][  T914]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.081685][  T914]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.081811][  T914]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.081973][  T914] RIP: 0033:0x7f12f6d1c08e
[   27.082108][  T914] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.082560][  T914] RSP: 002b:00007ffeab0d5070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.082749][  T914] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f12f6d1c08e
[   27.082942][  T914] RDX: 0000000000000000 RSI: 00007ffeab0d5120 RDI: 0000000000000005
[   27.083129][  T914] RBP: 00007ffeab0d5080 R08: 0000000000000000 R09: 0000000000000000
[   27.083317][  T914] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec20
[   27.083508][  T914] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeab0d57f0
| [   27.205289][  T922] ------------[ cut here ]------------
| [   27.205455][  T922] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/922
| [   27.205685][  T922] Modules linked in: ip6_gre ip_gre gre
| [   27.206094][  T922] Tainted: [W]=WARN
[   27.206192][  T922] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.206358][  T922] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.206539][  T922] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.207010][  T922] RSP: 0018:ffa0000000fcf020 EFLAGS: 00010286
[   27.207178][  T922] RAX: 00000000ffffffa6 RBX: ff110000052eb540 RCX: 1ff40000001f9dca
[   27.207371][  T922] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052eb5fc
[   27.207561][  T922] RBP: ff11000010119000 R08: 1fe2200000a5d6c1 R09: ff1100000e402e58
[   27.207753][  T922] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   27.207958][  T922] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.208153][  T922] FS:  00007fac6399d840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   27.208389][  T922] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.208555][  T922] CR2: 000000001d0a0988 CR3: 0000000012bff002 CR4: 0000000000771ef0
[   27.208754][  T922] PKRU: 55555554
[   27.208850][  T922] Call Trace:
[   27.208952][  T922]  <TASK>
[   27.209021][  T922]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.209153][  T922]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.209251][  T922]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.209385][  T922]  __dev_notify_flags (net/core/dev.c:9787)
[   27.209514][  T922]  ? netif_change_name (net/core/dev.c:1495)
[   27.209650][  T922]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   27.209779][  T922]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   27.209911][  T922]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.210041][  T922]  ? 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))
[   27.210174][  T922]  netif_change_flags (net/core/dev.c:9820)
[   27.210304][  T922]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.210437][  T922]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.210569][  T922]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.210700][  T922]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.210871][  T922]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.211005][  T922]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.211133][  T922]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.211261][  T922]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.211398][  T922]  ? __kernel_text_address (kernel/extable.c:79)
[   27.211528][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.211660][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.211792][  T922]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.211989][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.212119][  T922]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.212253][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.212386][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.212519][  T922]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.212654][  T922]  ? __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)
[   27.212784][  T922]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.212980][  T922]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.213110][  T922]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.213240][  T922]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.213379][  T922]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.213509][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.213641][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.213769][  T922]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.213951][  T922]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.214085][  T922]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.214215][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.214345][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.214473][  T922]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.214603][  T922]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.214738][  T922]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.214867][  T922]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.215012][  T922]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.215140][  T922]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.215267][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.215402][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.215529][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.215664][  T922]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.215795][  T922]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.215936][  T922]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.216073][  T922]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.216210][  T922]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.216343][  T922]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.216473][  T922]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.216601][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.216735][  T922]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.216865][  T922]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.216999][  T922]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.217132][  T922]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.217261][  T922]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.217394][  T922]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.217552][  T922]  ? move_addr_to_kernel (net/socket.c:258)
[   27.217684][  T922]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.217813][  T922]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.217949][  T922]  ___sys_sendmsg (net/socket.c:2752)
[   27.218077][  T922]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.218237][  T922]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.218380][  T922]  __sys_sendmsg (net/socket.c:2784)
[   27.218507][  T922]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.218635][  T922]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.218795][  T922]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.218928][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.219057][  T922]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.219185][  T922]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.219314][  T922]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.219446][  T922]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.219604][  T922] RIP: 0033:0x7fac63bd708e
[   27.219740][  T922] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.220205][  T922] RSP: 002b:00007fffcde3dd60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.220403][  T922] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fac63bd708e
[   27.220595][  T922] RDX: 0000000000000000 RSI: 00007fffcde3de10 RDI: 0000000000000005
[   27.220785][  T922] RBP: 00007fffcde3dd70 R08: 0000000000000000 R09: 0000000000000000
[   27.220984][  T922] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec20
[   27.221175][  T922] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcde3e4e0
| [   27.314283][  T924] ------------[ cut here ]------------
| [   27.314440][  T924] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/924
| [   27.314669][  T924] Modules linked in: ip6_gre ip_gre gre
| [   27.315083][  T924] Tainted: [W]=WARN
[   27.315179][  T924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.315349][  T924] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.315515][  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
[   27.315975][  T924] RSP: 0018:ffa0000000fdf020 EFLAGS: 00010286
[   27.316141][  T924] RAX: 00000000ffffffa6 RBX: ff110000052eae40 RCX: 1ff40000001fbdca
[   27.316335][  T924] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052eaefc
[   27.316526][  T924] RBP: ff11000010119000 R08: 1fe2200000a5d5e1 R09: ff1100000ff7d158
[   27.316716][  T924] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   27.316911][  T924] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.317104][  T924] FS:  00007f5f6e3fe840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   27.317338][  T924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.317501][  T924] CR2: 000000003ae61988 CR3: 000000000e417004 CR4: 0000000000771ef0
[   27.317693][  T924] PKRU: 55555554
[   27.317789][  T924] Call Trace:
[   27.317890][  T924]  <TASK>
[   27.317959][  T924]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.318089][  T924]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.318187][  T924]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.318314][  T924]  __dev_notify_flags (net/core/dev.c:9787)
[   27.318448][  T924]  ? netif_change_name (net/core/dev.c:1495)
[   27.318580][  T924]  ? __dev_change_flags (net/core/dev.c:9752)
[   27.318712][  T924]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   27.318839][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.319454][  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))
[   27.319592][  T924]  netif_change_flags (net/core/dev.c:9820)
[   27.319723][  T924]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.319858][  T924]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.319996][  T924]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.320123][  T924]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.320281][  T924]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.320413][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.320545][  T924]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.320676][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.320804][  T924]  ? __kernel_text_address (kernel/extable.c:79)
[   27.320938][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.321066][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.321196][  T924]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.321324][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.321459][  T924]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.321589][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.321719][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.321845][  T924]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.321979][  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)
[   27.322106][  T924]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.322234][  T924]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.322368][  T924]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.322498][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.322632][  T924]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.322766][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.322897][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.323024][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.323150][  T924]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.323274][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.323409][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.323536][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.323664][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.323796][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.323928][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.324055][  T924]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.324180][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.324306][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.324435][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.324564][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.324694][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.324826][  T924]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.324959][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.325088][  T924]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.325217][  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))
[   27.325346][  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))
[   27.325473][  T924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.325606][  T924]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.325737][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.325868][  T924]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.326003][  T924]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.326132][  T924]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.326265][  T924]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.326400][  T924]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.326528][  T924]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.326687][  T924]  ? move_addr_to_kernel (net/socket.c:258)
[   27.326817][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.326961][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.327105][  T924]  ___sys_sendmsg (net/socket.c:2752)
[   27.327232][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.327394][  T924]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.327535][  T924]  __sys_sendmsg (net/socket.c:2784)
[   27.327667][  T924]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.327796][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.327962][  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)
[   27.328090][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.328219][  T924]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.328350][  T924]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.328477][  T924]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.328605][  T924]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.328762][  T924] RIP: 0033:0x7f5f6e63808e
[   27.328902][  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
[   27.329374][  T924] RSP: 002b:00007ffd40f5f8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.329566][  T924] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f6e63808e
[   27.329758][  T924] RDX: 0000000000000000 RSI: 00007ffd40f5f960 RDI: 0000000000000005
[   27.329958][  T924] RBP: 00007ffd40f5f8c0 R08: 0000000000000000 R09: 0000000000000000
[   27.330146][  T924] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec20
[   27.330338][  T924] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd40f60030
| [   27.471682][  T933] ------------[ cut here ]------------
| [   27.471847][  T933] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/933
| [   27.472571][  T933] Modules linked in: ip6_gre ip_gre gre
| [   27.472981][  T933] Tainted: [W]=WARN
[   27.473078][  T933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.473241][  T933] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.473415][  T933] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.473874][  T933] RSP: 0018:ffa0000000577060 EFLAGS: 00010286
[   27.474041][  T933] RAX: 00000000ffffffa6 RBX: ff1100000c109700 RCX: 1ff40000000aedd2
[   27.474236][  T933] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1097bc
[   27.474439][  T933] RBP: ff11000010119000 R08: 1fe22000018212f9 R09: ff110000101c2e58
[   27.474628][  T933] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   27.474816][  T933] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000005770f8
[   27.475017][  T933] FS:  00007fd65fcfb840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   27.475242][  T933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.475408][  T933] CR2: 0000000004d4a988 CR3: 0000000010565001 CR4: 0000000000771ef0
[   27.475602][  T933] PKRU: 55555554
[   27.475698][  T933] Call Trace:
[   27.475793][  T933]  <TASK>
[   27.475859][  T933]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.475992][  T933]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.476090][  T933]  netif_close_many (net/core/dev.c:1804)
[   27.476221][  T933]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.476356][  T933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.476485][  T933]  ? __dev_close_many (net/core/dev.c:1781)
[   27.476613][  T933]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.476774][  T933]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.476939][  T933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.477066][  T933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.477193][  T933]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.477357][  T933]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.477486][  T933]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.477613][  T933]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.477772][  T933]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   27.477908][  T933]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   27.478041][  T933]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.478170][  T933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.478296][  T933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.478428][  T933]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.478555][  T933]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.478680][  T933]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.478826][  T933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.478958][  T933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.479085][  T933]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.479213][  T933]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.479342][  T933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.479469][  T933]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   27.479599][  T933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.479726][  T933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.479852][  T933]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.479987][  T933]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.480117][  T933]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.480245][  T933]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.480376][  T933]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.480503][  T933]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.480633][  T933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.480766][  T933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.480897][  T933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.481028][  T933]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.481156][  T933]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.481285][  T933]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.481422][  T933]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.481548][  T933]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.481678][  T933]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.481812][  T933]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.481947][  T933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.482076][  T933]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.482206][  T933]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.482338][  T933]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.482470][  T933]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.482597][  T933]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.482724][  T933]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.482881][  T933]  ? move_addr_to_kernel (net/socket.c:258)
[   27.483014][  T933]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.483142][  T933]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.483272][  T933]  ___sys_sendmsg (net/socket.c:2752)
[   27.483403][  T933]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.483561][  T933]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.483700][  T933]  __sys_sendmsg (net/socket.c:2784)
[   27.483828][  T933]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.483958][  T933]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.484119][  T933]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.484246][  T933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.484378][  T933]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.484508][  T933]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.484635][  T933]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.484762][  T933]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.484925][  T933] RIP: 0033:0x7fd65ff3508e
[   27.485060][  T933] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.485518][  T933] RSP: 002b:00007fffa8f6ade0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.485712][  T933] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd65ff3508e
[   27.485910][  T933] RDX: 0000000000000000 RSI: 00007fffa8f6ae90 RDI: 0000000000000005
[   27.486101][  T933] RBP: 00007fffa8f6adf0 R08: 0000000000000000 R09: 0000000000000000
[   27.486290][  T933] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec20
[   27.486485][  T933] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa8f6b560
| [   27.488852][  T933] ------------[ cut here ]------------
| [   27.488985][  T933] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/933
| [   27.489196][  T933] Modules linked in: ip6_gre ip_gre gre
| [   27.489582][  T933] Tainted: [W]=WARN
[   27.489676][  T933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.489831][  T933] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.490574][  T933] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.491103][  T933] RSP: 0018:ffa0000000577190 EFLAGS: 00010286
[   27.491257][  T933] RAX: 00000000ffffffa6 RBX: ff1100000e174e40 RCX: 1ff40000000aedf8
[   27.491445][  T933] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e174efc
[   27.491626][  T933] RBP: ff11000010119000 R08: 1fe2200001c2e9e1 R09: ff110000101c2e58
[   27.491810][  T933] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.492077][  T933] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.492262][  T933] FS:  00007fd65fcfb840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   27.492481][  T933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.492676][  T933] CR2: 0000000004d4a988 CR3: 0000000010565001 CR4: 0000000000771ef0
[   27.492863][  T933] PKRU: 55555554
[   27.492958][  T933] Call Trace:
[   27.493050][  T933]  <TASK>
[   27.493113][  T933]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.493270][  T933]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.493436][  T933]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.493559][  T933]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.493681][  T933]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.493836][  T933]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   27.493966][  T933]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.494090][  T933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.494212][  T933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.494338][  T933]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.494461][  T933]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.494582][  T933]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.494723][  T933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.494844][  T933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.494971][  T933]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.495094][  T933]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.495216][  T933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.495343][  T933]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   27.495468][  T933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.495590][  T933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.495712][  T933]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.495835][  T933]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.495962][  T933]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.496086][  T933]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.496209][  T933]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.496336][  T933]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.496458][  T933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.496584][  T933]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.496705][  T933]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.496829][  T933]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.496957][  T933]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.497080][  T933]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.497205][  T933]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.497327][  T933]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.497456][  T933]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.497581][  T933]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.497703][  T933]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.497827][  T933]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.497955][  T933]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.498078][  T933]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.498201][  T933]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.498324][  T933]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.498453][  T933]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.498602][  T933]  ? move_addr_to_kernel (net/socket.c:258)
[   27.498725][  T933]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.498847][  T933]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.498975][  T933]  ___sys_sendmsg (net/socket.c:2752)
[   27.499097][  T933]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.499249][  T933]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.499387][  T933]  __sys_sendmsg (net/socket.c:2784)
[   27.499509][  T933]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.499630][  T933]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.499783][  T933]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.499912][  T933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.500035][  T933]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.500157][  T933]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.500282][  T933]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.500409][  T933]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.500559][  T933] RIP: 0033:0x7fd65ff3508e
[   27.500686][  T933] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.501125][  T933] RSP: 002b:00007fffa8f6ade0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.501307][  T933] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd65ff3508e
[   27.501493][  T933] RDX: 0000000000000000 RSI: 00007fffa8f6ae90 RDI: 0000000000000005
[   27.501674][  T933] RBP: 00007fffa8f6adf0 R08: 0000000000000000 R09: 0000000000000000
[   27.501853][  T933] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec20
[   27.502042][  T933] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa8f6b560
| [   27.565050][  T934] ------------[ cut here ]------------
| [   27.565202][  T934] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/934
| [   27.565434][  T934] Modules linked in: ip6_gre ip_gre gre
| [   27.565835][  T934] Tainted: [W]=WARN
[   27.565943][  T934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.566108][  T934] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.566277][  T934] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.566745][  T934] RSP: 0018:ffa000000102f1b0 EFLAGS: 00010286
[   27.566914][  T934] RAX: 00000000ffffffa6 RBX: ff1100000e22a900 RCX: 1ff4000000205dfc
[   27.567112][  T934] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22a9bc
[   27.567306][  T934] RBP: ff1100000e7d9000 R08: 1fe2200001c45539 R09: ff11000009ac2e80
[   27.567502][  T934] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.567699][  T934] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300e60
[   27.567899][  T934] FS:  00007f4c49c00840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   27.568130][  T934] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.568294][  T934] CR2: 00007f4c49edacb0 CR3: 000000000f59f004 CR4: 0000000000771ef0
[   27.568496][  T934] PKRU: 55555554
[   27.568595][  T934] Call Trace:
[   27.568693][  T934]  <TASK>
[   27.568762][  T934]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.568901][  T934]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.569002][  T934]  __dev_notify_flags (net/core/dev.c:9787)
[   27.569138][  T934]  ? netif_change_name (net/core/dev.c:1495)
[   27.569270][  T934]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.569406][  T934]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.569541][  T934]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   27.569672][  T934]  ? nla_strscpy (lib/nlattr.c:795)
[   27.569804][  T934]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   27.569942][  T934]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   27.570074][  T934]  ? __dev_get_by_name (net/core/dev.c:883)
[   27.570205][  T934]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   27.570344][  T934]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   27.570481][  T934]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.570615][  T934]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.570745][  T934]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.570877][  T934]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.571015][  T934]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.571145][  T934]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.571284][  T934]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.571422][  T934]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.571555][  T934]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.571686][  T934]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.571815][  T934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.571951][  T934]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.572086][  T934]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.572218][  T934]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.572356][  T934]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.572488][  T934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.572621][  T934]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.572754][  T934]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.572890][  T934]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.573023][  T934]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.573158][  T934]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.573292][  T934]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.573430][  T934]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.573562][  T934]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.573695][  T934]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.573828][  T934]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.573965][  T934]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.574101][  T934]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.574268][  T934]  ? move_addr_to_kernel (net/socket.c:258)
[   27.574407][  T934]  ___sys_sendmsg (net/socket.c:2752)
[   27.574539][  T934]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.574670][  T934]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.574812][  T934]  ? 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))
[   27.574951][  T934]  __sys_sendmsg (net/socket.c:2784)
[   27.575082][  T934]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.575218][  T934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.575355][  T934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.575487][  T934]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.575621][  T934]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.575752][  T934]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.575889][  T934]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.576052][  T934] RIP: 0033:0x7f4c49e3a08e
[   27.576189][  T934] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.576661][  T934] RSP: 002b:00007ffd2de0ca00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.576860][  T934] RAX: ffffffffffffffda RBX: 00007ffd2de0d1b0 RCX: 00007f4c49e3a08e
[   27.577059][  T934] RDX: 0000000000000000 RSI: 00007ffd2de0cab0 RDI: 0000000000000005
[   27.577252][  T934] RBP: 00007ffd2de0ca10 R08: 0000000000000000 R09: 0000000000000000
[   27.577453][  T934] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec20
[   27.577647][  T934] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2de0d170
| [   27.640028][  T936] ------------[ cut here ]------------
| [   27.640218][  T936] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/936
| [   27.640498][  T936] Modules linked in: ip6_gre ip_gre gre
| [   27.641375][  T936] Tainted: [W]=WARN
[   27.641516][  T936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.641724][  T936] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.641954][  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
[   27.642472][  T936] RSP: 0018:ffa000000104f020 EFLAGS: 00010286
[   27.642700][  T936] RAX: 00000000ffffffa6 RBX: ff1100000c991a80 RCX: 1ff4000000209dca
[   27.642958][  T936] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c991b3c
[   27.643204][  T936] RBP: ff1100000e7d9000 R08: 1fe2200001932369 R09: ff1100000fd90b58
[   27.643455][  T936] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   27.643695][  T936] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.643948][  T936] FS:  00007fde2d5b8840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   27.644218][  T936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.644433][  T936] CR2: 0000000038904988 CR3: 0000000009bbf006 CR4: 0000000000771ef0
[   27.644676][  T936] PKRU: 55555554
[   27.644818][  T936] Call Trace:
[   27.644973][  T936]  <TASK>
[   27.645090][  T936]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.645268][  T936]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.645424][  T936]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.645599][  T936]  __dev_notify_flags (net/core/dev.c:9787)
[   27.645777][  T936]  ? netif_change_name (net/core/dev.c:1495)
[   27.645965][  T936]  ? __dev_change_flags (net/core/dev.c:9752)
[   27.646141][  T936]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   27.646318][  T936]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.646505][  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))
[   27.646682][  T936]  netif_change_flags (net/core/dev.c:9820)
[   27.646858][  T936]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.647048][  T936]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.647227][  T936]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.647409][  T936]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.647620][  T936]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.647795][  T936]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.647985][  T936]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.648161][  T936]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.648344][  T936]  ? __kernel_text_address (kernel/extable.c:79)
[   27.648521][  T936]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.648699][  T936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.648877][  T936]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.649067][  T936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.649243][  T936]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.649427][  T936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.649602][  T936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.649777][  T936]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.649966][  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)
[   27.650146][  T936]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.650322][  T936]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.650507][  T936]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.650683][  T936]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.650863][  T936]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.651053][  T936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.651227][  T936]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.651409][  T936]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.651585][  T936]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.651760][  T936]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.651949][  T936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.652124][  T936]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.652300][  T936]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.652483][  T936]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.652660][  T936]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.652836][  T936]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.653029][  T936]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.653203][  T936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.653384][  T936]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.653562][  T936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.653736][  T936]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.653927][  T936]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.654103][  T936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.654279][  T936]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.654472][  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))
[   27.654647][  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))
[   27.654825][  T936]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.655014][  T936]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.655190][  T936]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.655375][  T936]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.655552][  T936]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.655732][  T936]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.655921][  T936]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.656096][  T936]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.656269][  T936]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.656481][  T936]  ? move_addr_to_kernel (net/socket.c:258)
[   27.656659][  T936]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.656834][  T936]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.657027][  T936]  ___sys_sendmsg (net/socket.c:2752)
[   27.657202][  T936]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.657414][  T936]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.657600][  T936]  __sys_sendmsg (net/socket.c:2784)
[   27.657775][  T936]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.657963][  T936]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.658172][  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)
[   27.658358][  T936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.658534][  T936]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.658711][  T936]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.658897][  T936]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.659071][  T936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.659275][  T936] RIP: 0033:0x7fde2d7f208e
[   27.659464][  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
[   27.659976][  T936] RSP: 002b:00007ffffd698410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.660213][  T936] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde2d7f208e
[   27.660460][  T936] RDX: 0000000000000000 RSI: 00007ffffd6984c0 RDI: 0000000000000005
[   27.660700][  T936] RBP: 00007ffffd698420 R08: 0000000000000000 R09: 0000000000000000
[   27.660950][  T936] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec20
[   27.661187][  T936] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffd698b90
| [   27.770405][  T944] ------------[ cut here ]------------
| [   27.770553][  T944] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/944
| [   27.770782][  T944] Modules linked in: ip6_gre ip_gre gre
| [   27.771190][  T944] Tainted: [W]=WARN
[   27.771292][  T944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.771458][  T944] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.771623][  T944] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.772083][  T944] RSP: 0018:ffa000000109f020 EFLAGS: 00010286
[   27.772243][  T944] RAX: 00000000ffffffa6 RBX: ff1100000576c040 RCX: 1ff4000000213dca
[   27.772437][  T944] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576c0fc
[   27.772630][  T944] RBP: ff1100000e7d9000 R08: 1fe2200000aed821 R09: ff11000010495158
[   27.772823][  T944] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   27.773017][  T944] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.773207][  T944] FS:  00007f505300a840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   27.773434][  T944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.773593][  T944] CR2: 0000000024541988 CR3: 000000000f536001 CR4: 0000000000771ef0
[   27.773785][  T944] PKRU: 55555554
[   27.773880][  T944] Call Trace:
[   27.773980][  T944]  <TASK>
[   27.774047][  T944]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.774175][  T944]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.774272][  T944]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.774404][  T944]  __dev_notify_flags (net/core/dev.c:9787)
[   27.774533][  T944]  ? netif_change_name (net/core/dev.c:1495)
[   27.774660][  T944]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   27.774789][  T944]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   27.774973][  T944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.775101][  T944]  ? 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))
[   27.775229][  T944]  netif_change_flags (net/core/dev.c:9820)
[   27.775360][  T944]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.775488][  T944]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.775618][  T944]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.775745][  T944]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.775960][  T944]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.776089][  T944]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.776218][  T944]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.776346][  T944]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.776473][  T944]  ? __kernel_text_address (kernel/extable.c:79)
[   27.776601][  T944]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.776730][  T944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.776856][  T944]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.777039][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.777166][  T944]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.777293][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.777425][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.777553][  T944]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.777681][  T944]  ? __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)
[   27.777811][  T944]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.777992][  T944]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.778120][  T944]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.778249][  T944]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.778384][  T944]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.778512][  T944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.778640][  T944]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.778771][  T944]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.778968][  T944]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.779098][  T944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.779230][  T944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.779360][  T944]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.779487][  T944]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.779615][  T944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.779743][  T944]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.779871][  T944]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.780084][  T944]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.780211][  T944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.780340][  T944]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.780469][  T944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.780596][  T944]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.780724][  T944]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.780851][  T944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.781065][  T944]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.781197][  T944]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.781322][  T944]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.781456][  T944]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.781584][  T944]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.781712][  T944]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.781841][  T944]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.782046][  T944]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.782176][  T944]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.782304][  T944]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.782435][  T944]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.782561][  T944]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.782717][  T944]  ? move_addr_to_kernel (net/socket.c:258)
[   27.782844][  T944]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.783046][  T944]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.783176][  T944]  ___sys_sendmsg (net/socket.c:2752)
[   27.783302][  T944]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.783463][  T944]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.783602][  T944]  __sys_sendmsg (net/socket.c:2784)
[   27.783729][  T944]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.783855][  T944]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.784110][  T944]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.784238][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.784370][  T944]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.784498][  T944]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.784625][  T944]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.784753][  T944]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.784988][  T944] RIP: 0033:0x7f505324408e
[   27.785122][  T944] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.785578][  T944] RSP: 002b:00007ffc86b46430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.785769][  T944] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f505324408e
[   27.786032][  T944] RDX: 0000000000000000 RSI: 00007ffc86b464e0 RDI: 0000000000000005
[   27.786222][  T944] RBP: 00007ffc86b46440 R08: 0000000000000000 R09: 0000000000000000
[   27.786419][  T944] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec21
[   27.786607][  T944] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc86b46bb0
| [   27.847545][  T946] ------------[ cut here ]------------
| [   27.847723][  T946] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/946
| [   27.848005][  T946] Modules linked in: ip6_gre ip_gre gre
| [   27.848495][  T946] Tainted: [W]=WARN
[   27.848634][  T946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.848837][  T946] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.849061][  T946] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.849572][  T946] RSP: 0018:ffa000000109f020 EFLAGS: 00010286
[   27.849777][  T946] RAX: 00000000ffffffa6 RBX: ff1100000c2d2580 RCX: 1ff4000000213dca
[   27.850030][  T946] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2d263c
[   27.850262][  T946] RBP: ff1100000e7d9000 R08: 1fe220000185a4c9 R09: ff1100001046ae58
[   27.850499][  T946] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   27.850731][  T946] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   27.850979][  T946] FS:  00007f91008a3840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   27.851255][  T946] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.851468][  T946] CR2: 000000000a806988 CR3: 00000000105e1002 CR4: 0000000000771ef0
[   27.851701][  T946] PKRU: 55555554
[   27.851842][  T946] Call Trace:
[   27.851996][  T946]  <TASK>
[   27.852107][  T946]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.852280][  T946]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.852433][  T946]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.852604][  T946]  __dev_notify_flags (net/core/dev.c:9787)
[   27.852783][  T946]  ? netif_change_name (net/core/dev.c:1495)
[   27.852965][  T946]  ? __dev_change_flags (net/core/dev.c:9752)
[   27.853140][  T946]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   27.853313][  T946]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.853494][  T946]  ? 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))
[   27.853669][  T946]  netif_change_flags (net/core/dev.c:9820)
[   27.853845][  T946]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.854031][  T946]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.854208][  T946]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.854390][  T946]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.854597][  T946]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.854769][  T946]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.854952][  T946]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.855126][  T946]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.855298][  T946]  ? __kernel_text_address (kernel/extable.c:79)
[   27.855473][  T946]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.855646][  T946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.855818][  T946]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.855999][  T946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.856172][  T946]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.856351][  T946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.856523][  T946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.856696][  T946]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.856868][  T946]  ? __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)
[   27.857135][  T946]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.857379][  T946]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.857606][  T946]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.857868][  T946]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.858128][  T946]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.858370][  T946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.858564][  T946]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.858733][  T946]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.858918][  T946]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.859088][  T946]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.859270][  T946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.859454][  T946]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.859627][  T946]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.859799][  T946]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.859985][  T946]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.860157][  T946]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.860329][  T946]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.860510][  T946]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.860681][  T946]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.860856][  T946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.861038][  T946]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.861211][  T946]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.861390][  T946]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.861564][  T946]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.861741][  T946]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.861924][  T946]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.862099][  T946]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.862274][  T946]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.862455][  T946]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.862631][  T946]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.862804][  T946]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.862989][  T946]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.863164][  T946]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.863342][  T946]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.863518][  T946]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.863718][  T946]  ? move_addr_to_kernel (net/socket.c:258)
[   27.863903][  T946]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.864074][  T946]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.864249][  T946]  ___sys_sendmsg (net/socket.c:2752)
[   27.864428][  T946]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.864632][  T946]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.864817][  T946]  __sys_sendmsg (net/socket.c:2784)
[   27.865001][  T946]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.865171][  T946]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.865380][  T946]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.865552][  T946]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   27.865723][  T946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.865909][  T946]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.866084][  T946]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.866257][  T946]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.866436][  T946]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.866638][  T946] RIP: 0033:0x7f9100add08e
[   27.866815][  T946] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.867314][  T946] RSP: 002b:00007ffd96020690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.867556][  T946] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9100add08e
[   27.867789][  T946] RDX: 0000000000000000 RSI: 00007ffd96020740 RDI: 0000000000000005
[   27.868036][  T946] RBP: 00007ffd960206a0 R08: 0000000000000000 R09: 0000000000000000
[   27.868272][  T946] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec21
[   27.868513][  T946] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd96020e10
| [   28.020325][  T955] ------------[ cut here ]------------
| [   28.020478][  T955] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/955
| [   28.020700][  T955] Modules linked in: ip6_gre ip_gre gre
| [   28.021537][  T955] Tainted: [W]=WARN
[   28.021635][  T955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.021792][  T955] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.021962][  T955] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.022414][  T955] RSP: 0018:ffa000000113f060 EFLAGS: 00010286
[   28.022569][  T955] RAX: 00000000ffffffa6 RBX: ff1100000c2db540 RCX: 1ff4000000227dd2
[   28.022755][  T955] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2db5fc
[   28.022945][  T955] RBP: ff1100000e7d9000 R08: 1fe220000185b6c1 R09: ff1100000e3f8b58
[   28.023131][  T955] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   28.023318][  T955] R13: 0000000000000000 R14: 0000000000000000 R15: ffa000000113f0f8
[   28.023516][  T955] FS:  00007ff3db40b840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   28.023734][  T955] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.023896][  T955] CR2: 000000003420c988 CR3: 000000000f39b006 CR4: 0000000000771ef0
[   28.024084][  T955] PKRU: 55555554
[   28.024177][  T955] Call Trace:
[   28.024271][  T955]  <TASK>
[   28.024341][  T955]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.024469][  T955]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.024564][  T955]  netif_close_many (net/core/dev.c:1804)
[   28.024688][  T955]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.024812][  T955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.024944][  T955]  ? __dev_close_many (net/core/dev.c:1781)
[   28.025070][  T955]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   28.025227][  T955]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   28.025390][  T955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.025514][  T955]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.025638][  T955]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.025792][  T955]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.025922][  T955]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.026046][  T955]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.026203][  T955]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   28.026332][  T955]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   28.026462][  T955]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   28.026588][  T955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.026711][  T955]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.026834][  T955]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.026967][  T955]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.027091][  T955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.027235][  T955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.027367][  T955]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.027491][  T955]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.027614][  T955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.027740][  T955]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.027865][  T955]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   28.027998][  T955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.028123][  T955]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.028247][  T955]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.028374][  T955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.028500][  T955]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.028625][  T955]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.028749][  T955]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.028873][  T955]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.029004][  T955]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.029129][  T955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.029253][  T955]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.029381][  T955]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.029506][  T955]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.029631][  T955]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.029758][  T955]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.029881][  T955]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.030015][  T955]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.030141][  T955]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.030266][  T955]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.030395][  T955]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.030520][  T955]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.030645][  T955]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.030772][  T955]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.030899][  T955]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.031024][  T955]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.031178][  T955]  ? move_addr_to_kernel (net/socket.c:258)
[   28.031308][  T955]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.031437][  T955]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.031562][  T955]  ___sys_sendmsg (net/socket.c:2752)
[   28.031686][  T955]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.031843][  T955]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.031984][  T955]  __sys_sendmsg (net/socket.c:2784)
[   28.032108][  T955]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.032231][  T955]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.032391][  T955]  ? 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)
[   28.032516][  T955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.032642][  T955]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.032768][  T955]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.032898][  T955]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.033023][  T955]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.033178][  T955] RIP: 0033:0x7ff3db64508e
[   28.033311][  T955] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.033758][  T955] RSP: 002b:00007ffc944febc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.033951][  T955] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff3db64508e
[   28.034136][  T955] RDX: 0000000000000000 RSI: 00007ffc944fec70 RDI: 0000000000000005
[   28.034320][  T955] RBP: 00007ffc944febd0 R08: 0000000000000000 R09: 0000000000000000
[   28.034512][  T955] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec21
[   28.034696][  T955] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc944ff340
| [   28.036980][  T955] ------------[ cut here ]------------
| [   28.037102][  T955] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/955
| [   28.037305][  T955] Modules linked in: ip6_gre ip_gre gre
| [   28.037673][  T955] Tainted: [W]=WARN
[   28.037764][  T955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.038449][  T955] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.038606][  T955] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.039037][  T955] RSP: 0018:ffa000000113f190 EFLAGS: 00010286
[   28.039193][  T955] RAX: 00000000ffffffa6 RBX: ff1100000d15eac0 RCX: 1ff4000000227df8
[   28.039373][  T955] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15eb7c
[   28.039551][  T955] RBP: ff1100000e7d9000 R08: 1fe2200001a2bd71 R09: ff1100000e3f8b58
[   28.039727][  T955] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   28.039912][  T955] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.040091][  T955] FS:  00007ff3db40b840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   28.040299][  T955] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.040454][  T955] CR2: 000000003420c988 CR3: 000000000f39b006 CR4: 0000000000771ef0
[   28.040635][  T955] PKRU: 55555554
[   28.040725][  T955] Call Trace:
[   28.040814][  T955]  <TASK>
[   28.040876][  T955]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.041048][  T955]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.041197][  T955]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.041317][  T955]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.041441][  T955]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.041593][  T955]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   28.041715][  T955]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   28.041838][  T955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.041963][  T955]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.042085][  T955]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.042207][  T955]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.042327][  T955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.042468][  T955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.042588][  T955]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.042708][  T955]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.042827][  T955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.042952][  T955]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.043072][  T955]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   28.043194][  T955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.043313][  T955]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.043438][  T955]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.043559][  T955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.043680][  T955]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.043800][  T955]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.043926][  T955]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.044047][  T955]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.044165][  T955]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.044288][  T955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.044413][  T955]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.044534][  T955]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.044656][  T955]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.044778][  T955]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.044908][  T955]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.045029][  T955]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.045151][  T955]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.045274][  T955]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.045400][  T955]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.045522][  T955]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.045644][  T955]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.045767][  T955]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.045895][  T955]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.046015][  T955]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.046136][  T955]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.046285][  T955]  ? move_addr_to_kernel (net/socket.c:258)
[   28.046412][  T955]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.046533][  T955]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.046655][  T955]  ___sys_sendmsg (net/socket.c:2752)
[   28.046784][  T955]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.046938][  T955]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.047072][  T955]  __sys_sendmsg (net/socket.c:2784)
[   28.047194][  T955]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.047314][  T955]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.047472][  T955]  ? 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)
[   28.047593][  T955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.047714][  T955]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.047834][  T955]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.047961][  T955]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.048081][  T955]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.048230][  T955] RIP: 0033:0x7ff3db64508e
[   28.048360][  T955] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.048784][  T955] RSP: 002b:00007ffc944febc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.048970][  T955] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff3db64508e
[   28.049151][  T955] RDX: 0000000000000000 RSI: 00007ffc944fec70 RDI: 0000000000000005
[   28.049334][  T955] RBP: 00007ffc944febd0 R08: 0000000000000000 R09: 0000000000000000
[   28.049512][  T955] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec21
[   28.049692][  T955] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc944ff340
| [   28.093632][  T956] ------------[ cut here ]------------
| [   28.093782][  T956] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/956
| [   28.094521][  T956] Modules linked in: ip6_gre ip_gre gre
| [   28.094986][  T956] Tainted: [W]=WARN
[   28.095087][  T956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.095250][  T956] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.095426][  T956] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.095949][  T956] RSP: 0018:ffa000000114f1b0 EFLAGS: 00010286
[   28.096115][  T956] RAX: 00000000ffffffa6 RBX: ff1100000e22a3c0 RCX: 1ff4000000229dfc
[   28.096368][  T956] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22a47c
[   28.096563][  T956] RBP: ff11000010264000 R08: 1fe2200001c45491 R09: ff1100000a9f8b80
[   28.096758][  T956] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   28.097011][  T956] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300e60
[   28.097207][  T956] FS:  00007fd84a7a2840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   28.097439][  T956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.097604][  T956] CR2: 00007fd84aa7ccb0 CR3: 00000000060c6003 CR4: 0000000000771ef0
[   28.097799][  T956] PKRU: 55555554
[   28.097967][  T956] Call Trace:
[   28.098065][  T956]  <TASK>
[   28.098133][  T956]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.098265][  T956]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.098370][  T956]  __dev_notify_flags (net/core/dev.c:9787)
[   28.098503][  T956]  ? netif_change_name (net/core/dev.c:1495)
[   28.098635][  T956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.098770][  T956]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   28.098958][  T956]  ? nla_strscpy (lib/nlattr.c:795)
[   28.099091][  T956]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   28.099224][  T956]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   28.099362][  T956]  ? __dev_get_by_name (net/core/dev.c:883)
[   28.099496][  T956]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   28.099633][  T956]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   28.099768][  T956]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.099960][  T956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.100094][  T956]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.100225][  T956]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.100360][  T956]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.100489][  T956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.100624][  T956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.100756][  T956]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.100967][  T956]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.101099][  T956]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.101229][  T956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.101363][  T956]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.101496][  T956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.101627][  T956]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.101761][  T956]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.101969][  T956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.102103][  T956]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.102239][  T956]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.102378][  T956]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.102511][  T956]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.102643][  T956]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.102777][  T956]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.102999][  T956]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.103133][  T956]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.103267][  T956]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.103405][  T956]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.103535][  T956]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.103666][  T956]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.103829][  T956]  ? move_addr_to_kernel (net/socket.c:258)
[   28.104053][  T956]  ___sys_sendmsg (net/socket.c:2752)
[   28.104185][  T956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.104316][  T956]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.104464][  T956]  ? 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))
[   28.104599][  T956]  __sys_sendmsg (net/socket.c:2784)
[   28.104731][  T956]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.104866][  T956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.105088][  T956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.105221][  T956]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.105358][  T956]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.105491][  T956]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.105621][  T956]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.105785][  T956] RIP: 0033:0x7fd84a9dc08e
[   28.105994][  T956] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.106471][  T956] RSP: 002b:00007ffd92aae970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.106671][  T956] RAX: ffffffffffffffda RBX: 00007ffd92aaf120 RCX: 00007fd84a9dc08e
[   28.106866][  T956] RDX: 0000000000000000 RSI: 00007ffd92aaea20 RDI: 0000000000000005
[   28.107118][  T956] RBP: 00007ffd92aae980 R08: 0000000000000000 R09: 0000000000000000
[   28.107313][  T956] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec21
[   28.107511][  T956] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd92aaf0e0
| [   28.171941][  T958] ------------[ cut here ]------------
| [   28.172128][  T958] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/958
| [   28.172406][  T958] Modules linked in: ip6_gre ip_gre gre
| [   28.172906][  T958] Tainted: [W]=WARN
[   28.173050][  T958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.173268][  T958] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.173490][  T958] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.174010][  T958] RSP: 0018:ffa000000116f020 EFLAGS: 00010286
[   28.174219][  T958] RAX: 00000000ffffffa6 RBX: ff1100000cefde00 RCX: 1ff400000022ddca
[   28.174466][  T958] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cefdebc
[   28.174707][  T958] RBP: ff11000010264000 R08: 1fe22000019dfbd9 R09: ff11000010a60b58
[   28.175054][  T958] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   28.175386][  T958] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.175694][  T958] FS:  00007fb5ce006840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   28.176058][  T958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.176347][  T958] CR2: 0000000027233988 CR3: 00000000103c4003 CR4: 0000000000771ef0
[   28.176672][  T958] PKRU: 55555554
[   28.176870][  T958] Call Trace:
[   28.177022][  T958]  <TASK>
[   28.177137][  T958]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.177314][  T958]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.177470][  T958]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.177644][  T958]  __dev_notify_flags (net/core/dev.c:9787)
[   28.177824][  T958]  ? netif_change_name (net/core/dev.c:1495)
[   28.178292][  T958]  ? __dev_change_flags (net/core/dev.c:9752)
[   28.178481][  T958]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.178657][  T958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.178835][  T958]  ? 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))
[   28.179028][  T958]  netif_change_flags (net/core/dev.c:9820)
[   28.179207][  T958]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.179392][  T958]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   28.179572][  T958]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   28.179750][  T958]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   28.179968][  T958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.180143][  T958]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.180327][  T958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.180513][  T958]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.180688][  T958]  ? __kernel_text_address (kernel/extable.c:79)
[   28.180864][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.181056][  T958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.181231][  T958]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.181411][  T958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.181586][  T958]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.181759][  T958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.181947][  T958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.182123][  T958]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.182301][  T958]  ? __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)
[   28.182488][  T958]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   28.182668][  T958]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.182845][  T958]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   28.183035][  T958]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   28.183213][  T958]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.183397][  T958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.183569][  T958]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.183745][  T958]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.183932][  T958]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.184108][  T958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.184286][  T958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.184467][  T958]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.184643][  T958]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.184819][  T958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.185007][  T958]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.185184][  T958]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.185365][  T958]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.185539][  T958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.185712][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.185900][  T958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.186072][  T958]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.186248][  T958]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.186430][  T958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.186606][  T958]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.186784][  T958]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.186974][  T958]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.187153][  T958]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.187337][  T958]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.187512][  T958]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.187690][  T958]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.187868][  T958]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.188057][  T958]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.188234][  T958]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.188423][  T958]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.188602][  T958]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.188806][  T958]  ? move_addr_to_kernel (net/socket.c:258)
[   28.188996][  T958]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.189172][  T958]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.189356][  T958]  ___sys_sendmsg (net/socket.c:2752)
[   28.189530][  T958]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.189738][  T958]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.189938][  T958]  __sys_sendmsg (net/socket.c:2784)
[   28.190115][  T958]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.190287][  T958]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.190507][  T958]  ? 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)
[   28.190685][  T958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.190861][  T958]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.191052][  T958]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.191226][  T958]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.191410][  T958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.191616][  T958] RIP: 0033:0x7fb5ce24008e
[   28.191796][  T958] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.192312][  T958] RSP: 002b:00007ffc127341b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.192557][  T958] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb5ce24008e
[   28.192795][  T958] RDX: 0000000000000000 RSI: 00007ffc12734260 RDI: 0000000000000005
[   28.193045][  T958] RBP: 00007ffc127341c0 R08: 0000000000000000 R09: 0000000000000000
[   28.193282][  T958] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec21
[   28.193527][  T958] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc12734930
| [   28.311458][  T966] ------------[ cut here ]------------
| [   28.311662][  T966] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/966
| [   28.311947][  T966] Modules linked in: ip6_gre ip_gre gre
| [   28.312440][  T966] Tainted: [W]=WARN
[   28.312581][  T966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.312787][  T966] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.313478][  T966] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.313988][  T966] RSP: 0018:ffa000000119f020 EFLAGS: 00010286
[   28.314197][  T966] RAX: 00000000ffffffa6 RBX: ff110000051f6ac0 RCX: 1ff4000000233dca
[   28.314439][  T966] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f6b7c
[   28.314676][  T966] RBP: ff11000010264000 R08: 1fe2200000a3ed71 R09: ff110000100e8b58
[   28.314924][  T966] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   28.315161][  T966] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.315407][  T966] FS:  00007fd068311840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   28.315676][  T966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.315882][  T966] CR2: 00007fd0685e11a0 CR3: 00000000103dd005 CR4: 0000000000771ef0
[   28.316130][  T966] PKRU: 55555554
[   28.316272][  T966] Call Trace:
[   28.316421][  T966]  <TASK>
[   28.316535][  T966]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.316714][  T966]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.316859][  T966]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.317046][  T966]  __dev_notify_flags (net/core/dev.c:9787)
[   28.317226][  T966]  ? netif_change_name (net/core/dev.c:1495)
[   28.317409][  T966]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   28.317583][  T966]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.317756][  T966]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.317945][  T966]  ? 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))
[   28.318120][  T966]  netif_change_flags (net/core/dev.c:9820)
[   28.318298][  T966]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.318479][  T966]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   28.318656][  T966]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   28.318830][  T966]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   28.319051][  T966]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.319226][  T966]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.319408][  T966]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.319583][  T966]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.319759][  T966]  ? __kernel_text_address (kernel/extable.c:79)
[   28.319946][  T966]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.320123][  T966]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.320298][  T966]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.320478][  T966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.320653][  T966]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.320826][  T966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.321012][  T966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.321187][  T966]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.321372][  T966]  ? __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)
[   28.321546][  T966]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   28.321723][  T966]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.321911][  T966]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   28.322089][  T966]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   28.322268][  T966]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.322454][  T966]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.322628][  T966]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.322804][  T966]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.322990][  T966]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.323163][  T966]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.323348][  T966]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.323526][  T966]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.323701][  T966]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.323876][  T966]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.324065][  T966]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.324241][  T966]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.324424][  T966]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.324597][  T966]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.324771][  T966]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.324963][  T966]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.325136][  T966]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.325311][  T966]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.325493][  T966]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.325668][  T966]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.325846][  T966]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.326029][  T966]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.326209][  T966]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.326391][  T966]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.326566][  T966]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.326743][  T966]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.326944][  T966]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.327129][  T966]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.327306][  T966]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.327489][  T966]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.327665][  T966]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.327870][  T966]  ? move_addr_to_kernel (net/socket.c:258)
[   28.328058][  T966]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.328232][  T966]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.328413][  T966]  ___sys_sendmsg (net/socket.c:2752)
[   28.328585][  T966]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.328790][  T966]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.328989][  T966]  __sys_sendmsg (net/socket.c:2784)
[   28.329165][  T966]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.329343][  T966]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.329550][  T966]  ? 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)
[   28.329723][  T966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.329910][  T966]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.330085][  T966]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.330261][  T966]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.330440][  T966]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.330643][  T966] RIP: 0033:0x7fd06854b08e
[   28.330821][  T966] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.331338][  T966] RSP: 002b:00007fffe2f2f260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.331576][  T966] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd06854b08e
[   28.331812][  T966] RDX: 0000000000000000 RSI: 00007fffe2f2f310 RDI: 0000000000000005
[   28.332060][  T966] RBP: 00007fffe2f2f270 R08: 0000000000000000 R09: 0000000000000000
[   28.332296][  T966] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec21
[   28.332539][  T966] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe2f2f9e0
| [   28.391408][  T968] ------------[ cut here ]------------
| [   28.391554][  T968] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/968
| [   28.391774][  T968] Modules linked in: ip6_gre ip_gre gre
| [   28.392170][  T968] Tainted: [W]=WARN
[   28.392265][  T968] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.392427][  T968] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.392599][  T968] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.393056][  T968] RSP: 0018:ffa00000011bf020 EFLAGS: 00010286
[   28.393214][  T968] RAX: 00000000ffffffa6 RBX: ff1100000f23f1c0 RCX: 1ff4000000237dca
[   28.393406][  T968] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23f27c
[   28.393594][  T968] RBP: ff11000010264000 R08: 1fe2200001e47e51 R09: ff1100001005d158
[   28.393780][  T968] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   28.393973][  T968] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.394169][  T968] FS:  00007f75ce7fd840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   28.394462][  T968] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.394636][  T968] CR2: 00000000259bd988 CR3: 0000000012a08006 CR4: 0000000000771ef0
[   28.394832][  T968] PKRU: 55555554
[   28.394934][  T968] Call Trace:
[   28.395033][  T968]  <TASK>
[   28.395101][  T968]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.395235][  T968]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.395338][  T968]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.395466][  T968]  __dev_notify_flags (net/core/dev.c:9787)
[   28.395592][  T968]  ? netif_change_name (net/core/dev.c:1495)
[   28.395719][  T968]  ? __dev_change_flags (net/core/dev.c:9752)
[   28.395845][  T968]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.395978][  T968]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.396104][  T968]  ? 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))
[   28.396232][  T968]  netif_change_flags (net/core/dev.c:9820)
[   28.396365][  T968]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.396490][  T968]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   28.396619][  T968]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   28.396747][  T968]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   28.396910][  T968]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.397035][  T968]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.397160][  T968]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.397286][  T968]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.397416][  T968]  ? __kernel_text_address (kernel/extable.c:79)
[   28.397543][  T968]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.397672][  T968]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.397798][  T968]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.397994][  T968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.398121][  T968]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.398246][  T968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.398375][  T968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.398502][  T968]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.398629][  T968]  ? __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)
[   28.398755][  T968]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   28.398882][  T968]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.399145][  T968]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   28.399273][  T968]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   28.399406][  T968]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.399535][  T968]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.399659][  T968]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.399785][  T968]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.399984][  T968]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.400110][  T968]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.400237][  T968]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.400367][  T968]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.400493][  T968]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.400619][  T968]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.400745][  T968]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.400871][  T968]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.401070][  T968]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.401196][  T968]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.401321][  T968]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.401452][  T968]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.401578][  T968]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.401705][  T968]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.401833][  T968]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.402031][  T968]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.402162][  T968]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.402287][  T968]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.402419][  T968]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.402545][  T968]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.402672][  T968]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.402799][  T968]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.402983][  T968]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.403111][  T968]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.403237][  T968]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.403365][  T968]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.403489][  T968]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.403645][  T968]  ? move_addr_to_kernel (net/socket.c:258)
[   28.403772][  T968]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.403939][  T968]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.404066][  T968]  ___sys_sendmsg (net/socket.c:2752)
[   28.404190][  T968]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.404348][  T968]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.404486][  T968]  __sys_sendmsg (net/socket.c:2784)
[   28.404611][  T968]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.404736][  T968]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.404898][  T968]  ? 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)
[   28.405025][  T968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.405153][  T968]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.405281][  T968]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.405410][  T968]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.405537][  T968]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.405699][  T968] RIP: 0033:0x7f75cea3708e
[   28.405831][  T968] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.406279][  T968] RSP: 002b:00007fffebec1e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.406468][  T968] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f75cea3708e
[   28.406657][  T968] RDX: 0000000000000000 RSI: 00007fffebec1ee0 RDI: 0000000000000005
[   28.406844][  T968] RBP: 00007fffebec1e40 R08: 0000000000000000 R09: 0000000000000000
[   28.407036][  T968] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec21
[   28.407224][  T968] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffebec25b0
| [   28.546236][  T977] ------------[ cut here ]------------
| [   28.546435][  T977] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/977
| [   28.546703][  T977] Modules linked in: ip6_gre ip_gre gre
| [   28.547198][  T977] Tainted: [W]=WARN
[   28.547345][  T977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.547557][  T977] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.547766][  T977] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.548264][  T977] RSP: 0018:ffa000000122f060 EFLAGS: 00010286
[   28.548470][  T977] RAX: 00000000ffffffa6 RBX: ff1100000c30a900 RCX: 1ff4000000245dd2
[   28.548702][  T977] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30a9bc
[   28.549047][  T977] RBP: ff11000010264000 R08: 1fe2200001861539 R09: ff110000100a8b58
[   28.549371][  T977] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   28.549686][  T977] R13: 0000000000000000 R14: 0000000000000000 R15: ffa000000122f0f8
[   28.550002][  T977] FS:  00007f8bfa945840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   28.550358][  T977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.550614][  T977] CR2: 000000000455e988 CR3: 0000000005ea7001 CR4: 0000000000771ef0
[   28.550917][  T977] PKRU: 55555554
[   28.551107][  T977] Call Trace:
[   28.551298][  T977]  <TASK>
[   28.551468][  T977]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.551643][  T977]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.551786][  T977]  netif_close_many (net/core/dev.c:1804)
[   28.551968][  T977]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.552141][  T977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.552313][  T977]  ? __dev_close_many (net/core/dev.c:1781)
[   28.552493][  T977]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   28.552698][  T977]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   28.552917][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.553088][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.553261][  T977]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.553469][  T977]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.553642][  T977]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.553813][  T977]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.554027][  T977]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   28.554201][  T977]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   28.554380][  T977]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   28.554553][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.554723][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.554909][  T977]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.555082][  T977]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.555252][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.555452][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.555623][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.555797][  T977]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.555979][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.556150][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.556320][  T977]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   28.556500][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.556673][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.556846][  T977]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.557030][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.557202][  T977]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.557379][  T977]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.557551][  T977]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.557723][  T977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.557905][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.558080][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.558249][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.558429][  T977]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.558599][  T977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.558769][  T977]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.558955][  T977]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.559124][  T977]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.559297][  T977]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.559475][  T977]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.559646][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.559819][  T977]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.560008][  T977]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.560183][  T977]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.560363][  T977]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.560538][  T977]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.560709][  T977]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.560921][  T977]  ? move_addr_to_kernel (net/socket.c:258)
[   28.561096][  T977]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.561273][  T977]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.561459][  T977]  ___sys_sendmsg (net/socket.c:2752)
[   28.561634][  T977]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.561836][  T977]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.562033][  T977]  __sys_sendmsg (net/socket.c:2784)
[   28.562207][  T977]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.562378][  T977]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.562585][  T977]  ? 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)
[   28.562757][  T977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.562938][  T977]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.563111][  T977]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.563281][  T977]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.563463][  T977]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.563664][  T977] RIP: 0033:0x7f8bfab7f08e
[   28.563844][  T977] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.564355][  T977] RSP: 002b:00007ffd5dddcfb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.564589][  T977] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8bfab7f08e
[   28.564820][  T977] RDX: 0000000000000000 RSI: 00007ffd5dddd060 RDI: 0000000000000005
[   28.565064][  T977] RBP: 00007ffd5dddcfc0 R08: 0000000000000000 R09: 0000000000000000
[   28.565296][  T977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec21
[   28.565533][  T977] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5dddd730
| [   28.568211][  T977] ------------[ cut here ]------------
| [   28.568349][  T977] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/977
| [   28.568558][  T977] Modules linked in: ip6_gre ip_gre gre
| [   28.568947][  T977] Tainted: [W]=WARN
[   28.569039][  T977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.569191][  T977] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.569355][  T977] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.569788][  T977] RSP: 0018:ffa000000122f190 EFLAGS: 00010286
[   28.569949][  T977] RAX: 00000000ffffffa6 RBX: ff1100000cdac3c0 RCX: 1ff4000000245df8
[   28.570129][  T977] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdac47c
[   28.570310][  T977] RBP: ff11000010264000 R08: 1fe22000019b5891 R09: ff110000100a8b58
[   28.570493][  T977] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   28.570673][  T977] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.570855][  T977] FS:  00007f8bfa945840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   28.571077][  T977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.571230][  T977] CR2: 00007fc79f61b574 CR3: 0000000005ea7003 CR4: 0000000000771ef0
[   28.571419][  T977] PKRU: 55555554
[   28.571510][  T977] Call Trace:
[   28.571600][  T977]  <TASK>
[   28.571663][  T977]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.571818][  T977]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.571977][  T977]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.572098][  T977]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.572220][  T977]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.572376][  T977]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   28.572500][  T977]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   28.572622][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.572743][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.572865][  T977]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.572990][  T977]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.573112][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.573249][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.573374][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.573494][  T977]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.573613][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.573734][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.573856][  T977]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   28.573984][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.574103][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.574225][  T977]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.574348][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.574470][  T977]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.574591][  T977]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.574713][  T977]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.574834][  T977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.574959][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.575082][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.575202][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.575323][  T977]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.575449][  T977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.575571][  T977]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.575699][  T977]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.575818][  T977]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.575948][  T977]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.576072][  T977]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.576193][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.576315][  T977]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.576444][  T977]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.576566][  T977]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.576690][  T977]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.576811][  T977]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.576939][  T977]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.577089][  T977]  ? move_addr_to_kernel (net/socket.c:258)
[   28.577212][  T977]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.577340][  T977]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.577464][  T977]  ___sys_sendmsg (net/socket.c:2752)
[   28.577585][  T977]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.577734][  T977]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.577868][  T977]  __sys_sendmsg (net/socket.c:2784)
[   28.577995][  T977]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.578116][  T977]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.578268][  T977]  ? 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)
[   28.578398][  T977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.578520][  T977]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.578640][  T977]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.578761][  T977]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.578880][  T977]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.579039][  T977] RIP: 0033:0x7f8bfab7f08e
[   28.579166][  T977] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.579605][  T977] RSP: 002b:00007ffd5dddcfb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.579786][  T977] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8bfab7f08e
[   28.579971][  T977] RDX: 0000000000000000 RSI: 00007ffd5dddd060 RDI: 0000000000000005
[   28.580152][  T977] RBP: 00007ffd5dddcfc0 R08: 0000000000000000 R09: 0000000000000000
[   28.580338][  T977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec21
[   28.580520][  T977] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5dddd730
| [   28.620623][  T978] ------------[ cut here ]------------
| [   28.620802][  T978] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/978
| [   28.621086][  T978] Modules linked in: ip6_gre ip_gre gre
| [   28.621588][  T978] Tainted: [W]=WARN
[   28.621732][  T978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.621955][  T978] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.622172][  T978] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.622693][  T978] RSP: 0018:ffa000000123f1b0 EFLAGS: 00010286
[   28.622918][  T978] RAX: 00000000ffffffa6 RBX: ff1100000576c3c0 RCX: 1ff4000000247dfc
[   28.623159][  T978] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576c47c
[   28.623407][  T978] RBP: ff110000104e1000 R08: 1fe2200000aed891 R09: ff110000100aae80
[   28.623646][  T978] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   28.623900][  T978] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300e60
[   28.624143][  T978] FS:  00007f552a75d840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   28.624427][  T978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.624636][  T978] CR2: 00007f552aa37cb0 CR3: 000000000f39e004 CR4: 0000000000771ef0
[   28.624880][  T978] PKRU: 55555554
[   28.625035][  T978] Call Trace:
[   28.625178][  T978]  <TASK>
[   28.625292][  T978]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.625481][  T978]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.625629][  T978]  __dev_notify_flags (net/core/dev.c:9787)
[   28.625808][  T978]  ? netif_change_name (net/core/dev.c:1495)
[   28.625999][  T978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.626181][  T978]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   28.626365][  T978]  ? nla_strscpy (lib/nlattr.c:795)
[   28.626547][  T978]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   28.626730][  T978]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   28.626920][  T978]  ? __dev_get_by_name (net/core/dev.c:883)
[   28.627104][  T978]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   28.627288][  T978]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   28.627482][  T978]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.627662][  T978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.627839][  T978]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.628032][  T978]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.628209][  T978]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.628395][  T978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.628581][  T978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.628760][  T978]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.628951][  T978]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.629129][  T978]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.629306][  T978]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.629495][  T978]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.629678][  T978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.629859][  T978]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.630055][  T978]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.630239][  T978]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.630431][  T978]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.630619][  T978]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.630798][  T978]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.630995][  T978]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.631177][  T978]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.631360][  T978]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.631541][  T978]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.631721][  T978]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.631912][  T978]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.632094][  T978]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.632273][  T978]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.632458][  T978]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.632667][  T978]  ? move_addr_to_kernel (net/socket.c:258)
[   28.632850][  T978]  ___sys_sendmsg (net/socket.c:2752)
[   28.633036][  T978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.633215][  T978]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.633409][  T978]  ? 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))
[   28.633588][  T978]  __sys_sendmsg (net/socket.c:2784)
[   28.633768][  T978]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.633963][  T978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.634142][  T978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.634321][  T978]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.634509][  T978]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.634687][  T978]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.634866][  T978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.635087][  T978] RIP: 0033:0x7f552a99708e
[   28.635272][  T978] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.635796][  T978] RSP: 002b:00007ffcd277c400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.636054][  T978] RAX: ffffffffffffffda RBX: 00007ffcd277cbb0 RCX: 00007f552a99708e
[   28.636298][  T978] RDX: 0000000000000000 RSI: 00007ffcd277c4b0 RDI: 0000000000000005
[   28.636545][  T978] RBP: 00007ffcd277c410 R08: 0000000000000000 R09: 0000000000000000
[   28.636788][  T978] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec21
[   28.637044][  T978] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd277cb70
| [   28.699093][  T980] ------------[ cut here ]------------
| [   28.699278][  T980] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/980
| [   28.699558][  T980] Modules linked in: ip6_gre ip_gre gre
| [   28.700691][  T980] Tainted: [W]=WARN
[   28.700833][  T980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.701056][  T980] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.701270][  T980] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.701776][  T980] RSP: 0018:ffa000000125f020 EFLAGS: 00010286
[   28.701995][  T980] RAX: 00000000ffffffa6 RBX: ff1100000f23e900 RCX: 1ff400000024bdca
[   28.702232][  T980] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23e9bc
[   28.702475][  T980] RBP: ff110000104e1000 R08: 1fe2200001e47d39 R09: ff11000010220b58
[   28.702710][  T980] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   28.702955][  T980] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.703192][  T980] FS:  00007f265be59840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   28.703467][  T980] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.703672][  T980] CR2: 000000000cb8e988 CR3: 0000000005107006 CR4: 0000000000771ef0
[   28.703923][  T980] PKRU: 55555554
[   28.704066][  T980] Call Trace:
[   28.704207][  T980]  <TASK>
[   28.704318][  T980]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.704503][  T980]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.704648][  T980]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.704820][  T980]  __dev_notify_flags (net/core/dev.c:9787)
[   28.705013][  T980]  ? netif_change_name (net/core/dev.c:1495)
[   28.705190][  T980]  ? __dev_change_flags (net/core/dev.c:9752)
[   28.705372][  T980]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.705548][  T980]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.705722][  T980]  ? 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))
[   28.705908][  T980]  netif_change_flags (net/core/dev.c:9820)
[   28.706084][  T980]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.706257][  T980]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   28.706442][  T980]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   28.706618][  T980]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   28.706822][  T980]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.707008][  T980]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.707183][  T980]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.707362][  T980]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.707537][  T980]  ? __kernel_text_address (kernel/extable.c:79)
[   28.707713][  T980]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.707902][  T980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.708075][  T980]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.708249][  T980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.708431][  T980]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.708603][  T980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.708777][  T980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.708965][  T980]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.709144][  T980]  ? __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)
[   28.709318][  T980]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   28.709503][  T980]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.709680][  T980]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   28.709856][  T980]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   28.710048][  T980]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.710225][  T980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.710403][  T980]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.710582][  T980]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.710753][  T980]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.710939][  T980]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.711118][  T980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.711289][  T980]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.711470][  T980]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.711643][  T980]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.711818][  T980]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.712008][  T980]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.712181][  T980]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.712360][  T980]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.712535][  T980]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.712711][  T980]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.712895][  T980]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.713071][  T980]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.713244][  T980]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.713431][  T980]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.713609][  T980]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.713782][  T980]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.713968][  T980]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.714145][  T980]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.714320][  T980]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.714504][  T980]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.714682][  T980]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.714856][  T980]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.715043][  T980]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.715217][  T980]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.715398][  T980]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.715600][  T980]  ? move_addr_to_kernel (net/socket.c:258)
[   28.715776][  T980]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.715967][  T980]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.716144][  T980]  ___sys_sendmsg (net/socket.c:2752)
[   28.716316][  T980]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.716528][  T980]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.716714][  T980]  __sys_sendmsg (net/socket.c:2784)
[   28.716905][  T980]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.717077][  T980]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.717287][  T980]  ? 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)
[   28.717470][  T980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.717643][  T980]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.717817][  T980]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.718002][  T980]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.718175][  T980]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.718387][  T980] RIP: 0033:0x7f265c09308e
[   28.718566][  T980] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.719076][  T980] RSP: 002b:00007ffda4166b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.719311][  T980] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f265c09308e
[   28.719554][  T980] RDX: 0000000000000000 RSI: 00007ffda4166bf0 RDI: 0000000000000005
[   28.719791][  T980] RBP: 00007ffda4166b50 R08: 0000000000000000 R09: 0000000000000000
[   28.720039][  T980] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec21
[   28.720274][  T980] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda41672c0
| [   28.836479][  T988] ------------[ cut here ]------------
| [   28.836664][  T988] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/988
| [   28.837432][  T988] Modules linked in: ip6_gre ip_gre gre
| [   28.837933][  T988] Tainted: [W]=WARN
[   28.838076][  T988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.838280][  T988] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.838501][  T988] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.839005][  T988] RSP: 0018:ffa00000012af020 EFLAGS: 00010286
[   28.839211][  T988] RAX: 00000000ffffffa6 RBX: ff1100000c30b8c0 RCX: 1ff4000000255dca
[   28.839454][  T988] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30b97c
[   28.839688][  T988] RBP: ff110000104e1000 R08: 1fe2200001861731 R09: ff1100000f122e58
[   28.839932][  T988] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   28.840165][  T988] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.840409][  T988] FS:  00007f5d90df9840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   28.840680][  T988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.840899][  T988] CR2: 00000000366ba988 CR3: 000000000e4e2006 CR4: 0000000000771ef0
[   28.841138][  T988] PKRU: 55555554
[   28.841279][  T988] Call Trace:
[   28.841429][  T988]  <TASK>
[   28.841542][  T988]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.841725][  T988]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.841869][  T988]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.842054][  T988]  __dev_notify_flags (net/core/dev.c:9787)
[   28.842230][  T988]  ? netif_change_name (net/core/dev.c:1495)
[   28.842410][  T988]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   28.842584][  T988]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.842756][  T988]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.842940][  T988]  ? 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))
[   28.843116][  T988]  netif_change_flags (net/core/dev.c:9820)
[   28.843290][  T988]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.843472][  T988]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   28.843650][  T988]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   28.843824][  T988]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   28.844043][  T988]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.844215][  T988]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.844397][  T988]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.844570][  T988]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.844745][  T988]  ? __kernel_text_address (kernel/extable.c:79)
[   28.844934][  T988]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.845112][  T988]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.845285][  T988]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.845469][  T988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.845644][  T988]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.845814][  T988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.845996][  T988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.846171][  T988]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.846355][  T988]  ? __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)
[   28.846529][  T988]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   28.846703][  T988]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.846878][  T988]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   28.847085][  T988]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   28.847262][  T988]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.847446][  T988]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.847619][  T988]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.847794][  T988]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.847979][  T988]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.848153][  T988]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.848328][  T988]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.848508][  T988]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.848683][  T988]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.848856][  T988]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.849045][  T988]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.849219][  T988]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.849401][  T988]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.849574][  T988]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.849746][  T988]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.849933][  T988]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.850105][  T988]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.850281][  T988]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.850463][  T988]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.850638][  T988]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.850816][  T988]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.850999][  T988]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.851175][  T988]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.851356][  T988]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.851530][  T988]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.851705][  T988]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.851880][  T988]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.852068][  T988]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.852244][  T988]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.852427][  T988]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.852603][  T988]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.852808][  T988]  ? move_addr_to_kernel (net/socket.c:258)
[   28.852997][  T988]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.853170][  T988]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.853352][  T988]  ___sys_sendmsg (net/socket.c:2752)
[   28.853525][  T988]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.853728][  T988]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.853925][  T988]  __sys_sendmsg (net/socket.c:2784)
[   28.854099][  T988]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.854271][  T988]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.854488][  T988]  ? 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)
[   28.854663][  T988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.854838][  T988]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.855030][  T988]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.855202][  T988]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.855381][  T988]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.855584][  T988] RIP: 0033:0x7f5d9103308e
[   28.855761][  T988] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.856269][  T988] RSP: 002b:00007ffecbe578a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.856514][  T988] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5d9103308e
[   28.856748][  T988] RDX: 0000000000000000 RSI: 00007ffecbe57950 RDI: 0000000000000005
[   28.856993][  T988] RBP: 00007ffecbe578b0 R08: 0000000000000000 R09: 0000000000000000
[   28.857228][  T988] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec22
[   28.857472][  T988] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecbe58020
| [   28.936736][  T990] ------------[ cut here ]------------
| [   28.936881][  T990] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/990
| [   28.937112][  T990] Modules linked in: ip6_gre ip_gre gre
| [   28.937508][  T990] Tainted: [W]=WARN
[   28.937603][  T990] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.937760][  T990] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.937932][  T990] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.938382][  T990] RSP: 0018:ffa00000012bf020 EFLAGS: 00010286
[   28.938541][  T990] RAX: 00000000ffffffa6 RBX: ff1100000c2d31c0 RCX: 1ff4000000257dca
[   28.938731][  T990] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2d327c
[   28.938923][  T990] RBP: ff110000104e1000 R08: 1fe220000185a651 R09: ff1100000a93ae58
[   28.939112][  T990] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   28.939300][  T990] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.939497][  T990] FS:  00007f9230125840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   28.939717][  T990] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.939877][  T990] CR2: 0000000034bbf988 CR3: 000000000f154001 CR4: 0000000000771ef0
[   28.940073][  T990] PKRU: 55555554
[   28.940168][  T990] Call Trace:
[   28.940264][  T990]  <TASK>
[   28.940332][  T990]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.940465][  T990]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.940562][  T990]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.940688][  T990]  __dev_notify_flags (net/core/dev.c:9787)
[   28.940817][  T990]  ? netif_change_name (net/core/dev.c:1495)
[   28.940952][  T990]  ? __dev_change_flags (net/core/dev.c:9752)
[   28.941080][  T990]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.941208][  T990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.941340][  T990]  ? 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))
[   28.941470][  T990]  netif_change_flags (net/core/dev.c:9820)
[   28.941597][  T990]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.941724][  T990]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   28.941853][  T990]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   28.941986][  T990]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   28.942144][  T990]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.942270][  T990]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.942400][  T990]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.942526][  T990]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.942652][  T990]  ? __kernel_text_address (kernel/extable.c:79)
[   28.942779][  T990]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.942912][  T990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.943038][  T990]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.943165][  T990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.943290][  T990]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.943421][  T990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.943546][  T990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.943671][  T990]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.943800][  T990]  ? __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)
[   28.943929][  T990]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   28.944056][  T990]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.944182][  T990]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   28.944310][  T990]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   28.944440][  T990]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.944568][  T990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.944692][  T990]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.944821][  T990]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.944951][  T990]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.945076][  T990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.945206][  T990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.945331][  T990]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.945462][  T990]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.945589][  T990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.945717][  T990]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.945845][  T990]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.945976][  T990]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.946101][  T990]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.946227][  T990]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.946359][  T990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.946484][  T990]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.946610][  T990]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.946736][  T990]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.946865][  T990]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.946998][  T990]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.947124][  T990]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.947252][  T990]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.947384][  T990]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.947509][  T990]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.947637][  T990]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.947767][  T990]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.947899][  T990]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.948028][  T990]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.948155][  T990]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.948281][  T990]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.948441][  T990]  ? move_addr_to_kernel (net/socket.c:258)
[   28.948569][  T990]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.948695][  T990]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.948822][  T990]  ___sys_sendmsg (net/socket.c:2752)
[   28.948953][  T990]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.949110][  T990]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.949252][  T990]  __sys_sendmsg (net/socket.c:2784)
[   28.949389][  T990]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.949517][  T990]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.949680][  T990]  ? 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)
[   28.949810][  T990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.949945][  T990]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.950077][  T990]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.950207][  T990]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.950338][  T990]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.950498][  T990] RIP: 0033:0x7f923035f08e
[   28.950633][  T990] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.951096][  T990] RSP: 002b:00007fff07c38cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.951284][  T990] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f923035f08e
[   28.951476][  T990] RDX: 0000000000000000 RSI: 00007fff07c38d80 RDI: 0000000000000005
[   28.951665][  T990] RBP: 00007fff07c38ce0 R08: 0000000000000000 R09: 0000000000000000
[   28.951852][  T990] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec22
[   28.952046][  T990] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff07c39450
| [   29.080477][  T999] ------------[ cut here ]------------
| [   29.080642][  T999] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/999
| [   29.080868][  T999] Modules linked in: ip6_gre ip_gre gre
| [   29.081272][  T999] Tainted: [W]=WARN
[   29.081374][  T999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.081532][  T999] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.081696][  T999] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.082148][  T999] RSP: 0018:ffa000000131f060 EFLAGS: 00010286
[   29.082310][  T999] RAX: 00000000ffffffa6 RBX: ff1100000d15fc40 RCX: 1ff4000000263dd2
[   29.082502][  T999] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15fcfc
[   29.082691][  T999] RBP: ff110000104e1000 R08: 1fe2200001a2bfa1 R09: ff1100000f378b58
[   29.082878][  T999] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   29.083072][  T999] R13: 0000000000000000 R14: 0000000000000000 R15: ffa000000131f0f8
[   29.083261][  T999] FS:  00007f44361b3840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   29.083488][  T999] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.083647][  T999] CR2: 0000000008314988 CR3: 0000000009b42004 CR4: 0000000000771ef0
[   29.083835][  T999] PKRU: 55555554
[   29.083937][  T999] Call Trace:
[   29.084030][  T999]  <TASK>
[   29.084097][  T999]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.084225][  T999]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.084322][  T999]  netif_close_many (net/core/dev.c:1804)
[   29.084455][  T999]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.084582][  T999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.084709][  T999]  ? __dev_close_many (net/core/dev.c:1781)
[   29.084834][  T999]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.085591][  T999]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.085754][  T999]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.085878][  T999]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.086009][  T999]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.086166][  T999]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.086293][  T999]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.086423][  T999]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.086581][  T999]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.086709][  T999]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   29.086838][  T999]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   29.086971][  T999]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.087097][  T999]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.087222][  T999]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.087354][  T999]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.087478][  T999]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.087620][  T999]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.087747][  T999]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.087873][  T999]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.088003][  T999]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.088128][  T999]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.088254][  T999]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   29.088385][  T999]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.088511][  T999]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.088635][  T999]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.088759][  T999]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.088891][  T999]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.089020][  T999]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.089147][  T999]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.089274][  T999]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.089404][  T999]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.089532][  T999]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.089659][  T999]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.089785][  T999]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.089918][  T999]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.090045][  T999]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.090174][  T999]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.090298][  T999]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.090433][  T999]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.090560][  T999]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.090686][  T999]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.090813][  T999]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.090945][  T999]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.091074][  T999]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.091202][  T999]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.091330][  T999]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.091460][  T999]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.091615][  T999]  ? move_addr_to_kernel (net/socket.c:258)
[   29.091742][  T999]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.091869][  T999]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.092002][  T999]  ___sys_sendmsg (net/socket.c:2752)
[   29.092127][  T999]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.092288][  T999]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.092431][  T999]  __sys_sendmsg (net/socket.c:2784)
[   29.092557][  T999]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.092682][  T999]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.092841][  T999]  ? 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)
[   29.092973][  T999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.093100][  T999]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.093226][  T999]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.093360][  T999]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.093490][  T999]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.093646][  T999] RIP: 0033:0x7f44363ed08e
[   29.093778][  T999] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.094232][  T999] RSP: 002b:00007ffc427a79e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.094426][  T999] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f44363ed08e
[   29.094612][  T999] RDX: 0000000000000000 RSI: 00007ffc427a7a90 RDI: 0000000000000005
[   29.094800][  T999] RBP: 00007ffc427a79f0 R08: 0000000000000000 R09: 0000000000000000
[   29.094991][  T999] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec22
[   29.095181][  T999] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc427a8160
| [   29.103066][  T999] ------------[ cut here ]------------
| [   29.103198][  T999] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/999
| [   29.103412][  T999] Modules linked in: ip6_gre ip_gre gre
| [   29.103789][  T999] Tainted: [W]=WARN
[   29.103881][  T999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.104053][  T999] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.104214][  T999] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.104654][  T999] RSP: 0018:ffa000000131f190 EFLAGS: 00010286
[   29.104808][  T999] RAX: 00000000ffffffa6 RBX: ff110000097c2c80 RCX: 1ff4000000263df8
[   29.104995][  T999] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c2d3c
[   29.105177][  T999] RBP: ff110000104e1000 R08: 1fe22000012f85a9 R09: ff1100000f378b58
[   29.105364][  T999] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.105545][  T999] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.105730][  T999] FS:  00007f44361b3840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   29.105949][  T999] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.106102][  T999] CR2: 0000000008314988 CR3: 0000000009b42004 CR4: 0000000000771ef0
[   29.106285][  T999] PKRU: 55555554
[   29.106382][  T999] Call Trace:
[   29.106474][  T999]  <TASK>
[   29.106538][  T999]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.106694][  T999]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.106846][  T999]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.106976][  T999]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.107099][  T999]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.107252][  T999]  ? net_generic (./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) ip6_gre
[   29.107382][  T999]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   29.107510][  T999]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.107636][  T999]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.107758][  T999]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.107880][  T999]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.108006][  T999]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.108145][  T999]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.108267][  T999]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.108394][  T999]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.108518][  T999]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.108648][  T999]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.108770][  T999]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   29.109032][  T999]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.109220][  T999]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.109346][  T999]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.109469][  T999]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.109593][  T999]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.109717][  T999]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.109841][  T999]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.110049][  T999]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.110171][  T999]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.110295][  T999]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.110428][  T999]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.110554][  T999]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.110676][  T999]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.110799][  T999]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.111002][  T999]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.111125][  T999]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.111248][  T999]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.111381][  T999]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.111506][  T999]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.111629][  T999]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.111753][  T999]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.112000][  T999]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.112169][  T999]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.112293][  T999]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.112426][  T999]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.112584][  T999]  ? move_addr_to_kernel (net/socket.c:258)
[   29.112709][  T999]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.112833][  T999]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.113010][  T999]  ___sys_sendmsg (net/socket.c:2752)
[   29.113133][  T999]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.113284][  T999]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.113423][  T999]  __sys_sendmsg (net/socket.c:2784)
[   29.113546][  T999]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.113670][  T999]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.113824][  T999]  ? 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)
[   29.114000][  T999]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.114125][  T999]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.114248][  T999]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.114375][  T999]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.114498][  T999]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.114651][  T999] RIP: 0033:0x7f44363ed08e
[   29.114780][  T999] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.115273][  T999] RSP: 002b:00007ffc427a79e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.115472][  T999] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f44363ed08e
[   29.115655][  T999] RDX: 0000000000000000 RSI: 00007ffc427a7a90 RDI: 0000000000000005
[   29.115836][  T999] RBP: 00007ffc427a79f0 R08: 0000000000000000 R09: 0000000000000000
[   29.116073][  T999] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec22
[   29.116255][  T999] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc427a8160
| [   29.158505][ T1000] ------------[ cut here ]------------
| [   29.158667][ T1000] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1000
| [   29.158935][ T1000] Modules linked in: ip6_gre ip_gre gre
| [   29.159347][ T1000] Tainted: [W]=WARN
[   29.159449][ T1000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.159614][ T1000] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.159785][ T1000] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.160259][ T1000] RSP: 0018:ffa00000005e71b0 EFLAGS: 00010286
[   29.160431][ T1000] RAX: 00000000ffffffa6 RBX: ff110000052ebc40 RCX: 1ff40000000bcdfc
[   29.160626][ T1000] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052ebcfc
[   29.160822][ T1000] RBP: ff11000010a19000 R08: 1fe2200000a5d7a1 R09: ff1100000f37ae80
[   29.161024][ T1000] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.161220][ T1000] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300b80
[   29.161424][ T1000] FS:  00007f7c70e65840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   29.161653][ T1000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.161818][ T1000] CR2: 00007f7c71140010 CR3: 00000000102a7005 CR4: 0000000000771ef0
[   29.162023][ T1000] PKRU: 55555554
[   29.162123][ T1000] Call Trace:
[   29.162222][ T1000]  <TASK>
[   29.162290][ T1000]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.162430][ T1000]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.162531][ T1000]  __dev_notify_flags (net/core/dev.c:9787)
[   29.162664][ T1000]  ? netif_change_name (net/core/dev.c:1495)
[   29.162797][ T1000]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.162933][ T1000]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.163067][ T1000]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   29.163200][ T1000]  ? nla_strscpy (lib/nlattr.c:795)
[   29.163338][ T1000]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   29.163472][ T1000]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   29.163601][ T1000]  ? __dev_get_by_name (net/core/dev.c:883)
[   29.163733][ T1000]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   29.163870][ T1000]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   29.164012][ T1000]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.164145][ T1000]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.164276][ T1000]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.164413][ T1000]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.164544][ T1000]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.164674][ T1000]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.164809][ T1000]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.164949][ T1000]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.165081][ T1000]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.165212][ T1000]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.165349][ T1000]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.165481][ T1000]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.165613][ T1000]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.165743][ T1000]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.165875][ T1000]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.166014][ T1000]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.166145][ T1000]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.166280][ T1000]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.166416][ T1000]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.166550][ T1000]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.166683][ T1000]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.166816][ T1000]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.166956][ T1000]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.167088][ T1000]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.167221][ T1000]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.167360][ T1000]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.167492][ T1000]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.167623][ T1000]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.167784][ T1000]  ? move_addr_to_kernel (net/socket.c:258)
[   29.167925][ T1000]  ___sys_sendmsg (net/socket.c:2752)
[   29.168057][ T1000]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.168188][ T1000]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.168328][ T1000]  ? 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))
[   29.168469][ T1000]  __sys_sendmsg (net/socket.c:2784)
[   29.168601][ T1000]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.168736][ T1000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.168866][ T1000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.169006][ T1000]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.169137][ T1000]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.169269][ T1000]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.169407][ T1000]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.169570][ T1000] RIP: 0033:0x7f7c7109f08e
[   29.169707][ T1000] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.170181][ T1000] RSP: 002b:00007ffebc5fdc80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.170384][ T1000] RAX: ffffffffffffffda RBX: 00007ffebc5fe430 RCX: 00007f7c7109f08e
[   29.170580][ T1000] RDX: 0000000000000000 RSI: 00007ffebc5fdd30 RDI: 0000000000000005
[   29.170774][ T1000] RBP: 00007ffebc5fdc90 R08: 0000000000000000 R09: 0000000000000000
[   29.170980][ T1000] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec22
[   29.171176][ T1000] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebc5fe3f0
| [   29.242716][ T1002] ------------[ cut here ]------------
| [   29.242866][ T1002] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1002
| [   29.243135][ T1002] Modules linked in: ip6_gre ip_gre gre
| [   29.243532][ T1002] Tainted: [W]=WARN
[   29.243629][ T1002] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.243788][ T1002] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.243960][ T1002] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.244424][ T1002] RSP: 0018:ffa000000133f020 EFLAGS: 00010286
[   29.244589][ T1002] RAX: 00000000ffffffa6 RBX: ff1100000e1af8c0 RCX: 1ff4000000267dca
[   29.244781][ T1002] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e1af97c
[   29.244977][ T1002] RBP: ff11000010a19000 R08: 1fe2200001c35f31 R09: ff1100000fda8b58
[   29.245169][ T1002] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   29.245365][ T1002] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.245558][ T1002] FS:  00007f3ae0069840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   29.245780][ T1002] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.245945][ T1002] CR2: 00000000385e5988 CR3: 000000000f517006 CR4: 0000000000771ef0
[   29.246138][ T1002] PKRU: 55555554
[   29.246234][ T1002] Call Trace:
[   29.246330][ T1002]  <TASK>
[   29.246401][ T1002]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.246533][ T1002]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.246631][ T1002]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.246757][ T1002]  __dev_notify_flags (net/core/dev.c:9787)
[   29.246893][ T1002]  ? netif_change_name (net/core/dev.c:1495)
[   29.247023][ T1002]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.247153][ T1002]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.247281][ T1002]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.247414][ T1002]  ? 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))
[   29.247543][ T1002]  netif_change_flags (net/core/dev.c:9820)
[   29.247672][ T1002]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.247800][ T1002]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.247934][ T1002]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.248063][ T1002]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.248222][ T1002]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.248356][ T1002]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.248483][ T1002]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.248610][ T1002]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.248739][ T1002]  ? __kernel_text_address (kernel/extable.c:79)
[   29.248866][ T1002]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.249000][ T1002]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.249129][ T1002]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.249258][ T1002]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.249393][ T1002]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.249519][ T1002]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.249645][ T1002]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.249771][ T1002]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.249958][ T1002]  ? __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)
[   29.250087][ T1002]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.250212][ T1002]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.250346][ T1002]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.250477][ T1002]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.250607][ T1002]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.250737][ T1002]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.250864][ T1002]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.251045][ T1002]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.251227][ T1002]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.251359][ T1002]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.251488][ T1002]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.251614][ T1002]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.251741][ T1002]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.251868][ T1002]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.252051][ T1002]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.252180][ T1002]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.252306][ T1002]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.252436][ T1002]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.252561][ T1002]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.252690][ T1002]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.252817][ T1002]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.252960][ T1002]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.253088][ T1002]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.253216][ T1002]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.253350][ T1002]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.253478][ T1002]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.253606][ T1002]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.253735][ T1002]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.253863][ T1002]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.253994][ T1002]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.254123][ T1002]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.254251][ T1002]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.254388][ T1002]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.254516][ T1002]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.254643][ T1002]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.254800][ T1002]  ? move_addr_to_kernel (net/socket.c:258)
[   29.254933][ T1002]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.255061][ T1002]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.255189][ T1002]  ___sys_sendmsg (net/socket.c:2752)
[   29.255316][ T1002]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.255482][ T1002]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.255622][ T1002]  __sys_sendmsg (net/socket.c:2784)
[   29.255749][ T1002]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.255875][ T1002]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.256040][ T1002]  ? 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)
[   29.256166][ T1002]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.256294][ T1002]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.256427][ T1002]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.256554][ T1002]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.256682][ T1002]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.256841][ T1002] RIP: 0033:0x7f3ae02a308e
[   29.256980][ T1002] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.257441][ T1002] RSP: 002b:00007ffdb9948900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.257635][ T1002] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3ae02a308e
[   29.257826][ T1002] RDX: 0000000000000000 RSI: 00007ffdb99489b0 RDI: 0000000000000005
[   29.258021][ T1002] RBP: 00007ffdb9948910 R08: 0000000000000000 R09: 0000000000000000
[   29.258211][ T1002] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec22
[   29.258408][ T1002] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb9949080
| [   29.362180][ T1010] ------------[ cut here ]------------
| [   29.362372][ T1010] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1010
| [   29.362670][ T1010] Modules linked in: ip6_gre ip_gre gre
| [   29.363720][ T1010] Tainted: [W]=WARN
[   29.363860][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.364077][ T1010] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.364286][ T1010] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.364785][ T1010] RSP: 0018:ffa00000013bf020 EFLAGS: 00010286
[   29.364997][ T1010] RAX: 00000000ffffffa6 RBX: ff1100000282a740 RCX: 1ff4000000277dca
[   29.365228][ T1010] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282a7fc
[   29.365468][ T1010] RBP: ff11000010a19000 R08: 1fe2200000505501 R09: ff1100000a9cd158
[   29.365701][ T1010] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   29.365955][ T1010] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.366192][ T1010] FS:  00007fc6fa290840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   29.366466][ T1010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.366668][ T1010] CR2: 00007fc6fa5601a0 CR3: 0000000008d5b005 CR4: 0000000000771ef0
[   29.366914][ T1010] PKRU: 55555554
[   29.367053][ T1010] Call Trace:
[   29.367201][ T1010]  <TASK>
[   29.367311][ T1010]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.367495][ T1010]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.367636][ T1010]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.367807][ T1010]  __dev_notify_flags (net/core/dev.c:9787)
[   29.368064][ T1010]  ? netif_change_name (net/core/dev.c:1495)
[   29.368321][ T1010]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   29.368579][ T1010]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.368822][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.369073][ T1010]  ? 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))
[   29.369318][ T1010]  netif_change_flags (net/core/dev.c:9820)
[   29.369635][ T1010]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.369869][ T1010]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.370119][ T1010]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.370289][ T1010]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.370504][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.370678][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.370850][ T1010]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.371032][ T1010]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.371204][ T1010]  ? __kernel_text_address (kernel/extable.c:79)
[   29.371381][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.371555][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.371727][ T1010]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.371910][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.372080][ T1010]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.372250][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.372427][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.372598][ T1010]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.372773][ T1010]  ? __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)
[   29.372959][ T1010]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.373132][ T1010]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.373305][ T1010]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.373481][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.373655][ T1010]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.373829][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.374014][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.374186][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.374363][ T1010]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.374534][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.374708][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.374878][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.375063][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.375234][ T1010]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.375415][ T1010]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.375588][ T1010]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.375760][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.375945][ T1010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.376115][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.376288][ T1010]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.376464][ T1010]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.376636][ T1010]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.376807][ T1010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.376990][ T1010]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.377166][ T1010]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.377342][ T1010]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.377516][ T1010]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.377688][ T1010]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.377858][ T1010]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.378044][ T1010]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.378217][ T1010]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.378397][ T1010]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.378571][ T1010]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.378744][ T1010]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.378927][ T1010]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.379128][ T1010]  ? move_addr_to_kernel (net/socket.c:258)
[   29.379301][ T1010]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.379477][ T1010]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.379649][ T1010]  ___sys_sendmsg (net/socket.c:2752)
[   29.379819][ T1010]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.380031][ T1010]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.380214][ T1010]  __sys_sendmsg (net/socket.c:2784)
[   29.380397][ T1010]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.380570][ T1010]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.380778][ T1010]  ? 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)
[   29.380965][ T1010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.381139][ T1010]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.381311][ T1010]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.381491][ T1010]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.381667][ T1010]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.381871][ T1010] RIP: 0033:0x7fc6fa4ca08e
[   29.382060][ T1010] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.382565][ T1010] RSP: 002b:00007ffdc4029480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.382802][ T1010] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc6fa4ca08e
[   29.383047][ T1010] RDX: 0000000000000000 RSI: 00007ffdc4029530 RDI: 0000000000000005
[   29.383282][ T1010] RBP: 00007ffdc4029490 R08: 0000000000000000 R09: 0000000000000000
[   29.383525][ T1010] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec22
[   29.383761][ T1010] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc4029c00
| [   29.447008][ T1012] ------------[ cut here ]------------
| [   29.447162][ T1012] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1012
| [   29.447426][ T1012] Modules linked in: ip6_gre ip_gre gre
| [   29.447821][ T1012] Tainted: [W]=WARN
[   29.447927][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.448085][ T1012] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.448251][ T1012] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.448712][ T1012] RSP: 0018:ffa00000013df020 EFLAGS: 00010286
[   29.448873][ T1012] RAX: 00000000ffffffa6 RBX: ff1100000e1758c0 RCX: 1ff400000027bdca
[   29.449079][ T1012] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e17597c
[   29.449270][ T1012] RBP: ff11000010a19000 R08: 1fe2200001c2eb31 R09: ff1100000a9c8b58
[   29.449466][ T1012] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   29.449657][ T1012] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.449851][ T1012] FS:  00007fcb6d847840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   29.450084][ T1012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.450245][ T1012] CR2: 00000000277af988 CR3: 000000000f2bf002 CR4: 0000000000771ef0
[   29.450442][ T1012] PKRU: 55555554
[   29.450537][ T1012] Call Trace:
[   29.450633][ T1012]  <TASK>
[   29.450701][ T1012]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.450831][ T1012]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.450932][ T1012]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.451062][ T1012]  __dev_notify_flags (net/core/dev.c:9787)
[   29.451197][ T1012]  ? netif_change_name (net/core/dev.c:1495)
[   29.451326][ T1012]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.451459][ T1012]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.451589][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.451719][ T1012]  ? 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))
[   29.451851][ T1012]  netif_change_flags (net/core/dev.c:9820)
[   29.451987][ T1012]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.452117][ T1012]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.452248][ T1012]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.452381][ T1012]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.452540][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.452667][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.452794][ T1012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.452929][ T1012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.453059][ T1012]  ? __kernel_text_address (kernel/extable.c:79)
[   29.453187][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.453316][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.453450][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.453580][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.453710][ T1012]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.453838][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.454060][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.454191][ T1012]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.454321][ T1012]  ? __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)
[   29.454453][ T1012]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.454582][ T1012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.454712][ T1012]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.454845][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.455041][ T1012]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.455171][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.455298][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.455432][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.455559][ T1012]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.455686][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.455816][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.456035][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.456251][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.456388][ T1012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.456522][ T1012]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.456651][ T1012]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.456779][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.456978][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.457106][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.457236][ T1012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.457370][ T1012]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.457502][ T1012]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.457631][ T1012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.457759][ T1012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.457958][ T1012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.458087][ T1012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.458220][ T1012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.458353][ T1012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.458484][ T1012]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.458613][ T1012]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.458743][ T1012]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.458873][ T1012]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.459031][ T1012]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.459159][ T1012]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.459286][ T1012]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.459450][ T1012]  ? move_addr_to_kernel (net/socket.c:258)
[   29.459579][ T1012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.459708][ T1012]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.459837][ T1012]  ___sys_sendmsg (net/socket.c:2752)
[   29.459971][ T1012]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.460130][ T1012]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.460270][ T1012]  __sys_sendmsg (net/socket.c:2784)
[   29.460404][ T1012]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.460532][ T1012]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.460692][ T1012]  ? 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)
[   29.460821][ T1012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.460954][ T1012]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.461085][ T1012]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.461213][ T1012]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.461345][ T1012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.461505][ T1012] RIP: 0033:0x7fcb6da8108e
[   29.461640][ T1012] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.462104][ T1012] RSP: 002b:00007ffffd980070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.462295][ T1012] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcb6da8108e
[   29.462494][ T1012] RDX: 0000000000000000 RSI: 00007ffffd980120 RDI: 0000000000000005
[   29.462686][ T1012] RBP: 00007ffffd980080 R08: 0000000000000000 R09: 0000000000000000
[   29.462881][ T1012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec22
[   29.463078][ T1012] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffd9807f0
| [   29.597332][ T1021] ------------[ cut here ]------------
| [   29.597490][ T1021] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1021
| [   29.597745][ T1021] Modules linked in: ip6_gre ip_gre gre
| [   29.598148][ T1021] Tainted: [W]=WARN
[   29.598244][ T1021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.598409][ T1021] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.598573][ T1021] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.599024][ T1021] RSP: 0018:ffa000000146f060 EFLAGS: 00010286
[   29.599182][ T1021] RAX: 00000000ffffffa6 RBX: ff1100000c109c40 RCX: 1ff400000028ddd2
[   29.599376][ T1021] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c109cfc
[   29.599563][ T1021] RBP: ff11000010a19000 R08: 1fe22000018213a1 R09: ff1100000f168b58
[   29.599750][ T1021] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   29.599941][ T1021] R13: 0000000000000000 R14: 0000000000000000 R15: ffa000000146f0f8
[   29.600131][ T1021] FS:  00007f5fc00fd840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   29.600355][ T1021] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.600515][ T1021] CR2: 000000002c45f988 CR3: 0000000012c37006 CR4: 0000000000771ef0
[   29.600705][ T1021] PKRU: 55555554
[   29.600799][ T1021] Call Trace:
[   29.600898][ T1021]  <TASK>
[   29.600964][ T1021]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.601090][ T1021]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.601185][ T1021]  netif_close_many (net/core/dev.c:1804)
[   29.601312][ T1021]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.601443][ T1021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.601569][ T1021]  ? __dev_close_many (net/core/dev.c:1781)
[   29.601694][ T1021]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.601850][ T1021]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.602015][ T1021]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.602142][ T1021]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.602295][ T1021]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.602426][ T1021]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.602551][ T1021]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.602708][ T1021]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   29.602832][ T1021]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.602966][ T1021]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   29.603092][ T1021]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.603216][ T1021]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.603346][ T1021]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.603470][ T1021]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.603593][ T1021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.603734][ T1021]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.603857][ T1021]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.604518][ T1021]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.604645][ T1021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.604771][ T1021]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.604899][ T1021]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   29.605026][ T1021]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.605154][ T1021]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.605278][ T1021]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.605406][ T1021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.605532][ T1021]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.605656][ T1021]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.605780][ T1021]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.605909][ T1021]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.606033][ T1021]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.606161][ T1021]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.606285][ T1021]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.606415][ T1021]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.606541][ T1021]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.606668][ T1021]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.606797][ T1021]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.606926][ T1021]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.607054][ T1021]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.607180][ T1021]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.607305][ T1021]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.607437][ T1021]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.607565][ T1021]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.607692][ T1021]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.607818][ T1021]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.607951][ T1021]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.608077][ T1021]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.608231][ T1021]  ? move_addr_to_kernel (net/socket.c:258)
[   29.608364][ T1021]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.608493][ T1021]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.608620][ T1021]  ___sys_sendmsg (net/socket.c:2752)
[   29.608743][ T1021]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.608902][ T1021]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.609040][ T1021]  __sys_sendmsg (net/socket.c:2784)
[   29.609167][ T1021]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.609291][ T1021]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.609456][ T1021]  ? 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)
[   29.609583][ T1021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.609710][ T1021]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.609835][ T1021]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.609966][ T1021]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.610091][ T1021]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.610244][ T1021] RIP: 0033:0x7f5fc033708e
[   29.610384][ T1021] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.610924][ T1021] RSP: 002b:00007ffcffb36bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.611196][ T1021] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5fc033708e
[   29.611390][ T1021] RDX: 0000000000000000 RSI: 00007ffcffb36ca0 RDI: 0000000000000005
[   29.611576][ T1021] RBP: 00007ffcffb36c00 R08: 0000000000000000 R09: 0000000000000000
[   29.611848][ T1021] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec22
[   29.612045][ T1021] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcffb37370
| [   29.623669][ T1021] ------------[ cut here ]------------
| [   29.623802][ T1021] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1021
| [   29.624049][ T1021] Modules linked in: ip6_gre ip_gre gre
| [   29.624429][ T1021] Tainted: [W]=WARN
[   29.624521][ T1021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.624674][ T1021] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.624831][ T1021] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.625270][ T1021] RSP: 0018:ffa000000146f190 EFLAGS: 00010286
[   29.625430][ T1021] RAX: 00000000ffffffa6 RBX: ff1100000ab583c0 RCX: 1ff400000028ddf8
[   29.625612][ T1021] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab5847c
[   29.625792][ T1021] RBP: ff11000010a19000 R08: 1fe220000156b091 R09: ff1100000f168b58
[   29.625980][ T1021] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.626160][ T1021] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.626346][ T1021] FS:  00007f5fc00fd840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   29.626562][ T1021] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.626717][ T1021] CR2: 000000002c45f988 CR3: 0000000012c37006 CR4: 0000000000771ef0
[   29.626901][ T1021] PKRU: 55555554
[   29.626993][ T1021] Call Trace:
[   29.627084][ T1021]  <TASK>
[   29.627147][ T1021]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.627303][ T1021]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.627462][ T1021]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.627584][ T1021]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.627706][ T1021]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.627857][ T1021]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.627986][ T1021]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   29.628108][ T1021]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.628229][ T1021]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.628357][ T1021]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.628479][ T1021]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.628599][ T1021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.628738][ T1021]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.628859][ T1021]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.628987][ T1021]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.629108][ T1021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.629228][ T1021]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.629354][ T1021]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   29.629479][ T1021]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.629600][ T1021]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.629721][ T1021]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.629842][ T1021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.629971][ T1021]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.630095][ T1021]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.630218][ T1021]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.630348][ T1021]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.630470][ T1021]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.630595][ T1021]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.630716][ T1021]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.630839][ T1021]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.630966][ T1021]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.631089][ T1021]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.631213][ T1021]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.631339][ T1021]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.631463][ T1021]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.631586][ T1021]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.631711][ T1021]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.631835][ T1021]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.631961][ T1021]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.632084][ T1021]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.632207][ T1021]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.632329][ T1021]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.632456][ T1021]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.632612][ T1021]  ? move_addr_to_kernel (net/socket.c:258)
[   29.632738][ T1021]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.632866][ T1021]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.633095][ T1021]  ___sys_sendmsg (net/socket.c:2752)
[   29.633218][ T1021]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.633374][ T1021]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.633508][ T1021]  __sys_sendmsg (net/socket.c:2784)
[   29.633631][ T1021]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.633753][ T1021]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.633917][ T1021]  ? 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)
[   29.634041][ T1021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.634165][ T1021]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.634288][ T1021]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.634415][ T1021]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.634538][ T1021]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.634690][ T1021] RIP: 0033:0x7f5fc033708e
[   29.634819][ T1021] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.635261][ T1021] RSP: 002b:00007ffcffb36bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.635452][ T1021] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5fc033708e
[   29.635636][ T1021] RDX: 0000000000000000 RSI: 00007ffcffb36ca0 RDI: 0000000000000005
[   29.635818][ T1021] RBP: 00007ffcffb36c00 R08: 0000000000000000 R09: 0000000000000000
[   29.636007][ T1021] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec22
[   29.636190][ T1021] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcffb37370
| [   29.688216][ T1022] ------------[ cut here ]------------
| [   29.688370][ T1022] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1022
| [   29.688625][ T1022] Modules linked in: ip6_gre ip_gre gre
| [   29.689025][ T1022] Tainted: [W]=WARN
[   29.689122][ T1022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.689283][ T1022] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.689452][ T1022] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.689914][ T1022] RSP: 0018:ffa000000147f1b0 EFLAGS: 00010286
[   29.690076][ T1022] RAX: 00000000ffffffa6 RBX: ff1100000c990040 RCX: 1ff400000028fdfc
[   29.690265][ T1022] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9900fc
[   29.690463][ T1022] RBP: ff1100000f2d4000 R08: 1fe2200001932021 R09: ff1100000f5b2e80
[   29.690656][ T1022] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.690846][ T1022] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300b80
[   29.691043][ T1022] FS:  00007f59fd205840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   29.691266][ T1022] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.691433][ T1022] CR2: 00007f59fd4e0010 CR3: 000000001034f004 CR4: 0000000000771ef0
[   29.691626][ T1022] PKRU: 55555554
[   29.691723][ T1022] Call Trace:
[   29.691818][ T1022]  <TASK>
[   29.691890][ T1022]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.692022][ T1022]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.692120][ T1022]  __dev_notify_flags (net/core/dev.c:9787)
[   29.692250][ T1022]  ? netif_change_name (net/core/dev.c:1495)
[   29.692386][ T1022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.692518][ T1022]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   29.692646][ T1022]  ? nla_strscpy (lib/nlattr.c:795)
[   29.692776][ T1022]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   29.692911][ T1022]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   29.693039][ T1022]  ? __dev_get_by_name (net/core/dev.c:883)
[   29.693168][ T1022]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   29.693302][ T1022]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   29.693440][ T1022]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.693570][ T1022]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.693697][ T1022]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.693824][ T1022]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.694000][ T1022]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.694127][ T1022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.694259][ T1022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.694393][ T1022]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.694522][ T1022]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.694649][ T1022]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.694775][ T1022]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.694907][ T1022]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.695037][ T1022]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.695163][ T1022]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.695292][ T1022]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.695424][ T1022]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.695552][ T1022]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.695683][ T1022]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.695811][ T1022]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.695948][ T1022]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.696077][ T1022]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.696207][ T1022]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.696340][ T1022]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.696469][ T1022]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.696598][ T1022]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.696728][ T1022]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.696856][ T1022]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.696990][ T1022]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.697148][ T1022]  ? move_addr_to_kernel (net/socket.c:258)
[   29.697281][ T1022]  ___sys_sendmsg (net/socket.c:2752)
[   29.697411][ T1022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.697538][ T1022]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.697674][ T1022]  ? 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))
[   29.697804][ T1022]  __sys_sendmsg (net/socket.c:2784)
[   29.697937][ T1022]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.698071][ T1022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.698201][ T1022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.698330][ T1022]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.698463][ T1022]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.698592][ T1022]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.698720][ T1022]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.698882][ T1022] RIP: 0033:0x7f59fd43f08e
[   29.699025][ T1022] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.699483][ T1022] RSP: 002b:00007ffc4622d790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.699676][ T1022] RAX: ffffffffffffffda RBX: 00007ffc4622df40 RCX: 00007f59fd43f08e
[   29.699867][ T1022] RDX: 0000000000000000 RSI: 00007ffc4622d840 RDI: 0000000000000005
[   29.700067][ T1022] RBP: 00007ffc4622d7a0 R08: 0000000000000000 R09: 0000000000000000
[   29.700258][ T1022] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec22
[   29.700452][ T1022] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4622df00
| [   29.765110][ T1024] ------------[ cut here ]------------
| [   29.765251][ T1024] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1024
| [   29.765505][ T1024] Modules linked in: ip6_gre ip_gre gre
| [   29.765902][ T1024] Tainted: [W]=WARN
[   29.766001][ T1024] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.766163][ T1024] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.766326][ T1024] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.766780][ T1024] RSP: 0018:ffa000000149f020 EFLAGS: 00010286
[   29.766946][ T1024] RAX: 00000000ffffffa6 RBX: ff1100000e22a580 RCX: 1ff4000000293dca
[   29.767135][ T1024] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22a63c
[   29.767324][ T1024] RBP: ff1100000f2d4000 R08: 1fe2200001c454c9 R09: ff11000009670b58
[   29.767516][ T1024] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   29.767703][ T1024] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.767898][ T1024] FS:  00007fb59dc52840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   29.768122][ T1024] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.768280][ T1024] CR2: 00007fb59df221a0 CR3: 000000001030f001 CR4: 0000000000771ef0
[   29.768474][ T1024] PKRU: 55555554
[   29.768568][ T1024] Call Trace:
[   29.768663][ T1024]  <TASK>
[   29.768729][ T1024]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.768859][ T1024]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.768962][ T1024]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.769088][ T1024]  __dev_notify_flags (net/core/dev.c:9787)
[   29.769218][ T1024]  ? netif_change_name (net/core/dev.c:1495)
[   29.769349][ T1024]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.769478][ T1024]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.769605][ T1024]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.769732][ T1024]  ? 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))
[   29.769862][ T1024]  netif_change_flags (net/core/dev.c:9820)
[   29.769993][ T1024]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.770121][ T1024]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.770251][ T1024]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.770381][ T1024]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.770540][ T1024]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.770667][ T1024]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.770793][ T1024]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.770924][ T1024]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.771052][ T1024]  ? __kernel_text_address (kernel/extable.c:79)
[   29.771180][ T1024]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.771311][ T1024]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.771441][ T1024]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.771568][ T1024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.771694][ T1024]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.771819][ T1024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.772422][ T1024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.772550][ T1024]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.772678][ T1024]  ? __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)
[   29.772808][ T1024]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.772940][ T1024]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.773070][ T1024]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.773199][ T1024]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.773330][ T1024]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.773465][ T1024]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.773590][ T1024]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.773716][ T1024]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.773844][ T1024]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.773976][ T1024]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.774105][ T1024]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.774231][ T1024]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.774364][ T1024]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.774491][ T1024]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.774619][ T1024]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.774748][ T1024]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.774875][ T1024]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.775007][ T1024]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.775133][ T1024]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.775261][ T1024]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.775391][ T1024]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.775518][ T1024]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.775647][ T1024]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.775775][ T1024]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.775910][ T1024]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.776037][ T1024]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.776165][ T1024]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.776294][ T1024]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.776426][ T1024]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.776554][ T1024]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.776682][ T1024]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.776810][ T1024]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.776944][ T1024]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.777072][ T1024]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.777200][ T1024]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.777361][ T1024]  ? move_addr_to_kernel (net/socket.c:258)
[   29.777489][ T1024]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.777616][ T1024]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.777744][ T1024]  ___sys_sendmsg (net/socket.c:2752)
[   29.777870][ T1024]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.778033][ T1024]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.778172][ T1024]  __sys_sendmsg (net/socket.c:2784)
[   29.778300][ T1024]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.778430][ T1024]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.778590][ T1024]  ? 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)
[   29.778719][ T1024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.778847][ T1024]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.778979][ T1024]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.779107][ T1024]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.779234][ T1024]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.779397][ T1024] RIP: 0033:0x7fb59de8c08e
[   29.779531][ T1024] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.779990][ T1024] RSP: 002b:00007fffed8c0300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.780181][ T1024] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb59de8c08e
[   29.780375][ T1024] RDX: 0000000000000000 RSI: 00007fffed8c03b0 RDI: 0000000000000005
[   29.780565][ T1024] RBP: 00007fffed8c0310 R08: 0000000000000000 R09: 0000000000000000
[   29.780754][ T1024] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec23
[   29.780948][ T1024] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffed8c0a80
| [   29.888789][ T1032] ------------[ cut here ]------------
| [   29.888983][ T1032] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1032
| [   29.889312][ T1032] Modules linked in: ip6_gre ip_gre gre
| [   29.889730][ T1032] Tainted: [W]=WARN
[   29.889832][ T1032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.890009][ T1032] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.890177][ T1032] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.890642][ T1032] RSP: 0018:ffa000000150f020 EFLAGS: 00010286
[   29.890813][ T1032] RAX: 00000000ffffffa6 RBX: ff1100000ab59700 RCX: 1ff40000002a1dca
[   29.891013][ T1032] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab597bc
[   29.891206][ T1032] RBP: ff1100000f2d4000 R08: 1fe220000156b2f9 R09: ff11000010692e58
[   29.891402][ T1032] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   29.891592][ T1032] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.891784][ T1032] FS:  00007f1b08486840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   29.892016][ T1032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.892176][ T1032] CR2: 000000001da63988 CR3: 0000000010324003 CR4: 0000000000771ef0
[   29.892378][ T1032] PKRU: 55555554
[   29.892474][ T1032] Call Trace:
[   29.892570][ T1032]  <TASK>
[   29.892637][ T1032]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.892769][ T1032]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.892867][ T1032]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.893003][ T1032]  __dev_notify_flags (net/core/dev.c:9787)
[   29.893134][ T1032]  ? netif_change_name (net/core/dev.c:1495)
[   29.893263][ T1032]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   29.893411][ T1032]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.893540][ T1032]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.893669][ T1032]  ? 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))
[   29.893800][ T1032]  netif_change_flags (net/core/dev.c:9820)
[   29.894021][ T1032]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.894152][ T1032]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.894283][ T1032]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.894420][ T1032]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.894579][ T1032]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.894706][ T1032]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.894834][ T1032]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.895028][ T1032]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.895212][ T1032]  ? __kernel_text_address (kernel/extable.c:79)
[   29.895348][ T1032]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.895478][ T1032]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.895604][ T1032]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.895731][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.895858][ T1032]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.896007][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.896134][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.896261][ T1032]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.896396][ T1032]  ? __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)
[   29.896525][ T1032]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.896652][ T1032]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.896781][ T1032]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.896917][ T1032]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.897048][ T1032]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.897178][ T1032]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.897304][ T1032]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.897438][ T1032]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.897566][ T1032]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.897694][ T1032]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.897823][ T1032]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.897957][ T1032]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.898085][ T1032]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.898212][ T1032]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.898346][ T1032]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.898475][ T1032]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.898602][ T1032]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.898729][ T1032]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.898855][ T1032]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.898991][ T1032]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.899119][ T1032]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.899248][ T1032]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.899386][ T1032]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.899516][ T1032]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.899646][ T1032]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.899773][ T1032]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.899910][ T1032]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.900040][ T1032]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.900169][ T1032]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.900297][ T1032]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.900440][ T1032]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.900570][ T1032]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.900699][ T1032]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.900829][ T1032]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.900965][ T1032]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.901127][ T1032]  ? move_addr_to_kernel (net/socket.c:258)
[   29.901255][ T1032]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.901389][ T1032]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.901518][ T1032]  ___sys_sendmsg (net/socket.c:2752)
[   29.901646][ T1032]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.901805][ T1032]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.901952][ T1032]  __sys_sendmsg (net/socket.c:2784)
[   29.902080][ T1032]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.902208][ T1032]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.902375][ T1032]  ? 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)
[   29.902503][ T1032]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   29.902631][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.902760][ T1032]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.902894][ T1032]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.903022][ T1032]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.903207][ T1032]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.903410][ T1032] RIP: 0033:0x7f1b086c008e
[   29.903545][ T1032] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.904004][ T1032] RSP: 002b:00007ffce0513c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.904197][ T1032] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1b086c008e
[   29.904395][ T1032] RDX: 0000000000000000 RSI: 00007ffce0513d40 RDI: 0000000000000005
[   29.904584][ T1032] RBP: 00007ffce0513ca0 R08: 0000000000000000 R09: 0000000000000000
[   29.904775][ T1032] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec23
[   29.904971][ T1032] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce0514410
| [   29.961485][ T1034] ------------[ cut here ]------------
| [   29.961674][ T1034] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1034
| [   29.961987][ T1034] Modules linked in: ip6_gre ip_gre gre
| [   29.962476][ T1034] Tainted: [W]=WARN
[   29.962619][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.962827][ T1034] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.963051][ T1034] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.963554][ T1034] RSP: 0018:ffa000000152f020 EFLAGS: 00010286
[   29.963765][ T1034] RAX: 00000000ffffffa6 RBX: ff1100000c2d2ac0 RCX: 1ff40000002a5dca
[   29.964013][ T1034] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2d2b7c
[   29.964246][ T1034] RBP: ff1100000f2d4000 R08: 1fe220000185a571 R09: ff11000010490b58
[   29.964489][ T1034] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   29.964724][ T1034] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.964970][ T1034] FS:  00007f96da280840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   29.965238][ T1034] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.965447][ T1034] CR2: 00007f96da5501a0 CR3: 000000000e017006 CR4: 0000000000771ef0
[   29.965684][ T1034] PKRU: 55555554
[   29.965829][ T1034] Call Trace:
[   29.965984][ T1034]  <TASK>
[   29.966097][ T1034]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.966274][ T1034]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.966431][ T1034]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.966607][ T1034]  __dev_notify_flags (net/core/dev.c:9787)
[   29.966784][ T1034]  ? netif_change_name (net/core/dev.c:1495)
[   29.966968][ T1034]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.967146][ T1034]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.967319][ T1034]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.967505][ T1034]  ? 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))
[   29.967681][ T1034]  netif_change_flags (net/core/dev.c:9820)
[   29.967858][ T1034]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.968046][ T1034]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.968224][ T1034]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.968411][ T1034]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.968618][ T1034]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.968793][ T1034]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.968981][ T1034]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.969155][ T1034]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.969331][ T1034]  ? __kernel_text_address (kernel/extable.c:79)
[   29.969516][ T1034]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.969693][ T1034]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.969868][ T1034]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.970059][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.970232][ T1034]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.970412][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.970587][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.970762][ T1034]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.970953][ T1034]  ? __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)
[   29.971128][ T1034]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.971302][ T1034]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.971482][ T1034]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.971660][ T1034]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.971838][ T1034]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.972030][ T1034]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.972203][ T1034]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.972385][ T1034]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.972559][ T1034]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.972732][ T1034]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.972921][ T1034]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.973094][ T1034]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.973268][ T1034]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.973447][ T1034]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.973624][ T1034]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.973798][ T1034]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.973986][ T1034]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.974161][ T1034]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.974344][ T1034]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.974521][ T1034]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.974694][ T1034]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.974869][ T1034]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.975060][ T1034]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.975236][ T1034]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.975419][ T1034]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.975593][ T1034]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.975770][ T1034]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.975959][ T1034]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.976136][ T1034]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.976312][ T1034]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.976499][ T1034]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.976675][ T1034]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.976850][ T1034]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.977038][ T1034]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.977212][ T1034]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.977424][ T1034]  ? move_addr_to_kernel (net/socket.c:258)
[   29.977601][ T1034]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.977779][ T1034]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.977968][ T1034]  ___sys_sendmsg (net/socket.c:2752)
[   29.978141][ T1034]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.978353][ T1034]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.978539][ T1034]  __sys_sendmsg (net/socket.c:2784)
[   29.978715][ T1034]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.978901][ T1034]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.979113][ T1034]  ? 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)
[   29.979289][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.979473][ T1034]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.979648][ T1034]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.979823][ T1034]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.980013][ T1034]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.980218][ T1034] RIP: 0033:0x7f96da4ba08e
[   29.980405][ T1034] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.980916][ T1034] RSP: 002b:00007ffc1f7b7190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.981154][ T1034] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f96da4ba08e
[   29.981401][ T1034] RDX: 0000000000000000 RSI: 00007ffc1f7b7240 RDI: 0000000000000005
[   29.981639][ T1034] RBP: 00007ffc1f7b71a0 R08: 0000000000000000 R09: 0000000000000000
[   29.981875][ T1034] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec23
[   29.982125][ T1034] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1f7b7910
| [   30.128242][ T1043] ------------[ cut here ]------------
| [   30.128411][ T1043] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1043
| [   30.128665][ T1043] Modules linked in: ip6_gre ip_gre gre
| [   30.129274][ T1043] Tainted: [W]=WARN
[   30.129377][ T1043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.129536][ T1043] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.129702][ T1043] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.130154][ T1043] RSP: 0018:ffa00000015af060 EFLAGS: 00010286
[   30.130314][ T1043] RAX: 00000000ffffffa6 RBX: ff110000051f7000 RCX: 1ff40000002b5dd2
[   30.130508][ T1043] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f70bc
[   30.130699][ T1043] RBP: ff1100000f2d4000 R08: 1fe2200000a3ee19 R09: ff11000010695158
[   30.130891][ T1043] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   30.131078][ T1043] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000015af0f8
[   30.131267][ T1043] FS:  00007f5698f20840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   30.131498][ T1043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.131656][ T1043] CR2: 00007f56991f01a0 CR3: 0000000012c6c004 CR4: 0000000000771ef0
[   30.131845][ T1043] PKRU: 55555554
[   30.131946][ T1043] Call Trace:
[   30.132041][ T1043]  <TASK>
[   30.132107][ T1043]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.132236][ T1043]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.132332][ T1043]  netif_close_many (net/core/dev.c:1804)
[   30.132466][ T1043]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.132593][ T1043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.132721][ T1043]  ? __dev_close_many (net/core/dev.c:1781)
[   30.132848][ T1043]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   30.133015][ T1043]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   30.133173][ T1043]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.133298][ T1043]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.133460][ T1043]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.133585][ T1043]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.133710][ T1043]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.133868][ T1043]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   30.133999][ T1043]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.134127][ T1043]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.134253][ T1043]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.134379][ T1043]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.134504][ T1043]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.134629][ T1043]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.134752][ T1043]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.134900][ T1043]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.135025][ T1043]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.135152][ T1043]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.135277][ T1043]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.135407][ T1043]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.135531][ T1043]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   30.135659][ T1043]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.135784][ T1043]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.135913][ T1043]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.136040][ T1043]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.136166][ T1043]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.136291][ T1043]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.136422][ T1043]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.136547][ T1043]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.136672][ T1043]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.136798][ T1043]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.136927][ T1043]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.137054][ T1043]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.137180][ T1043]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.137306][ T1043]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.137438][ T1043]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.137562][ T1043]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.137690][ T1043]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.137817][ T1043]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.137949][ T1043]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.138077][ T1043]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.138206][ T1043]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.138333][ T1043]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.138464][ T1043]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.138591][ T1043]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.138718][ T1043]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.138873][ T1043]  ? move_addr_to_kernel (net/socket.c:258)
[   30.139004][ T1043]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.139132][ T1043]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.139259][ T1043]  ___sys_sendmsg (net/socket.c:2752)
[   30.139389][ T1043]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.139544][ T1043]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.139682][ T1043]  __sys_sendmsg (net/socket.c:2784)
[   30.139809][ T1043]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.139939][ T1043]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.140098][ T1043]  ? 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)
[   30.140225][ T1043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.140355][ T1043]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.140484][ T1043]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.140611][ T1043]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.140737][ T1043]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.140897][ T1043] RIP: 0033:0x7f569915a08e
[   30.141030][ T1043] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.141486][ T1043] RSP: 002b:00007fffc620fd10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.141675][ T1043] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f569915a08e
[   30.141863][ T1043] RDX: 0000000000000000 RSI: 00007fffc620fdc0 RDI: 0000000000000005
[   30.142057][ T1043] RBP: 00007fffc620fd20 R08: 0000000000000000 R09: 0000000000000000
[   30.142245][ T1043] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec23
[   30.142436][ T1043] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc6210490
| [   30.145860][ T1043] ------------[ cut here ]------------
| [   30.146470][ T1043] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1043
| [   30.146712][ T1043] Modules linked in: ip6_gre ip_gre gre
| [   30.147158][ T1043] Tainted: [W]=WARN
[   30.147250][ T1043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.147405][ T1043] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.147655][ T1043] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.148101][ T1043] RSP: 0018:ffa00000015af190 EFLAGS: 00010286
[   30.148251][ T1043] RAX: 00000000ffffffa6 RBX: ff1100000282b000 RCX: 1ff40000002b5df8
[   30.148435][ T1043] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282b0bc
[   30.148617][ T1043] RBP: ff1100000f2d4000 R08: 1fe2200000505619 R09: ff11000010695158
[   30.148796][ T1043] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.148984][ T1043] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.149163][ T1043] FS:  00007f5698f20840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   30.149379][ T1043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.149528][ T1043] CR2: 00007f56991f01a0 CR3: 0000000012c6c004 CR4: 0000000000771ef0
[   30.149708][ T1043] PKRU: 55555554
[   30.149799][ T1043] Call Trace:
[   30.149894][ T1043]  <TASK>
[   30.149957][ T1043]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.150117][ T1043]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.150268][ T1043]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.150396][ T1043]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.150516][ T1043]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.150669][ T1043]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.150793][ T1043]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.150919][ T1043]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.151039][ T1043]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.151161][ T1043]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.151281][ T1043]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.151408][ T1043]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.151547][ T1043]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.151668][ T1043]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.151789][ T1043]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.151914][ T1043]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.152039][ T1043]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.152160][ T1043]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   30.152283][ T1043]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.152408][ T1043]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.152528][ T1043]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.152649][ T1043]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.152771][ T1043]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.152897][ T1043]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.153020][ T1043]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.153143][ T1043]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.153264][ T1043]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.153391][ T1043]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.153512][ T1043]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.153634][ T1043]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.153760][ T1043]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.153882][ T1043]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.154015][ T1043]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.154135][ T1043]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.154257][ T1043]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.154383][ T1043]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.154504][ T1043]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.154627][ T1043]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.154749][ T1043]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.154873][ T1043]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.155002][ T1043]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.155123][ T1043]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.155244][ T1043]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.155398][ T1043]  ? move_addr_to_kernel (net/socket.c:258)
[   30.155520][ T1043]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.155643][ T1043]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.155766][ T1043]  ___sys_sendmsg (net/socket.c:2752)
[   30.155890][ T1043]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.156043][ T1043]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.156177][ T1043]  __sys_sendmsg (net/socket.c:2784)
[   30.156299][ T1043]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.156425][ T1043]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.156579][ T1043]  ? 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)
[   30.156702][ T1043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.156826][ T1043]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.156952][ T1043]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.157074][ T1043]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.157195][ T1043]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.157348][ T1043] RIP: 0033:0x7f569915a08e
[   30.157475][ T1043] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.157915][ T1043] RSP: 002b:00007fffc620fd10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.158098][ T1043] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f569915a08e
[   30.158278][ T1043] RDX: 0000000000000000 RSI: 00007fffc620fdc0 RDI: 0000000000000005
[   30.158465][ T1043] RBP: 00007fffc620fd20 R08: 0000000000000000 R09: 0000000000000000
[   30.158645][ T1043] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec23
[   30.158826][ T1043] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc6210490
| [   30.201592][ T1044] ------------[ cut here ]------------
| [   30.201736][ T1044] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1044
| [   30.202434][ T1044] Modules linked in: ip6_gre ip_gre gre
| [   30.202836][ T1044] Tainted: [W]=WARN
[   30.202941][ T1044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.203103][ T1044] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.203275][ T1044] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.203743][ T1044] RSP: 0018:ffa00000015bf1b0 EFLAGS: 00010286
[   30.203917][ T1044] RAX: 00000000ffffffa6 RBX: ff1100000cf7b700 RCX: 1ff40000002b7dfc
[   30.204112][ T1044] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf7b7bc
[   30.204307][ T1044] RBP: ff1100000f669000 R08: 1fe22000019ef6f9 R09: ff11000010690b80
[   30.204505][ T1044] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.204699][ T1044] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300b80
[   30.204899][ T1044] FS:  00007f1bfa424840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   30.205129][ T1044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.205292][ T1044] CR2: 000000000043d250 CR3: 00000000103a1001 CR4: 0000000000771ef0
[   30.205492][ T1044] PKRU: 55555554
[   30.205590][ T1044] Call Trace:
[   30.205689][ T1044]  <TASK>
[   30.205757][ T1044]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.205896][ T1044]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.205997][ T1044]  __dev_notify_flags (net/core/dev.c:9787)
[   30.206130][ T1044]  ? netif_change_name (net/core/dev.c:1495)
[   30.206261][ T1044]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.206401][ T1044]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   30.206532][ T1044]  ? nla_strscpy (lib/nlattr.c:795)
[   30.206664][ T1044]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   30.206798][ T1044]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   30.206933][ T1044]  ? __dev_get_by_name (net/core/dev.c:883)
[   30.207065][ T1044]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   30.207202][ T1044]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   30.207343][ T1044]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.207476][ T1044]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.207605][ T1044]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.207735][ T1044]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.207865][ T1044]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.208001][ T1044]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.208136][ T1044]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.208268][ T1044]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.208406][ T1044]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.208537][ T1044]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.208669][ T1044]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.208799][ T1044]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.208935][ T1044]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.209067][ T1044]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.209198][ T1044]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.209329][ T1044]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.209467][ T1044]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.209601][ T1044]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.209731][ T1044]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.209864][ T1044]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.210001][ T1044]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.210133][ T1044]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.210266][ T1044]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.210402][ T1044]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.210534][ T1044]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.210668][ T1044]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.210799][ T1044]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.210934][ T1044]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.211098][ T1044]  ? move_addr_to_kernel (net/socket.c:258)
[   30.211231][ T1044]  ___sys_sendmsg (net/socket.c:2752)
[   30.211367][ T1044]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.211496][ T1044]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.211636][ T1044]  ? 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))
[   30.211769][ T1044]  __sys_sendmsg (net/socket.c:2784)
[   30.211904][ T1044]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.212037][ T1044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.212170][ T1044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.212302][ T1044]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.212437][ T1044]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.212568][ T1044]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.212698][ T1044]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.212860][ T1044] RIP: 0033:0x7f1bfa65e08e
[   30.212999][ T1044] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.213468][ T1044] RSP: 002b:00007ffe5ae95ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.213664][ T1044] RAX: ffffffffffffffda RBX: 00007ffe5ae96680 RCX: 00007f1bfa65e08e
[   30.213858][ T1044] RDX: 0000000000000000 RSI: 00007ffe5ae95f80 RDI: 0000000000000005
[   30.214058][ T1044] RBP: 00007ffe5ae95ee0 R08: 0000000000000000 R09: 0000000000000000
[   30.214252][ T1044] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec23
[   30.214450][ T1044] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5ae96640
| [   30.274676][ T1046] ------------[ cut here ]------------
| [   30.274818][ T1046] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1046
| [   30.275078][ T1046] Modules linked in: ip6_gre ip_gre gre
| [   30.275470][ T1046] Tainted: [W]=WARN
[   30.275565][ T1046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.275723][ T1046] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.275893][ T1046] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.276345][ T1046] RSP: 0018:ffa00000015df020 EFLAGS: 00010286
[   30.276504][ T1046] RAX: 00000000ffffffa6 RBX: ff1100000ba9d380 RCX: 1ff40000002bbdca
[   30.276693][ T1046] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba9d43c
[   30.276880][ T1046] RBP: ff1100000f669000 R08: 1fe2200001753a89 R09: ff110000098f0b58
[   30.277076][ T1046] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   30.277263][ T1046] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.277456][ T1046] FS:  00007f1d448a6840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   30.277678][ T1046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.277835][ T1046] CR2: 000000000c57c988 CR3: 0000000012ca6003 CR4: 0000000000771ef0
[   30.278034][ T1046] PKRU: 55555554
[   30.278130][ T1046] Call Trace:
[   30.278223][ T1046]  <TASK>
[   30.278289][ T1046]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.278422][ T1046]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.278518][ T1046]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.278646][ T1046]  __dev_notify_flags (net/core/dev.c:9787)
[   30.278776][ T1046]  ? netif_change_name (net/core/dev.c:1495)
[   30.278909][ T1046]  ? __dev_change_flags (net/core/dev.c:9752)
[   30.279037][ T1046]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.279163][ T1046]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.279291][ T1046]  ? 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))
[   30.279428][ T1046]  netif_change_flags (net/core/dev.c:9820)
[   30.279555][ T1046]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.279683][ T1046]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.279812][ T1046]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.279944][ T1046]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.280102][ T1046]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.280229][ T1046]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.280357][ T1046]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.280483][ T1046]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.280610][ T1046]  ? __kernel_text_address (kernel/extable.c:79)
[   30.280738][ T1046]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.280870][ T1046]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.281002][ T1046]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.281131][ T1046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.281257][ T1046]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.281389][ T1046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.281517][ T1046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.281643][ T1046]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.281769][ T1046]  ? __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)
[   30.281902][ T1046]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.282030][ T1046]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.282158][ T1046]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.282287][ T1046]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.282418][ T1046]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.282546][ T1046]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.282671][ T1046]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.282800][ T1046]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.282929][ T1046]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.283056][ T1046]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.283184][ T1046]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.283309][ T1046]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.283438][ T1046]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.283564][ T1046]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.283691][ T1046]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.283819][ T1046]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.283950][ T1046]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.284079][ T1046]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.284204][ T1046]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.284332][ T1046]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.284461][ T1046]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.284588][ T1046]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.284713][ T1046]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.284840][ T1046]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.284976][ T1046]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.285102][ T1046]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.285231][ T1046]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.285364][ T1046]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.285491][ T1046]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.285618][ T1046]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.285746][ T1046]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.285874][ T1046]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.286007][ T1046]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.286137][ T1046]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.286264][ T1046]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.286428][ T1046]  ? move_addr_to_kernel (net/socket.c:258)
[   30.286555][ T1046]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.286682][ T1046]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.286810][ T1046]  ___sys_sendmsg (net/socket.c:2752)
[   30.286942][ T1046]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.287100][ T1046]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.287240][ T1046]  __sys_sendmsg (net/socket.c:2784)
[   30.287370][ T1046]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.287495][ T1046]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.287656][ T1046]  ? 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)
[   30.287783][ T1046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.287914][ T1046]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.288042][ T1046]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.288170][ T1046]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.288297][ T1046]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.288458][ T1046] RIP: 0033:0x7f1d44ae008e
[   30.288592][ T1046] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.289044][ T1046] RSP: 002b:00007ffcb6047450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.289235][ T1046] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1d44ae008e
[   30.289426][ T1046] RDX: 0000000000000000 RSI: 00007ffcb6047500 RDI: 0000000000000005
[   30.289614][ T1046] RBP: 00007ffcb6047460 R08: 0000000000000000 R09: 0000000000000000
[   30.289803][ T1046] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec23
[   30.289996][ T1046] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb6047bd0
| [   30.404448][ T1054] ------------[ cut here ]------------
| [   30.404636][ T1054] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1054
| [   30.405446][ T1054] Modules linked in: ip6_gre ip_gre gre
| [   30.405936][ T1054] Tainted: [W]=WARN
[   30.406077][ T1054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.406281][ T1054] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.406500][ T1054] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.406999][ T1054] RSP: 0018:ffa000000164f020 EFLAGS: 00010286
[   30.407205][ T1054] RAX: 00000000ffffffa6 RBX: ff1100000d2731c0 RCX: 1ff40000002c9dca
[   30.407445][ T1054] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d27327c
[   30.407678][ T1054] RBP: ff1100000f669000 R08: 1fe2200001a4e651 R09: ff1100000e4eae58
[   30.407932][ T1054] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   30.408165][ T1054] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.408408][ T1054] FS:  00007f1fb6079840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   30.408676][ T1054] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.408881][ T1054] CR2: 000000003da88988 CR3: 000000001030d001 CR4: 0000000000771ef0
[   30.409137][ T1054] PKRU: 55555554
[   30.409278][ T1054] Call Trace:
[   30.409429][ T1054]  <TASK>
[   30.409540][ T1054]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.409719][ T1054]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.409865][ T1054]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.410056][ T1054]  __dev_notify_flags (net/core/dev.c:9787)
[   30.410232][ T1054]  ? netif_change_name (net/core/dev.c:1495)
[   30.410416][ T1054]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   30.410591][ T1054]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.410764][ T1054]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.410952][ T1054]  ? 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))
[   30.411129][ T1054]  netif_change_flags (net/core/dev.c:9820)
[   30.411304][ T1054]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.411483][ T1054]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.411661][ T1054]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.411835][ T1054]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.412053][ T1054]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.412227][ T1054]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.412408][ T1054]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.412585][ T1054]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.412761][ T1054]  ? __kernel_text_address (kernel/extable.c:79)
[   30.413044][ T1054]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.413286][ T1054]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.413523][ T1054]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.413760][ T1054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.414030][ T1054]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.414346][ T1054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.414564][ T1054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.414737][ T1054]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.414924][ T1054]  ? __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)
[   30.415099][ T1054]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.415273][ T1054]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.415458][ T1054]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.415638][ T1054]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.415816][ T1054]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.416002][ T1054]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.416175][ T1054]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.416358][ T1054]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.416533][ T1054]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.416705][ T1054]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.416881][ T1054]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.417065][ T1054]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.417238][ T1054]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.417418][ T1054]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.417595][ T1054]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.417769][ T1054]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.417955][ T1054]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.418128][ T1054]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.418301][ T1054]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.418485][ T1054]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.418657][ T1054]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.418831][ T1054]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.419021][ T1054]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.419196][ T1054]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.419379][ T1054]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.419553][ T1054]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.419728][ T1054]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.419914][ T1054]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.420087][ T1054]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.420260][ T1054]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.420441][ T1054]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.420616][ T1054]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.420792][ T1054]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.420979][ T1054]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.421153][ T1054]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.421359][ T1054]  ? move_addr_to_kernel (net/socket.c:258)
[   30.421532][ T1054]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.421706][ T1054]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.421884][ T1054]  ___sys_sendmsg (net/socket.c:2752)
[   30.422068][ T1054]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.422272][ T1054]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.422460][ T1054]  __sys_sendmsg (net/socket.c:2784)
[   30.422633][ T1054]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.422804][ T1054]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.423024][ T1054]  ? 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)
[   30.423198][ T1054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.423380][ T1054]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.423554][ T1054]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.423727][ T1054]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.423913][ T1054]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.424118][ T1054] RIP: 0033:0x7f1fb62b308e
[   30.424297][ T1054] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.424803][ T1054] RSP: 002b:00007ffd7885e740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.425057][ T1054] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1fb62b308e
[   30.425293][ T1054] RDX: 0000000000000000 RSI: 00007ffd7885e7f0 RDI: 0000000000000005
[   30.425534][ T1054] RBP: 00007ffd7885e750 R08: 0000000000000000 R09: 0000000000000000
[   30.425768][ T1054] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec23
[   30.426018][ T1054] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7885eec0
| [   30.491501][ T1056] ------------[ cut here ]------------
| [   30.491662][ T1056] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1056
| [   30.491925][ T1056] Modules linked in: ip6_gre ip_gre gre
| [   30.492317][ T1056] Tainted: [W]=WARN
[   30.492417][ T1056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.492576][ T1056] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.492742][ T1056] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.493202][ T1056] RSP: 0018:ffa000000166f020 EFLAGS: 00010286
[   30.493368][ T1056] RAX: 00000000ffffffa6 RBX: ff1100000cf7a200 RCX: 1ff40000002cddca
[   30.493560][ T1056] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf7a2bc
[   30.493751][ T1056] RBP: ff1100000f669000 R08: 1fe22000019ef459 R09: ff110000100e8b58
[   30.493945][ T1056] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   30.494134][ T1056] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.494327][ T1056] FS:  00007f37dbdf5840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   30.494558][ T1056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.494719][ T1056] CR2: 0000000032e4b988 CR3: 000000000fcef002 CR4: 0000000000771ef0
[   30.494919][ T1056] PKRU: 55555554
[   30.495015][ T1056] Call Trace:
[   30.495111][ T1056]  <TASK>
[   30.495178][ T1056]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.495308][ T1056]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.495412][ T1056]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.495539][ T1056]  __dev_notify_flags (net/core/dev.c:9787)
[   30.495669][ T1056]  ? netif_change_name (net/core/dev.c:1495)
[   30.495798][ T1056]  ? __dev_change_flags (net/core/dev.c:9752)
[   30.495931][ T1056]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.496058][ T1056]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.496186][ T1056]  ? 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))
[   30.496319][ T1056]  netif_change_flags (net/core/dev.c:9820)
[   30.496452][ T1056]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.496580][ T1056]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.496711][ T1056]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.496839][ T1056]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.497092][ T1056]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.497222][ T1056]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.497353][ T1056]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.497479][ T1056]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.497607][ T1056]  ? __kernel_text_address (kernel/extable.c:79)
[   30.497737][ T1056]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.497866][ T1056]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.498082][ T1056]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.498211][ T1056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.498344][ T1056]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.498473][ T1056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.498622][ T1056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.498807][ T1056]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.499114][ T1056]  ? __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)
[   30.499317][ T1056]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.499465][ T1056]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.499597][ T1056]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.499727][ T1056]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.499859][ T1056]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.500088][ T1056]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.500215][ T1056]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.500350][ T1056]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.500478][ T1056]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.500605][ T1056]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.500734][ T1056]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.500860][ T1056]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.501062][ T1056]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.501191][ T1056]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.501320][ T1056]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.501454][ T1056]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.501582][ T1056]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.501708][ T1056]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.501836][ T1056]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.502053][ T1056]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.502180][ T1056]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.502308][ T1056]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.502442][ T1056]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.502570][ T1056]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.502703][ T1056]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.502832][ T1056]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.502994][ T1056]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.503125][ T1056]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.503253][ T1056]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.503386][ T1056]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.503515][ T1056]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.503644][ T1056]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.503774][ T1056]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.503908][ T1056]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.504037][ T1056]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.504194][ T1056]  ? move_addr_to_kernel (net/socket.c:258)
[   30.504322][ T1056]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.504456][ T1056]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.504586][ T1056]  ___sys_sendmsg (net/socket.c:2752)
[   30.504715][ T1056]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.504874][ T1056]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.505020][ T1056]  __sys_sendmsg (net/socket.c:2784)
[   30.505150][ T1056]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.505277][ T1056]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.505453][ T1056]  ? 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)
[   30.505582][ T1056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.505713][ T1056]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.505842][ T1056]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.505976][ T1056]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.506105][ T1056]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.506263][ T1056] RIP: 0033:0x7f37dc02f08e
[   30.506403][ T1056] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.506860][ T1056] RSP: 002b:00007fff60ec1dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.507057][ T1056] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f37dc02f08e
[   30.507247][ T1056] RDX: 0000000000000000 RSI: 00007fff60ec1e80 RDI: 0000000000000005
[   30.507442][ T1056] RBP: 00007fff60ec1de0 R08: 0000000000000000 R09: 0000000000000000
[   30.507634][ T1056] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec23
[   30.507826][ T1056] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff60ec2550
| [   30.637474][ T1065] ------------[ cut here ]------------
| [   30.637639][ T1065] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1065
| [   30.637902][ T1065] Modules linked in: ip6_gre ip_gre gre
| [   30.638299][ T1065] Tainted: [W]=WARN
[   30.638403][ T1065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.638563][ T1065] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.638728][ T1065] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.639551][ T1065] RSP: 0018:ffa00000016ff060 EFLAGS: 00010286
[   30.639731][ T1065] RAX: 00000000ffffffa6 RBX: ff1100000c108c80 RCX: 1ff40000002dfdd2
[   30.639929][ T1065] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c108d3c
[   30.640126][ T1065] RBP: ff1100000f669000 R08: 1fe22000018211a9 R09: ff1100000fc5ae58
[   30.640319][ T1065] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   30.640519][ T1065] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000016ff0f8
[   30.640713][ T1065] FS:  00007f7d24a42840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   30.640944][ T1065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.641109][ T1065] CR2: 00007f7d24d121a0 CR3: 0000000010a41002 CR4: 0000000000771ef0
[   30.641298][ T1065] PKRU: 55555554
[   30.641399][ T1065] Call Trace:
[   30.641497][ T1065]  <TASK>
[   30.641563][ T1065]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.641691][ T1065]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.641787][ T1065]  netif_close_many (net/core/dev.c:1804)
[   30.641921][ T1065]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.642049][ T1065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.642176][ T1065]  ? __dev_close_many (net/core/dev.c:1781)
[   30.642302][ T1065]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   30.642468][ T1065]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   30.642627][ T1065]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.642752][ T1065]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.642913][ T1065]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.643041][ T1065]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.643172][ T1065]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.643332][ T1065]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   30.643465][ T1065]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.643592][ T1065]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.643720][ T1065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.643845][ T1065]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.643976][ T1065]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.644103][ T1065]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.644233][ T1065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.644391][ T1065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.644518][ T1065]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.644643][ T1065]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.644768][ T1065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.644897][ T1065]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.645024][ T1065]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   30.645156][ T1065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.645281][ T1065]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.645413][ T1065]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.645539][ T1065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.645665][ T1065]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.645791][ T1065]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.645926][ T1065]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.646057][ T1065]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.646182][ T1065]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.646310][ T1065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.646442][ T1065]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.646570][ T1065]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.646697][ T1065]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.646823][ T1065]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.646958][ T1065]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.647084][ T1065]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.647211][ T1065]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.647337][ T1065]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.647470][ T1065]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.647597][ T1065]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.647723][ T1065]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.647850][ T1065]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.647983][ T1065]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.648110][ T1065]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.648235][ T1065]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.648396][ T1065]  ? move_addr_to_kernel (net/socket.c:258)
[   30.648523][ T1065]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.648649][ T1065]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.648776][ T1065]  ___sys_sendmsg (net/socket.c:2752)
[   30.648906][ T1065]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.649063][ T1065]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.649200][ T1065]  __sys_sendmsg (net/socket.c:2784)
[   30.649327][ T1065]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.649458][ T1065]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.649616][ T1065]  ? 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)
[   30.649743][ T1065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.649869][ T1065]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.650001][ T1065]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.650127][ T1065]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.650252][ T1065]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.650415][ T1065] RIP: 0033:0x7f7d24c7c08e
[   30.650551][ T1065] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.651008][ T1065] RSP: 002b:00007ffd5a5c8b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.651199][ T1065] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7d24c7c08e
[   30.651396][ T1065] RDX: 0000000000000000 RSI: 00007ffd5a5c8c10 RDI: 0000000000000005
[   30.651584][ T1065] RBP: 00007ffd5a5c8b70 R08: 0000000000000000 R09: 0000000000000000
[   30.651771][ T1065] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec23
[   30.651961][ T1065] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5a5c92e0
| [   30.656012][ T1065] ------------[ cut here ]------------
| [   30.656142][ T1065] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1065
| [   30.656385][ T1065] Modules linked in: ip6_gre ip_gre gre
| [   30.656759][ T1065] Tainted: [W]=WARN
[   30.656852][ T1065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.657010][ T1065] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.657167][ T1065] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.657605][ T1065] RSP: 0018:ffa00000016ff190 EFLAGS: 00010286
[   30.657757][ T1065] RAX: 00000000ffffffa6 RBX: ff1100000cdacac0 RCX: 1ff40000002dfdf8
[   30.657946][ T1065] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdacb7c
[   30.658134][ T1065] RBP: ff1100000f669000 R08: 1fe22000019b5971 R09: ff1100000fc5ae58
[   30.658320][ T1065] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.658510][ T1065] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.658699][ T1065] FS:  00007f7d24a42840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   30.659436][ T1065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.659608][ T1065] CR2: 00007f7d24d121a0 CR3: 0000000010a41002 CR4: 0000000000771ef0
[   30.659799][ T1065] PKRU: 55555554
[   30.659945][ T1065] Call Trace:
[   30.660037][ T1065]  <TASK>
[   30.660151][ T1065]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.660305][ T1065]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.660462][ T1065]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.660585][ T1065]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.660705][ T1065]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.660858][ T1065]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.661032][ T1065]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.661155][ T1065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.661276][ T1065]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.661403][ T1065]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.661526][ T1065]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.661646][ T1065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.661787][ T1065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.661959][ T1065]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.662081][ T1065]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.662202][ T1065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.662325][ T1065]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.662453][ T1065]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   30.662576][ T1065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.662697][ T1065]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.662818][ T1065]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.662992][ T1065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.663115][ T1065]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.663237][ T1065]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.663367][ T1065]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.663489][ T1065]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.663610][ T1065]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.663734][ T1065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.663855][ T1065]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.664029][ T1065]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.664151][ T1065]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.664273][ T1065]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.664404][ T1065]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.664526][ T1065]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.664650][ T1065]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.664774][ T1065]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.664946][ T1065]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.665069][ T1065]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.665193][ T1065]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.665318][ T1065]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.665446][ T1065]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.665569][ T1065]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.665690][ T1065]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.665842][ T1065]  ? move_addr_to_kernel (net/socket.c:258)
[   30.666015][ T1065]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.666138][ T1065]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.666262][ T1065]  ___sys_sendmsg (net/socket.c:2752)
[   30.666389][ T1065]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.666547][ T1065]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.666680][ T1065]  __sys_sendmsg (net/socket.c:2784)
[   30.666804][ T1065]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.666975][ T1065]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.667129][ T1065]  ? 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)
[   30.667252][ T1065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.667378][ T1065]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.667502][ T1065]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.667632][ T1065]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.667754][ T1065]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.667956][ T1065] RIP: 0033:0x7f7d24c7c08e
[   30.668084][ T1065] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.668528][ T1065] RSP: 002b:00007ffd5a5c8b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.668712][ T1065] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7d24c7c08e
[   30.668944][ T1065] RDX: 0000000000000000 RSI: 00007ffd5a5c8c10 RDI: 0000000000000005
[   30.669129][ T1065] RBP: 00007ffd5a5c8b70 R08: 0000000000000000 R09: 0000000000000000
[   30.669309][ T1065] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec23
[   30.669495][ T1065] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5a5c92e0
| [   30.724396][ T1066] ------------[ cut here ]------------
| [   30.724625][ T1066] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1066
| [   30.724958][ T1066] Modules linked in: ip6_gre ip_gre gre
| [   30.725470][ T1066] Tainted: [W]=WARN
[   30.725616][ T1066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.725828][ T1066] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.726061][ T1066] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.726589][ T1066] RSP: 0018:ffa00000016ff1b0 EFLAGS: 00010286
[   30.726802][ T1066] RAX: 00000000ffffffa6 RBX: ff1100000cdadc40 RCX: 1ff40000002dfdfc
[   30.727059][ T1066] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdadcfc
[   30.727303][ T1066] RBP: ff110000081b4000 R08: 1fe22000019b5ba1 R09: ff11000010058b80
[   30.727555][ T1066] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.727801][ T1066] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300b80
[   30.728059][ T1066] FS:  00007f1f24cce840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   30.728336][ T1066] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.728560][ T1066] CR2: 00005608d5137d5c CR3: 000000000fd07003 CR4: 0000000000771ef0
[   30.728804][ T1066] PKRU: 55555554
[   30.728967][ T1066] Call Trace:
[   30.729113][ T1066]  <TASK>
[   30.729228][ T1066]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.729416][ T1066]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.729565][ T1066]  __dev_notify_flags (net/core/dev.c:9787)
[   30.729745][ T1066]  ? netif_change_name (net/core/dev.c:1495)
[   30.729936][ T1066]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.730116][ T1066]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.730301][ T1066]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   30.730489][ T1066]  ? nla_strscpy (lib/nlattr.c:795)
[   30.730670][ T1066]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   30.730852][ T1066]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   30.731041][ T1066]  ? __dev_get_by_name (net/core/dev.c:883)
[   30.731221][ T1066]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   30.731413][ T1066]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   30.731596][ T1066]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.731782][ T1066]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.731967][ T1066]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.732147][ T1066]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.732324][ T1066]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.732510][ T1066]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.732693][ T1066]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.732872][ T1066]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.733069][ T1066]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.733248][ T1066]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.733434][ T1066]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.733613][ T1066]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.733795][ T1066]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.733984][ T1066]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.734166][ T1066]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.734350][ T1066]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.734537][ T1066]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.734719][ T1066]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.734909][ T1066]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.735091][ T1066]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.735272][ T1066]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.735453][ T1066]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.735633][ T1066]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.735815][ T1066]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.736003][ T1066]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.736184][ T1066]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.736369][ T1066]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.736545][ T1066]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.736753][ T1066]  ? move_addr_to_kernel (net/socket.c:258)
[   30.736952][ T1066]  ___sys_sendmsg (net/socket.c:2752)
[   30.737129][ T1066]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.737309][ T1066]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.737503][ T1066]  ? 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))
[   30.737683][ T1066]  __sys_sendmsg (net/socket.c:2784)
[   30.737863][ T1066]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.738057][ T1066]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.738237][ T1066]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.738421][ T1066]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.738604][ T1066]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.738784][ T1066]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.738977][ T1066]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.739188][ T1066] RIP: 0033:0x7f1f24f0808e
[   30.739381][ T1066] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.739910][ T1066] RSP: 002b:00007ffe5992e2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.740155][ T1066] RAX: ffffffffffffffda RBX: 00007ffe5992ea70 RCX: 00007f1f24f0808e
[   30.740403][ T1066] RDX: 0000000000000000 RSI: 00007ffe5992e370 RDI: 0000000000000005
[   30.740647][ T1066] RBP: 00007ffe5992e2d0 R08: 0000000000000000 R09: 0000000000000000
[   30.740906][ T1066] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec23
[   30.741147][ T1066] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5992ea30
| [   30.801013][ T1068] ------------[ cut here ]------------
| [   30.801168][ T1068] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1068
| [   30.801434][ T1068] Modules linked in: ip6_gre ip_gre gre
| [   30.801831][ T1068] Tainted: [W]=WARN
[   30.802531][ T1068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.802695][ T1068] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.802862][ T1068] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.803410][ T1068] RSP: 0018:ffa000000170f020 EFLAGS: 00010286
[   30.803574][ T1068] RAX: 00000000ffffffa6 RBX: ff1100000f23e040 RCX: 1ff40000002e1dca
[   30.803763][ T1068] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23e0fc
[   30.804042][ T1068] RBP: ff110000081b4000 R08: 1fe2200001e47c21 R09: ff1100001005d158
[   30.804234][ T1068] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   30.804436][ T1068] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.804631][ T1068] FS:  00007f192535f840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   30.804855][ T1068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.805090][ T1068] CR2: 000000002803b988 CR3: 000000000fd06006 CR4: 0000000000771ef0
[   30.805285][ T1068] PKRU: 55555554
[   30.805383][ T1068] Call Trace:
[   30.805479][ T1068]  <TASK>
[   30.805546][ T1068]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.805677][ T1068]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.805775][ T1068]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.805909][ T1068]  __dev_notify_flags (net/core/dev.c:9787)
[   30.806039][ T1068]  ? netif_change_name (net/core/dev.c:1495)
[   30.806168][ T1068]  ? __dev_change_flags (net/core/dev.c:9752)
[   30.806296][ T1068]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.806430][ T1068]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.806558][ T1068]  ? 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))
[   30.806688][ T1068]  netif_change_flags (net/core/dev.c:9820)
[   30.806817][ T1068]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.806954][ T1068]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.807084][ T1068]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.807219][ T1068]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.807384][ T1068]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.807512][ T1068]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.807640][ T1068]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.807767][ T1068]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.807907][ T1068]  ? __kernel_text_address (kernel/extable.c:79)
[   30.808038][ T1068]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.808167][ T1068]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.808294][ T1068]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.808428][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.808555][ T1068]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.808682][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.808808][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.808999][ T1068]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.809129][ T1068]  ? __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)
[   30.809260][ T1068]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.809393][ T1068]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.809522][ T1068]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.809652][ T1068]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.809785][ T1068]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.809969][ T1068]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.810097][ T1068]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.810225][ T1068]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.810355][ T1068]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.810482][ T1068]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.810614][ T1068]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.810742][ T1068]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.810868][ T1068]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.811063][ T1068]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.811192][ T1068]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.811319][ T1068]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.811451][ T1068]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.811577][ T1068]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.811704][ T1068]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.811834][ T1068]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.812048][ T1068]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.812177][ T1068]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.812303][ T1068]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.812435][ T1068]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.812565][ T1068]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.812691][ T1068]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.812821][ T1068]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.813067][ T1068]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.813197][ T1068]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.813324][ T1068]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.813456][ T1068]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.813586][ T1068]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.813714][ T1068]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.813841][ T1068]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.814054][ T1068]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.814211][ T1068]  ? move_addr_to_kernel (net/socket.c:258)
[   30.814343][ T1068]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.814471][ T1068]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.814600][ T1068]  ___sys_sendmsg (net/socket.c:2752)
[   30.814726][ T1068]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.814977][ T1068]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.815118][ T1068]  __sys_sendmsg (net/socket.c:2784)
[   30.815247][ T1068]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.815379][ T1068]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.815541][ T1068]  ? 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)
[   30.815670][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.815800][ T1068]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.815933][ T1068]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.816061][ T1068]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.816188][ T1068]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.816357][ T1068] RIP: 0033:0x7f192559908e
[   30.816494][ T1068] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.816953][ T1068] RSP: 002b:00007ffe2ab7b2b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.817146][ T1068] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f192559908e
[   30.817345][ T1068] RDX: 0000000000000000 RSI: 00007ffe2ab7b360 RDI: 0000000000000005
[   30.817537][ T1068] RBP: 00007ffe2ab7b2c0 R08: 0000000000000000 R09: 0000000000000000
[   30.817729][ T1068] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec24
[   30.817927][ T1068] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2ab7ba30
| [   30.931381][ T1075] ------------[ cut here ]------------
| [   30.931537][ T1075] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1075
| [   30.931799][ T1075] Modules linked in: ip6_gre ip_gre gre
| [   30.932496][ T1075] Tainted: [W]=WARN
[   30.932592][ T1075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.932750][ T1075] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.932923][ T1075] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.933376][ T1075] RSP: 0018:ffa000000174f020 EFLAGS: 00010286
[   30.933539][ T1075] RAX: 00000000ffffffa6 RBX: ff1100000d272e40 RCX: 1ff40000002e9dca
[   30.933730][ T1075] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d272efc
[   30.933923][ T1075] RBP: ff110000081b4000 R08: 1fe2200001a4e5e1 R09: ff1100000f122e58
[   30.934114][ T1075] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   30.934301][ T1075] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.934494][ T1075] FS:  00007f54d8608840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   30.934717][ T1075] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.934877][ T1075] CR2: 00000000283fd988 CR3: 000000000f505005 CR4: 0000000000771ef0
[   30.935074][ T1075] PKRU: 55555554
[   30.935170][ T1075] Call Trace:
[   30.935264][ T1075]  <TASK>
[   30.935330][ T1075]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.935465][ T1075]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.935561][ T1075]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.935688][ T1075]  __dev_notify_flags (net/core/dev.c:9787)
[   30.935818][ T1075]  ? netif_change_name (net/core/dev.c:1495)
[   30.935950][ T1075]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   30.936078][ T1075]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.936204][ T1075]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.936332][ T1075]  ? 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))
[   30.936466][ T1075]  netif_change_flags (net/core/dev.c:9820)
[   30.936594][ T1075]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.936722][ T1075]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.936852][ T1075]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.936987][ T1075]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.937149][ T1075]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.937277][ T1075]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.937412][ T1075]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.937538][ T1075]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.937667][ T1075]  ? __kernel_text_address (kernel/extable.c:79)
[   30.937797][ T1075]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.937931][ T1075]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.938058][ T1075]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.938188][ T1075]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.938314][ T1075]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.938443][ T1075]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.938570][ T1075]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.938697][ T1075]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.938827][ T1075]  ? __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)
[   30.938961][ T1075]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.939088][ T1075]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.939217][ T1075]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.939352][ T1075]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.939486][ T1075]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.939619][ T1075]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.939746][ T1075]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.939873][ T1075]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.940008][ T1075]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.940135][ T1075]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.940264][ T1075]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.940394][ T1075]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.940521][ T1075]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.940648][ T1075]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.940776][ T1075]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.940911][ T1075]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.941044][ T1075]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.941172][ T1075]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.941299][ T1075]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.941432][ T1075]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.941561][ T1075]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.941687][ T1075]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.941814][ T1075]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.941944][ T1075]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.942075][ T1075]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.942201][ T1075]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.942329][ T1075]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.942464][ T1075]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.942592][ T1075]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.942722][ T1075]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.942851][ T1075]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.942987][ T1075]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.943119][ T1075]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.943250][ T1075]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.943383][ T1075]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.943542][ T1075]  ? move_addr_to_kernel (net/socket.c:258)
[   30.943672][ T1075]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.943799][ T1075]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.943931][ T1075]  ___sys_sendmsg (net/socket.c:2752)
[   30.944059][ T1075]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.944220][ T1075]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.944363][ T1075]  __sys_sendmsg (net/socket.c:2784)
[   30.944491][ T1075]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.944620][ T1075]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.944783][ T1075]  ? 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)
[   30.944916][ T1075]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.945046][ T1075]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.945175][ T1075]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.945303][ T1075]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.945435][ T1075]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.945594][ T1075] RIP: 0033:0x7f54d884208e
[   30.945729][ T1075] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.946190][ T1075] RSP: 002b:00007ffda94eacc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.946388][ T1075] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f54d884208e
[   30.946580][ T1075] RDX: 0000000000000000 RSI: 00007ffda94ead70 RDI: 0000000000000005
[   30.946770][ T1075] RBP: 00007ffda94eacd0 R08: 0000000000000000 R09: 0000000000000000
[   30.946962][ T1075] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec24
[   30.947150][ T1075] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda94eb440
| [   31.002941][ T1077] ------------[ cut here ]------------
| [   31.003151][ T1077] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1077
| [   31.003462][ T1077] Modules linked in: ip6_gre ip_gre gre
| [   31.004298][ T1077] Tainted: [W]=WARN
[   31.004529][ T1077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.004826][ T1077] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.005130][ T1077] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.005723][ T1077] RSP: 0018:ffa000000175f020 EFLAGS: 00010286
[   31.005955][ T1077] RAX: 00000000ffffffa6 RBX: ff1100000e22ac80 RCX: 1ff40000002ebdca
[   31.006190][ T1077] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22ad3c
[   31.006440][ T1077] RBP: ff110000081b4000 R08: 1fe2200001c455a9 R09: ff1100000f125158
[   31.006674][ T1077] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   31.006920][ T1077] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.007158][ T1077] FS:  00007fd7df183840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   31.007434][ T1077] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.007638][ T1077] CR2: 00000000158fb988 CR3: 000000001044f002 CR4: 0000000000771ef0
[   31.007875][ T1077] PKRU: 55555554
[   31.008028][ T1077] Call Trace:
[   31.008170][ T1077]  <TASK>
[   31.008285][ T1077]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.008474][ T1077]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.008620][ T1077]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   31.008794][ T1077]  __dev_notify_flags (net/core/dev.c:9787)
[   31.008983][ T1077]  ? netif_change_name (net/core/dev.c:1495)
[   31.009156][ T1077]  ? __dev_change_flags (net/core/dev.c:9752)
[   31.009331][ T1077]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.009513][ T1077]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.009688][ T1077]  ? 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))
[   31.009865][ T1077]  netif_change_flags (net/core/dev.c:9820)
[   31.010053][ T1077]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   31.010227][ T1077]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   31.010412][ T1077]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.010587][ T1077]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.010798][ T1077]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.010984][ T1077]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.011158][ T1077]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.011330][ T1077]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.011514][ T1077]  ? __kernel_text_address (kernel/extable.c:79)
[   31.011688][ T1077]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.011866][ T1077]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.012052][ T1077]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.012225][ T1077]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.012408][ T1077]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.012583][ T1077]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.012756][ T1077]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.012946][ T1077]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.013123][ T1077]  ? __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)
[   31.013301][ T1077]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.013484][ T1077]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.013660][ T1077]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.013836][ T1077]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.014026][ T1077]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.014202][ T1077]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.014382][ T1077]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.014555][ T1077]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.014731][ T1077]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.014917][ T1077]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.015094][ T1077]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.015267][ T1077]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.015447][ T1077]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.015621][ T1077]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.015796][ T1077]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.015986][ T1077]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.016159][ T1077]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.016333][ T1077]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.016514][ T1077]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.016689][ T1077]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.016860][ T1077]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.017048][ T1077]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.017224][ T1077]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.017408][ T1077]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.017585][ T1077]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.017758][ T1077]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.017947][ T1077]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.018124][ T1077]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.018297][ T1077]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.018481][ T1077]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.018657][ T1077]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.018834][ T1077]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.019025][ T1077]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.019200][ T1077]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.019380][ T1077]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.019583][ T1077]  ? move_addr_to_kernel (net/socket.c:258)
[   31.019757][ T1077]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.019945][ T1077]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.020125][ T1077]  ___sys_sendmsg (net/socket.c:2752)
[   31.020297][ T1077]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.020509][ T1077]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.020693][ T1077]  __sys_sendmsg (net/socket.c:2784)
[   31.020866][ T1077]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.021050][ T1077]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.021258][ T1077]  ? 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)
[   31.021444][ T1077]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.021619][ T1077]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.021793][ T1077]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.021981][ T1077]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.022157][ T1077]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.022372][ T1077] RIP: 0033:0x7fd7df3bd08e
[   31.022552][ T1077] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.023063][ T1077] RSP: 002b:00007ffe23b09330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.023302][ T1077] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd7df3bd08e
[   31.023548][ T1077] RDX: 0000000000000000 RSI: 00007ffe23b093e0 RDI: 0000000000000005
[   31.023787][ T1077] RBP: 00007ffe23b09340 R08: 0000000000000000 R09: 0000000000000000
[   31.024036][ T1077] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec24
[   31.024274][ T1077] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe23b09ab0
| [   31.156173][ T1085] ------------[ cut here ]------------
| [   31.156356][ T1085] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1085
| [   31.156620][ T1085] Modules linked in: ip6_gre ip_gre gre
| [   31.157524][ T1085] Tainted: [W]=WARN
[   31.157623][ T1085] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.157783][ T1085] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.157956][ T1085] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.158417][ T1085] RSP: 0018:ffa000000177f060 EFLAGS: 00010286
[   31.158578][ T1085] RAX: 00000000ffffffa6 RBX: ff1100000576cac0 RCX: 1ff40000002efdd2
[   31.158770][ T1085] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576cb7c
[   31.158972][ T1085] RBP: ff110000081b4000 R08: 1fe2200000aed971 R09: ff1100000f6d8b58
[   31.159163][ T1085] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   31.159356][ T1085] R13: 0000000000000000 R14: 0000000000000000 R15: ffa000000177f0f8
[   31.159548][ T1085] FS:  00007f3f8c3af840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   31.159774][ T1085] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.159939][ T1085] CR2: 000000001fbfd988 CR3: 00000000102f5005 CR4: 0000000000771ef0
[   31.160131][ T1085] PKRU: 55555554
[   31.160227][ T1085] Call Trace:
[   31.160321][ T1085]  <TASK>
[   31.160389][ T1085]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.160518][ T1085]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.160615][ T1085]  netif_close_many (net/core/dev.c:1804)
[   31.160743][ T1085]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.160870][ T1085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.161002][ T1085]  ? __dev_close_many (net/core/dev.c:1781)
[   31.161130][ T1085]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   31.161290][ T1085]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   31.161458][ T1085]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.161584][ T1085]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   31.161740][ T1085]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   31.161868][ T1085]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   31.162000][ T1085]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   31.162158][ T1085]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   31.162287][ T1085]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.162419][ T1085]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   31.162546][ T1085]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.162671][ T1085]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.162796][ T1085]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.162926][ T1085]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.163051][ T1085]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.163196][ T1085]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.163321][ T1085]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.163450][ T1085]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.163575][ T1085]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.163701][ T1085]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.163829][ T1085]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   31.163964][ T1085]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.164088][ T1085]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.164213][ T1085]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.164338][ T1085]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.164471][ T1085]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.164596][ T1085]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.164722][ T1085]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.164848][ T1085]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.164979][ T1085]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.165107][ T1085]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.165231][ T1085]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.165363][ T1085]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.165490][ T1085]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.165616][ T1085]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.165744][ T1085]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.165869][ T1085]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.166000][ T1085]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.166128][ T1085]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.166253][ T1085]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.166386][ T1085]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.166515][ T1085]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.166643][ T1085]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.166772][ T1085]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.166901][ T1085]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.167027][ T1085]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.167182][ T1085]  ? move_addr_to_kernel (net/socket.c:258)
[   31.167310][ T1085]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.167446][ T1085]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.167573][ T1085]  ___sys_sendmsg (net/socket.c:2752)
[   31.167700][ T1085]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.167855][ T1085]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.167999][ T1085]  __sys_sendmsg (net/socket.c:2784)
[   31.168127][ T1085]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.168252][ T1085]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.168416][ T1085]  ? 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)
[   31.168543][ T1085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.168672][ T1085]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.168799][ T1085]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.168931][ T1085]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.169059][ T1085]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.169216][ T1085] RIP: 0033:0x7f3f8c5e908e
[   31.169356][ T1085] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.169814][ T1085] RSP: 002b:00007ffed71dbf90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.170012][ T1085] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3f8c5e908e
[   31.170203][ T1085] RDX: 0000000000000000 RSI: 00007ffed71dc040 RDI: 0000000000000005
[   31.170398][ T1085] RBP: 00007ffed71dbfa0 R08: 0000000000000000 R09: 0000000000000000
[   31.170588][ T1085] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec24
[   31.170776][ T1085] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed71dc710
| [   31.174194][ T1085] ------------[ cut here ]------------
| [   31.174324][ T1085] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1085
| [   31.174647][ T1085] Modules linked in: ip6_gre ip_gre gre
| [   31.175348][ T1085] Tainted: [W]=WARN
[   31.175441][ T1085] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.175595][ T1085] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.175752][ T1085] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.176193][ T1085] RSP: 0018:ffa000000177f190 EFLAGS: 00010286
[   31.176354][ T1085] RAX: 00000000ffffffa6 RBX: ff1100000d15ec80 RCX: 1ff40000002efdf8
[   31.176538][ T1085] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15ed3c
[   31.176803][ T1085] RBP: ff110000081b4000 R08: 1fe2200001a2bda9 R09: ff1100000f6d8b58
[   31.176987][ T1085] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   31.177247][ T1085] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   31.177441][ T1085] FS:  00007f3f8c3af840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   31.177661][ T1085] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.177897][ T1085] CR2: 000000001fbfd988 CR3: 00000000102f5005 CR4: 0000000000771ef0
[   31.178080][ T1085] PKRU: 55555554
[   31.178172][ T1085] Call Trace:
[   31.178262][ T1085]  <TASK>
[   31.178406][ T1085]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   31.178563][ T1085]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   31.178714][ T1085]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   31.178836][ T1085]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   31.178965][ T1085]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   31.179118][ T1085]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.179241][ T1085]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   31.179370][ T1085]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.179570][ T1085]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.179691][ T1085]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.179811][ T1085]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.180014][ T1085]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.180153][ T1085]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.180274][ T1085]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.180403][ T1085]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.180524][ T1085]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.180722][ T1085]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.180844][ T1085]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   31.180971][ T1085]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.181093][ T1085]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.181291][ T1085]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.181415][ T1085]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.181539][ T1085]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.181660][ T1085]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.181860][ T1085]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.181987][ T1085]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.182108][ T1085]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.182232][ T1085]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.182433][ T1085]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.182557][ T1085]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.182678][ T1085]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.182800][ T1085]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.183009][ T1085]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.183130][ T1085]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.183255][ T1085]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.183381][ T1085]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.183582][ T1085]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.183704][ T1085]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.183826][ T1085]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.184031][ T1085]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.184156][ T1085]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.184277][ T1085]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.184403][ T1085]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.184631][ T1085]  ? move_addr_to_kernel (net/socket.c:258)
[   31.184755][ T1085]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.184879][ T1085]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.185008][ T1085]  ___sys_sendmsg (net/socket.c:2752)
[   31.185208][ T1085]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.185365][ T1085]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.185500][ T1085]  __sys_sendmsg (net/socket.c:2784)
[   31.185621][ T1085]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.185842][ T1085]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.186003][ T1085]  ? 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)
[   31.186126][ T1085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.186249][ T1085]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.186455][ T1085]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.186578][ T1085]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.186699][ T1085]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.186850][ T1085] RIP: 0033:0x7f3f8c5e908e
[   31.187069][ T1085] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.187590][ T1085] RSP: 002b:00007ffed71dbf90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.187773][ T1085] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3f8c5e908e
[   31.187960][ T1085] RDX: 0000000000000000 RSI: 00007ffed71dc040 RDI: 0000000000000005
[   31.188226][ T1085] RBP: 00007ffed71dbfa0 R08: 0000000000000000 R09: 0000000000000000
[   31.188412][ T1085] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec24
[   31.188594][ T1085] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed71dc710
| [   31.233111][ T1086] ------------[ cut here ]------------
| [   31.233259][ T1086] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1086
| [   31.233527][ T1086] Modules linked in: ip6_gre ip_gre gre
| [   31.234259][ T1086] Tainted: [W]=WARN
[   31.234367][ T1086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.234531][ T1086] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.234703][ 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
[   31.235251][ T1086] RSP: 0018:ffa000000178f1b0 EFLAGS: 00010286
[   31.235420][ T1086] RAX: 00000000ffffffa6 RBX: ff110000052eb540 RCX: 1ff40000002f1dfc
[   31.235615][ T1086] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052eb5fc
[   31.235811][ T1086] RBP: ff1100000609c000 R08: 1fe2200000a5d6c1 R09: ff1100000a948b80
[   31.236063][ T1086] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   31.236260][ T1086] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300b80
[   31.236518][ T1086] FS:  00007fc3c9eb6840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   31.236749][ T1086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.236972][ T1086] CR2: 00007fc3ca190cb0 CR3: 00000000105ef005 CR4: 0000000000771ef0
[   31.237172][ T1086] PKRU: 55555554
[   31.237271][ T1086] Call Trace:
[   31.237373][ T1086]  <TASK>
[   31.237442][ T1086]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.237576][ T1086]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.237676][ T1086]  __dev_notify_flags (net/core/dev.c:9787)
[   31.237811][ T1086]  ? netif_change_name (net/core/dev.c:1495)
[   31.238002][ T1086]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.238139][ T1086]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   31.238271][ T1086]  ? nla_strscpy (lib/nlattr.c:795)
[   31.238409][ T1086]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   31.238542][ T1086]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   31.238677][ T1086]  ? __dev_get_by_name (net/core/dev.c:883)
[   31.238808][ T1086]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   31.239025][ T1086]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   31.239162][ T1086]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.239295][ T1086]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.239434][ T1086]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.239565][ T1086]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.239695][ T1086]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.239825][ T1086]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.240017][ T1086]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.240153][ T1086]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.240284][ T1086]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.240419][ T1086]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.240549][ T1086]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.240678][ T1086]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.240810][ T1086]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.241008][ T1086]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.241142][ T1086]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.241272][ T1086]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.241408][ T1086]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.241545][ T1086]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.241677][ T1086]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.241810][ T1086]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.241987][ T1086]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.242121][ T1086]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.242254][ T1086]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.242390][ T1086]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.242522][ T1086]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.242655][ T1086]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.242786][ T1086]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.242925][ T1086]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.243087][ T1086]  ? move_addr_to_kernel (net/socket.c:258)
[   31.243223][ T1086]  ___sys_sendmsg (net/socket.c:2752)
[   31.243357][ T1086]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.243488][ T1086]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.243627][ T1086]  ? 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))
[   31.243760][ T1086]  __sys_sendmsg (net/socket.c:2784)
[   31.243897][ T1086]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.244033][ T1086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.244165][ T1086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.244298][ T1086]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.244435][ T1086]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.244567][ T1086]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.244699][ T1086]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.244862][ T1086] RIP: 0033:0x7fc3ca0f008e
[   31.245005][ T1086] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.245478][ T1086] RSP: 002b:00007ffed118b790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.245674][ T1086] RAX: ffffffffffffffda RBX: 00007ffed118bf40 RCX: 00007fc3ca0f008e
[   31.245870][ T1086] RDX: 0000000000000000 RSI: 00007ffed118b840 RDI: 0000000000000005
[   31.246074][ T1086] RBP: 00007ffed118b7a0 R08: 0000000000000000 R09: 0000000000000000
[   31.246270][ T1086] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec24
[   31.246468][ T1086] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed118bf00
| [   31.321224][ T1088] ------------[ cut here ]------------
| [   31.321378][ T1088] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1088
| [   31.321632][ T1088] Modules linked in: ip6_gre ip_gre gre
| [   31.322028][ T1088] Tainted: [W]=WARN
[   31.322124][ T1088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.322282][ T1088] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.322450][ T1088] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.322908][ T1088] RSP: 0018:ffa00000017af020 EFLAGS: 00010286
[   31.323067][ T1088] RAX: 00000000ffffffa6 RBX: ff1100000be383c0 RCX: 1ff40000002f5dca
[   31.323256][ T1088] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3847c
[   31.323451][ T1088] RBP: ff1100000609c000 R08: 1fe22000017c7091 R09: ff1100000f37d158
[   31.323638][ T1088] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   31.323827][ T1088] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.324023][ T1088] FS:  00007f9d2ec90840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   31.324244][ T1088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.324408][ T1088] CR2: 00007f9d2ef601a0 CR3: 000000000f4a7003 CR4: 0000000000771ef0
[   31.324601][ T1088] PKRU: 55555554
[   31.324696][ T1088] Call Trace:
[   31.324791][ T1088]  <TASK>
[   31.324857][ T1088]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.324994][ T1088]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.325092][ T1088]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   31.325221][ T1088]  __dev_notify_flags (net/core/dev.c:9787)
[   31.325356][ T1088]  ? netif_change_name (net/core/dev.c:1495)
[   31.325485][ T1088]  ? __dev_change_flags (net/core/dev.c:9752)
[   31.325613][ T1088]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.325740][ T1088]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.325866][ T1088]  ? 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))
[   31.326000][ T1088]  netif_change_flags (net/core/dev.c:9820)
[   31.326130][ T1088]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   31.326259][ T1088]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   31.326391][ T1088]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.326520][ T1088]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.326679][ T1088]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.326806][ T1088]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.326938][ T1088]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.327065][ T1088]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.327193][ T1088]  ? __kernel_text_address (kernel/extable.c:79)
[   31.327321][ T1088]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.327452][ T1088]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.327580][ T1088]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.327709][ T1088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.327837][ T1088]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.327967][ T1088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.328094][ T1088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.328222][ T1088]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.328351][ T1088]  ? __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)
[   31.328479][ T1088]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.328607][ T1088]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.328735][ T1088]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.328865][ T1088]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.329001][ T1088]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.329129][ T1088]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.329255][ T1088]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.329385][ T1088]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.329511][ T1088]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.329637][ T1088]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.329765][ T1088]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.329897][ T1088]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.330022][ T1088]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.330150][ T1088]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.330277][ T1088]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.330408][ T1088]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.330536][ T1088]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.330663][ T1088]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.330790][ T1088]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.330924][ T1088]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.331050][ T1088]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.331179][ T1088]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.331306][ T1088]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.331438][ T1088]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.331568][ T1088]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.331695][ T1088]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.331826][ T1088]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.331961][ T1088]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.332089][ T1088]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.332218][ T1088]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.332350][ T1088]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.332481][ T1088]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.332613][ T1088]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.332741][ T1088]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.332868][ T1088]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.333031][ T1088]  ? move_addr_to_kernel (net/socket.c:258)
[   31.333158][ T1088]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.333285][ T1088]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.333418][ T1088]  ___sys_sendmsg (net/socket.c:2752)
[   31.333544][ T1088]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.333701][ T1088]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.333841][ T1088]  __sys_sendmsg (net/socket.c:2784)
[   31.333974][ T1088]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.334100][ T1088]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.334260][ T1088]  ? 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)
[   31.334393][ T1088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.334521][ T1088]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.334650][ T1088]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.334778][ T1088]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.334910][ T1088]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.335069][ T1088] RIP: 0033:0x7f9d2eeca08e
[   31.335202][ T1088] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.335658][ T1088] RSP: 002b:00007ffd54af7ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.335849][ T1088] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9d2eeca08e
[   31.336043][ T1088] RDX: 0000000000000000 RSI: 00007ffd54af7d90 RDI: 0000000000000005
[   31.336231][ T1088] RBP: 00007ffd54af7cf0 R08: 0000000000000000 R09: 0000000000000000
[   31.336428][ T1088] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec24
[   31.336617][ T1088] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd54af8460
| [   31.444110][ T1095] ------------[ cut here ]------------
| [   31.444299][ T1095] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1095
| [   31.444606][ T1095] Modules linked in: ip6_gre ip_gre gre
| [   31.445106][ T1095] Tainted: [W]=WARN
[   31.445250][ T1095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.445466][ T1095] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.445679][ T1095] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.446597][ T1095] RSP: 0018:ffa00000017ff020 EFLAGS: 00010286
[   31.446804][ T1095] RAX: 00000000ffffffa6 RBX: ff110000097c3540 RCX: 1ff40000002ffdca
[   31.447055][ T1095] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c35fc
[   31.447292][ T1095] RBP: ff1100000609c000 R08: 1fe22000012f86c1 R09: ff1100000f16d158
[   31.447541][ T1095] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   31.447780][ T1095] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.448032][ T1095] FS:  00007f21707e4840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   31.448305][ T1095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.448520][ T1095] CR2: 000000000abb8988 CR3: 0000000005103002 CR4: 0000000000771ef0
[   31.448761][ T1095] PKRU: 55555554
[   31.448915][ T1095] Call Trace:
[   31.449057][ T1095]  <TASK>
[   31.449171][ T1095]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.449355][ T1095]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.449502][ T1095]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   31.449676][ T1095]  __dev_notify_flags (net/core/dev.c:9787)
[   31.449854][ T1095]  ? netif_change_name (net/core/dev.c:1495)
[   31.450041][ T1095]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   31.450219][ T1095]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.450401][ T1095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.450577][ T1095]  ? 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))
[   31.450755][ T1095]  netif_change_flags (net/core/dev.c:9820)
[   31.450945][ T1095]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   31.451122][ T1095]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   31.451301][ T1095]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.451487][ T1095]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.451695][ T1095]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.451870][ T1095]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.452058][ T1095]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.452233][ T1095]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.452418][ T1095]  ? __kernel_text_address (kernel/extable.c:79)
[   31.452597][ T1095]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.452774][ T1095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.452961][ T1095]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.453140][ T1095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.453317][ T1095]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.453499][ T1095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.453674][ T1095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.453850][ T1095]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.454037][ T1095]  ? __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)
[   31.454214][ T1095]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.454397][ T1095]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.454577][ T1095]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.454757][ T1095]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.454953][ T1095]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.455132][ T1095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.455307][ T1095]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.455487][ T1095]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.455661][ T1095]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.455836][ T1095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.456028][ T1095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.456204][ T1095]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.456390][ T1095]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.456566][ T1095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.456743][ T1095]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.456931][ T1095]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.457109][ T1095]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.457283][ T1095]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.457473][ T1095]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.457652][ T1095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.457828][ T1095]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.458019][ T1095]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.458196][ T1095]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.458380][ T1095]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.458562][ T1095]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.458738][ T1095]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.458928][ T1095]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.459105][ T1095]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.459281][ T1095]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.459470][ T1095]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.459651][ T1095]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.459829][ T1095]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.460020][ T1095]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.460197][ T1095]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.460379][ T1095]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.460586][ T1095]  ? move_addr_to_kernel (net/socket.c:258)
[   31.460764][ T1095]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.460953][ T1095]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.461132][ T1095]  ___sys_sendmsg (net/socket.c:2752)
[   31.461306][ T1095]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.461520][ T1095]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.461708][ T1095]  __sys_sendmsg (net/socket.c:2784)
[   31.461899][ T1095]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.462074][ T1095]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.462282][ T1095]  ? 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)
[   31.462468][ T1095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.462646][ T1095]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.462823][ T1095]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.463012][ T1095]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.463191][ T1095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.463405][ T1095] RIP: 0033:0x7f2170a1e08e
[   31.463589][ T1095] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.464108][ T1095] RSP: 002b:00007ffe4880b810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.464355][ T1095] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2170a1e08e
[   31.464597][ T1095] RDX: 0000000000000000 RSI: 00007ffe4880b8c0 RDI: 0000000000000005
[   31.464840][ T1095] RBP: 00007ffe4880b820 R08: 0000000000000000 R09: 0000000000000000
[   31.465092][ T1095] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec24
[   31.465331][ T1095] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4880bf90
| [   31.517593][ T1097] ------------[ cut here ]------------
| [   31.517776][ T1097] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1097
| [   31.518098][ T1097] Modules linked in: ip6_gre ip_gre gre
| [   31.518595][ T1097] Tainted: [W]=WARN
[   31.518743][ T1097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.518968][ T1097] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.519183][ 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
[   31.519697][ T1097] RSP: 0018:ffa00000017ef020 EFLAGS: 00010286
[   31.519921][ T1097] RAX: 00000000ffffffa6 RBX: ff1100000282a900 RCX: 1ff40000002fddca
[   31.520157][ T1097] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282a9bc
[   31.520402][ T1097] RBP: ff1100000609c000 R08: 1fe2200000505539 R09: ff110000099d5158
[   31.520637][ T1097] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   31.520878][ T1097] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.521133][ T1097] FS:  00007fa229e05840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   31.521416][ T1097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.521625][ T1097] CR2: 0000000012848988 CR3: 0000000012c1a004 CR4: 0000000000771ef0
[   31.521866][ T1097] PKRU: 55555554
[   31.522020][ T1097] Call Trace:
[   31.522162][ T1097]  <TASK>
[   31.522275][ T1097]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.522458][ T1097]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.522604][ T1097]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   31.522779][ T1097]  __dev_notify_flags (net/core/dev.c:9787)
[   31.522968][ T1097]  ? netif_change_name (net/core/dev.c:1495)
[   31.523143][ T1097]  ? __dev_change_flags (net/core/dev.c:9752)
[   31.523321][ T1097]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.523502][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.523678][ 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))
[   31.523855][ T1097]  netif_change_flags (net/core/dev.c:9820)
[   31.524044][ T1097]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   31.524220][ T1097]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   31.524409][ T1097]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.524585][ T1097]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.524792][ T1097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.524980][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.525156][ T1097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.525330][ T1097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.525514][ T1097]  ? __kernel_text_address (kernel/extable.c:79)
[   31.525692][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.525869][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.526057][ T1097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.526234][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.526417][ T1097]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.526592][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.526767][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.526959][ T1097]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.527137][ 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)
[   31.527313][ T1097]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.527495][ T1097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.527671][ T1097]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.527849][ T1097]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.528036][ T1097]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.528215][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.528397][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.528572][ T1097]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.528746][ T1097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.528932][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.529111][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.529285][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.529482][ T1097]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.529657][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.529837][ T1097]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.530026][ T1097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.530201][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.530385][ T1097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.530562][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.530740][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.530926][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.531106][ T1097]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.531282][ T1097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.531468][ T1097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.531647][ 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))
[   31.531820][ 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))
[   31.532011][ T1097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.532189][ T1097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.532373][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.532553][ T1097]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.532731][ T1097]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.532919][ T1097]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.533097][ T1097]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.533273][ T1097]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.533452][ T1097]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.533656][ T1097]  ? move_addr_to_kernel (net/socket.c:258)
[   31.533834][ T1097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.534021][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.534198][ T1097]  ___sys_sendmsg (net/socket.c:2752)
[   31.534378][ T1097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.534586][ T1097]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.534774][ T1097]  __sys_sendmsg (net/socket.c:2784)
[   31.534964][ T1097]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.535141][ T1097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.535358][ 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)
[   31.535533][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.535731][ T1097]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.535917][ T1097]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.536091][ T1097]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.536267][ T1097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.536481][ T1097] RIP: 0033:0x7fa22a03f08e
[   31.536666][ 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
[   31.537181][ T1097] RSP: 002b:00007fff2c030ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.537430][ T1097] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa22a03f08e
[   31.537671][ T1097] RDX: 0000000000000000 RSI: 00007fff2c030fa0 RDI: 0000000000000005
[   31.537920][ T1097] RBP: 00007fff2c030f00 R08: 0000000000000000 R09: 0000000000000000
[   31.538173][ T1097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec24
[   31.538418][ T1097] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2c031670
| [   31.697607][ T1105] ------------[ cut here ]------------
| [   31.697764][ T1105] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1105
| [   31.698035][ T1105] Modules linked in: ip6_gre ip_gre gre
| [   31.698443][ T1105] Tainted: [W]=WARN
[   31.698540][ T1105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.698702][ T1105] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.698868][ T1105] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.699335][ T1105] RSP: 0018:ffa000000120f060 EFLAGS: 00010286
[   31.699507][ T1105] RAX: 00000000ffffffa6 RBX: ff1100000c108ac0 RCX: 1ff4000000241dd2
[   31.699719][ T1105] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c108b7c
[   31.699919][ T1105] RBP: ff1100000609c000 R08: 1fe2200001821171 R09: ff1100000b4eae58
[   31.700111][ T1105] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   31.700303][ T1105] R13: 0000000000000000 R14: 0000000000000000 R15: ffa000000120f0f8
[   31.700500][ T1105] FS:  00007fee39e9b840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   31.700722][ T1105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.700889][ T1105] CR2: 000000000c813988 CR3: 000000000e77b001 CR4: 0000000000771ef0
[   31.701086][ T1105] PKRU: 55555554
[   31.701182][ T1105] Call Trace:
[   31.701278][ T1105]  <TASK>
[   31.701349][ T1105]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.701481][ T1105]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.701578][ T1105]  netif_close_many (net/core/dev.c:1804)
[   31.701706][ T1105]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.701834][ T1105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.701968][ T1105]  ? __dev_close_many (net/core/dev.c:1781)
[   31.702099][ T1105]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   31.702259][ T1105]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   31.702426][ T1105]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.702553][ T1105]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   31.702711][ T1105]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   31.702840][ T1105]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   31.702973][ T1105]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   31.703132][ T1105]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   31.703260][ T1105]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.703390][ T1105]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   31.703518][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.703647][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.703774][ T1105]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.703915][ T1105]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.704045][ T1105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.704192][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.704320][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.704450][ T1105]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.704579][ T1105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.704706][ T1105]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.704831][ T1105]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   31.704975][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.705108][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.705235][ T1105]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.705368][ T1105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.705496][ T1105]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.705629][ T1105]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.705757][ T1105]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.705893][ T1105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.706022][ T1105]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.706152][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.706279][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.706412][ T1105]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.706540][ T1105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.706667][ T1105]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.706798][ T1105]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.707634][ T1105]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.707768][ T1105]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.707907][ T1105]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.708043][ T1105]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.708172][ T1105]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.708302][ T1105]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.708436][ T1105]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.708567][ T1105]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.708696][ T1105]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.708825][ T1105]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.708989][ T1105]  ? move_addr_to_kernel (net/socket.c:258)
[   31.709118][ T1105]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.709246][ T1105]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.709382][ T1105]  ___sys_sendmsg (net/socket.c:2752)
[   31.709508][ T1105]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.709669][ T1105]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.709808][ T1105]  __sys_sendmsg (net/socket.c:2784)
[   31.709945][ T1105]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.710074][ T1105]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.710234][ T1105]  ? 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)
[   31.710368][ T1105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.710500][ T1105]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.710629][ T1105]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.710760][ T1105]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.710892][ T1105]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.711053][ T1105] RIP: 0033:0x7fee3a0d508e
[   31.711189][ T1105] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.711649][ T1105] RSP: 002b:00007ffdb2323e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.711844][ T1105] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fee3a0d508e
[   31.712042][ T1105] RDX: 0000000000000000 RSI: 00007ffdb2323ef0 RDI: 0000000000000005
[   31.712232][ T1105] RBP: 00007ffdb2323e50 R08: 0000000000000000 R09: 0000000000000000
[   31.712430][ T1105] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec24
[   31.712622][ T1105] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb23245c0
| [   31.724023][ T1105] ------------[ cut here ]------------
| [   31.724159][ T1105] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1105
| [   31.724412][ T1105] Modules linked in: ip6_gre ip_gre gre
| [   31.724790][ T1105] Tainted: [W]=WARN
[   31.724901][ T1105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.725056][ T1105] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.725216][ T1105] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.725659][ T1105] RSP: 0018:ffa000000120f190 EFLAGS: 00010286
[   31.725820][ T1105] RAX: 00000000ffffffa6 RBX: ff1100000c1091c0 RCX: 1ff4000000241df8
[   31.726011][ T1105] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c10927c
[   31.726196][ T1105] RBP: ff1100000609c000 R08: 1fe2200001821251 R09: ff1100000b4eae58
[   31.726386][ T1105] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   31.726573][ T1105] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   31.726759][ T1105] FS:  00007fee39e9b840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   31.726982][ T1105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.727136][ T1105] CR2: 000000000c813988 CR3: 000000000e77b001 CR4: 0000000000771ef0
[   31.727322][ T1105] PKRU: 55555554
[   31.727419][ T1105] Call Trace:
[   31.727511][ T1105]  <TASK>
[   31.727577][ T1105]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   31.727736][ T1105]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   31.727894][ T1105]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   31.728021][ T1105]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   31.728145][ T1105]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   31.728302][ T1105]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.728433][ T1105]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   31.728556][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.728677][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.728800][ T1105]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.728929][ T1105]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.729053][ T1105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.729193][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.729317][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.729447][ T1105]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.729572][ T1105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.729694][ T1105]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.729820][ T1105]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   31.730006][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.730129][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.730251][ T1105]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.730379][ T1105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.730506][ T1105]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.730631][ T1105]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.730753][ T1105]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.730876][ T1105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.731057][ T1105]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.731183][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.731306][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.731433][ T1105]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.731558][ T1105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.731685][ T1105]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.731814][ T1105]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.731990][ T1105]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.732115][ T1105]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.732239][ T1105]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.732368][ T1105]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.732493][ T1105]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.732617][ T1105]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.732743][ T1105]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.732868][ T1105]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.732998][ T1105]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.733122][ T1105]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.733272][ T1105]  ? move_addr_to_kernel (net/socket.c:258)
[   31.733401][ T1105]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.733526][ T1105]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.733653][ T1105]  ___sys_sendmsg (net/socket.c:2752)
[   31.733774][ T1105]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.733929][ T1105]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.734064][ T1105]  __sys_sendmsg (net/socket.c:2784)
[   31.734187][ T1105]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.734309][ T1105]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.734472][ T1105]  ? 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)
[   31.734598][ T1105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.734721][ T1105]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.734845][ T1105]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.734975][ T1105]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.735099][ T1105]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.735252][ T1105] RIP: 0033:0x7fee3a0d508e
[   31.735386][ T1105] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.735824][ T1105] RSP: 002b:00007ffdb2323e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.736018][ T1105] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fee3a0d508e
[   31.736201][ T1105] RDX: 0000000000000000 RSI: 00007ffdb2323ef0 RDI: 0000000000000005
[   31.736387][ T1105] RBP: 00007ffdb2323e50 R08: 0000000000000000 R09: 0000000000000000
[   31.736571][ T1105] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec24
[   31.736758][ T1105] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb23245c0
| [   31.788079][ T1106] ------------[ cut here ]------------
| [   31.788229][ T1106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1106
| [   31.788510][ T1106] Modules linked in: ip6_gre ip_gre gre
| [   31.788939][ T1106] Tainted: [W]=WARN
[   31.789045][ T1106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.789217][ T1106] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.789397][ 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
[   31.789858][ T1106] RSP: 0018:ffa000000184f1b0 EFLAGS: 00010286
[   31.790026][ T1106] RAX: 00000000ffffffa6 RBX: ff1100000ab59380 RCX: 1ff4000000309dfc
[   31.790220][ T1106] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab5943c
[   31.790419][ T1106] RBP: ff11000005339000 R08: 1fe220000156b289 R09: ff1100000b4ed180
[   31.790615][ T1106] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   31.790807][ T1106] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300b80
[   31.791007][ T1106] FS:  00007f6d6970c840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   31.791238][ T1106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.791407][ T1106] CR2: 00007f6d699e6cb0 CR3: 000000000be1e004 CR4: 0000000000771ef0
[   31.791603][ T1106] PKRU: 55555554
[   31.791701][ T1106] Call Trace:
[   31.791798][ T1106]  <TASK>
[   31.791867][ T1106]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.792005][ T1106]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.792105][ T1106]  __dev_notify_flags (net/core/dev.c:9787)
[   31.792237][ T1106]  ? netif_change_name (net/core/dev.c:1495)
[   31.792373][ T1106]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.792508][ T1106]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   31.792639][ T1106]  ? nla_strscpy (lib/nlattr.c:795)
[   31.792771][ T1106]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   31.792908][ T1106]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   31.793038][ T1106]  ? __dev_get_by_name (net/core/dev.c:883)
[   31.793167][ T1106]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   31.793304][ T1106]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   31.793442][ T1106]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.793575][ T1106]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.793705][ T1106]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.793834][ T1106]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.793970][ T1106]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.794099][ T1106]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.794233][ T1106]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.794370][ T1106]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.794502][ T1106]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.794632][ T1106]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.794763][ T1106]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.794898][ T1106]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.795031][ T1106]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.795162][ T1106]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.795296][ T1106]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.795432][ T1106]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.795562][ T1106]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.795696][ T1106]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.795825][ T1106]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.795963][ T1106]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.796095][ T1106]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.796227][ T1106]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.796361][ T1106]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.796493][ T1106]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.796625][ T1106]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.796757][ T1106]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.796893][ T1106]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.797023][ T1106]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.797183][ T1106]  ? move_addr_to_kernel (net/socket.c:258)
[   31.797318][ T1106]  ___sys_sendmsg (net/socket.c:2752)
[   31.797451][ T1106]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.797581][ T1106]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.797721][ T1106]  ? 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))
[   31.797854][ T1106]  __sys_sendmsg (net/socket.c:2784)
[   31.797990][ T1106]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.798125][ T1106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.798257][ T1106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.798392][ T1106]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.798521][ T1106]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.798652][ T1106]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.798783][ T1106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.798952][ T1106] RIP: 0033:0x7f6d6994608e
[   31.799087][ T1106] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.799554][ T1106] RSP: 002b:00007fff59a1d570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.799753][ T1106] RAX: ffffffffffffffda RBX: 00007fff59a1dd20 RCX: 00007f6d6994608e
[   31.799955][ T1106] RDX: 0000000000000000 RSI: 00007fff59a1d620 RDI: 0000000000000005
[   31.800152][ T1106] RBP: 00007fff59a1d580 R08: 0000000000000000 R09: 0000000000000000
[   31.800350][ T1106] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec25
[   31.800543][ T1106] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff59a1dce0
| [   31.850748][ T1108] ------------[ cut here ]------------
| [   31.850907][ T1108] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1108
| [   31.851160][ T1108] Modules linked in: ip6_gre ip_gre gre
| [   31.851553][ T1108] Tainted: [W]=WARN
[   31.851648][ T1108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.851805][ T1108] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.851976][ T1108] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.852432][ T1108] RSP: 0018:ffa000000186f020 EFLAGS: 00010286
[   31.852592][ T1108] RAX: 00000000ffffffa6 RBX: ff1100000ab59700 RCX: 1ff400000030ddca
[   31.852781][ T1108] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab597bc
[   31.852975][ T1108] RBP: ff11000005339000 R08: 1fe220000156b2f9 R09: ff11000009c20b58
[   31.853163][ T1108] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   31.853356][ T1108] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.853546][ T1108] FS:  00007f21be5f6840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   31.853767][ T1108] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.853931][ T1108] CR2: 000000001b2f0988 CR3: 0000000012c47006 CR4: 0000000000771ef0
[   31.854121][ T1108] PKRU: 55555554
[   31.854216][ T1108] Call Trace:
[   31.854311][ T1108]  <TASK>
[   31.854381][ T1108]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.854512][ T1108]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.854609][ T1108]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   31.854737][ T1108]  __dev_notify_flags (net/core/dev.c:9787)
[   31.854865][ T1108]  ? netif_change_name (net/core/dev.c:1495)
[   31.854998][ T1108]  ? __dev_change_flags (net/core/dev.c:9752)
[   31.855125][ T1108]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.855251][ T1108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.855385][ T1108]  ? 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))
[   31.855513][ T1108]  netif_change_flags (net/core/dev.c:9820)
[   31.855641][ T1108]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   31.855769][ T1108]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   31.856582][ T1108]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.856713][ T1108]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.856870][ T1108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.857049][ T1108]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.857180][ T1108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.857306][ T1108]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.857436][ T1108]  ? __kernel_text_address (kernel/extable.c:79)
[   31.857564][ T1108]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.857694][ T1108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.857821][ T1108]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.857955][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.858083][ T1108]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.858209][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.858337][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.858469][ T1108]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.858597][ T1108]  ? __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)
[   31.858725][ T1108]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.858854][ T1108]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.858987][ T1108]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.859117][ T1108]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.859247][ T1108]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.859380][ T1108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.859506][ T1108]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.859632][ T1108]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.859758][ T1108]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.859889][ T1108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.860018][ T1108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.860144][ T1108]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.860271][ T1108]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.860403][ T1108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.860531][ T1108]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.860658][ T1108]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.860786][ T1108]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.860921][ T1108]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.861046][ T1108]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.861175][ T1108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.861300][ T1108]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.861431][ T1108]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.861559][ T1108]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.861686][ T1108]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.861816][ T1108]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.861949][ T1108]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.862077][ T1108]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.862206][ T1108]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.862334][ T1108]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.862467][ T1108]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.862595][ T1108]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.862723][ T1108]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.862852][ T1108]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.862985][ T1108]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.863111][ T1108]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.863269][ T1108]  ? move_addr_to_kernel (net/socket.c:258)
[   31.863402][ T1108]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.863529][ T1108]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.863658][ T1108]  ___sys_sendmsg (net/socket.c:2752)
[   31.863786][ T1108]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.863949][ T1108]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.864117][ T1108]  __sys_sendmsg (net/socket.c:2784)
[   31.864244][ T1108]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.864375][ T1108]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.864537][ T1108]  ? 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)
[   31.864666][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.864794][ T1108]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.864927][ T1108]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.865054][ T1108]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.865220][ T1108]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.865380][ T1108] RIP: 0033:0x7f21be83008e
[   31.865513][ T1108] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.865966][ T1108] RSP: 002b:00007ffddf7d1120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.866158][ T1108] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f21be83008e
[   31.866351][ T1108] RDX: 0000000000000000 RSI: 00007ffddf7d11d0 RDI: 0000000000000005
[   31.866541][ T1108] RBP: 00007ffddf7d1130 R08: 0000000000000000 R09: 0000000000000000
[   31.866730][ T1108] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec25
[   31.866925][ T1108] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddf7d18a0
| [   31.970548][ T1115] ------------[ cut here ]------------
| [   31.970696][ T1115] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1115
| [   31.970961][ T1115] Modules linked in: ip6_gre ip_gre gre
| [   31.971350][ T1115] Tainted: [W]=WARN
[   31.971447][ T1115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.971604][ T1115] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.971767][ T1115] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.972219][ T1115] RSP: 0018:ffa00000018af020 EFLAGS: 00010286
[   31.972384][ T1115] RAX: 00000000ffffffa6 RBX: ff1100000c30b1c0 RCX: 1ff4000000315dca
[   31.972570][ T1115] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30b27c
[   31.972756][ T1115] RBP: ff11000005339000 R08: 1fe2200001861651 R09: ff11000009ac2e58
[   31.972949][ T1115] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   31.973136][ T1115] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.973324][ T1115] FS:  00007f9a36655840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   31.973551][ T1115] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.973709][ T1115] CR2: 000000003c1d8988 CR3: 00000000105ee001 CR4: 0000000000771ef0
[   31.974547][ T1115] PKRU: 55555554
[   31.974643][ T1115] Call Trace:
[   31.974737][ T1115]  <TASK>
[   31.974802][ T1115]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.975001][ T1115]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.975142][ T1115]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   31.975267][ T1115]  __dev_notify_flags (net/core/dev.c:9787)
[   31.975398][ T1115]  ? netif_change_name (net/core/dev.c:1495)
[   31.975525][ T1115]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   31.975650][ T1115]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.975774][ T1115]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.975906][ T1115]  ? 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))
[   31.976033][ T1115]  netif_change_flags (net/core/dev.c:9820)
[   31.976160][ T1115]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   31.976286][ T1115]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   31.976420][ T1115]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.976547][ T1115]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.976706][ T1115]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.976832][ T1115]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.976961][ T1115]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.977085][ T1115]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.977213][ T1115]  ? __kernel_text_address (kernel/extable.c:79)
[   31.977339][ T1115]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.977471][ T1115]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.977594][ T1115]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.977720][ T1115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.977845][ T1115]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.977976][ T1115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.978101][ T1115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.978226][ T1115]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.978356][ T1115]  ? __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)
[   31.978483][ T1115]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.978608][ T1115]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.978736][ T1115]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.978863][ T1115]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.978995][ T1115]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.979124][ T1115]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.979249][ T1115]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.979379][ T1115]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.979505][ T1115]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.979628][ T1115]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.979755][ T1115]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.979878][ T1115]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.980009][ T1115]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.980135][ T1115]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.980261][ T1115]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.980390][ T1115]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.980515][ T1115]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.980640][ T1115]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.980765][ T1115]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.980897][ T1115]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.981024][ T1115]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.981150][ T1115]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.981276][ T1115]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.981408][ T1115]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.981537][ T1115]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.981663][ T1115]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.981790][ T1115]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.981922][ T1115]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.982049][ T1115]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.982176][ T1115]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.982302][ T1115]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.982435][ T1115]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.982562][ T1115]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.982687][ T1115]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.982813][ T1115]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.982976][ T1115]  ? move_addr_to_kernel (net/socket.c:258)
[   31.983104][ T1115]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.983231][ T1115]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.983360][ T1115]  ___sys_sendmsg (net/socket.c:2752)
[   31.983486][ T1115]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.983644][ T1115]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.983782][ T1115]  __sys_sendmsg (net/socket.c:2784)
[   31.983916][ T1115]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.984042][ T1115]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.984201][ T1115]  ? 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)
[   31.984327][ T1115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.984457][ T1115]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.984585][ T1115]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.984712][ T1115]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.984839][ T1115]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.985003][ T1115] RIP: 0033:0x7f9a3688f08e
[   31.985136][ T1115] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.985588][ T1115] RSP: 002b:00007ffe19f6c320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.985778][ T1115] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9a3688f08e
[   31.985974][ T1115] RDX: 0000000000000000 RSI: 00007ffe19f6c3d0 RDI: 0000000000000005
[   31.986162][ T1115] RBP: 00007ffe19f6c330 R08: 0000000000000000 R09: 0000000000000000
[   31.986355][ T1115] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec25
[   31.986544][ T1115] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe19f6caa0
| [   32.040978][ T1117] ------------[ cut here ]------------
| [   32.041119][ T1117] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1117
| [   32.041375][ T1117] Modules linked in: ip6_gre ip_gre gre
| [   32.041760][ T1117] Tainted: [W]=WARN
[   32.041855][ T1117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.042229][ T1117] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.042399][ T1117] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.042841][ T1117] RSP: 0018:ffa00000018cf020 EFLAGS: 00010286
[   32.043004][ T1117] RAX: 00000000ffffffa6 RBX: ff110000097c3c40 RCX: 1ff4000000319dca
[   32.043191][ T1117] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c3cfc
[   32.043382][ T1117] RBP: ff11000005339000 R08: 1fe22000012f87a1 R09: ff1100000fd90b58
[   32.043568][ T1117] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   32.043754][ T1117] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.043948][ T1117] FS:  00007f1b19c99840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   32.044168][ T1117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.044323][ T1117] CR2: 00000000250af988 CR3: 000000000f09f003 CR4: 0000000000771ef0
[   32.044513][ T1117] PKRU: 55555554
[   32.044606][ T1117] Call Trace:
[   32.044699][ T1117]  <TASK>
[   32.044764][ T1117]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.044898][ T1117]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.044994][ T1117]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.045119][ T1117]  __dev_notify_flags (net/core/dev.c:9787)
[   32.045245][ T1117]  ? netif_change_name (net/core/dev.c:1495)
[   32.045376][ T1117]  ? __dev_change_flags (net/core/dev.c:9752)
[   32.045502][ T1117]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.045626][ T1117]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.045752][ T1117]  ? 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))
[   32.045878][ T1117]  netif_change_flags (net/core/dev.c:9820)
[   32.046009][ T1117]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.046135][ T1117]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   32.046262][ T1117]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.046392][ T1117]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.046547][ T1117]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.046672][ T1117]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.046797][ T1117]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.046927][ T1117]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.047053][ T1117]  ? __kernel_text_address (kernel/extable.c:79)
[   32.047179][ T1117]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.047304][ T1117]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.047433][ T1117]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.047559][ T1117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.047686][ T1117]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.047810][ T1117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.047942][ T1117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.048067][ T1117]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.048193][ T1117]  ? __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)
[   32.048320][ T1117]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.048450][ T1117]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.048577][ T1117]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.048705][ T1117]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.048834][ T1117]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.048966][ T1117]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.049090][ T1117]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.049215][ T1117]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.049339][ T1117]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.049467][ T1117]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.049593][ T1117]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.049718][ T1117]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.049842][ T1117]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.049973][ T1117]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.050100][ T1117]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.050226][ T1117]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.050355][ T1117]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.050480][ T1117]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.050604][ T1117]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.050731][ T1117]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.050856][ T1117]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.050988][ T1117]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.051113][ T1117]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.051239][ T1117]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.051371][ T1117]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.051496][ T1117]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.051623][ T1117]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.051749][ T1117]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.051874][ T1117]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.052006][ T1117]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.052131][ T1117]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.052257][ T1117]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.052388][ T1117]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.052515][ T1117]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.052640][ T1117]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.052795][ T1117]  ? move_addr_to_kernel (net/socket.c:258)
[   32.052930][ T1117]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.053056][ T1117]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.053182][ T1117]  ___sys_sendmsg (net/socket.c:2752)
[   32.053307][ T1117]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.053466][ T1117]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.053602][ T1117]  __sys_sendmsg (net/socket.c:2784)
[   32.053728][ T1117]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.053854][ T1117]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.054017][ T1117]  ? 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)
[   32.054143][ T1117]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.054269][ T1117]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.054400][ T1117]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.054524][ T1117]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.054650][ T1117]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.054804][ T1117] RIP: 0033:0x7f1b19ed308e
[   32.054940][ T1117] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.055385][ T1117] RSP: 002b:00007fff013fe080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.055571][ T1117] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1b19ed308e
[   32.055757][ T1117] RDX: 0000000000000000 RSI: 00007fff013fe130 RDI: 0000000000000005
[   32.055950][ T1117] RBP: 00007fff013fe090 R08: 0000000000000000 R09: 0000000000000000
[   32.056137][ T1117] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec25
[   32.056322][ T1117] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff013fe800
| [   32.200864][ T1125] ------------[ cut here ]------------
| [   32.201032][ T1125] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1125
| [   32.201289][ T1125] Modules linked in: ip6_gre ip_gre gre
| [   32.201690][ T1125] Tainted: [W]=WARN
[   32.201786][ T1125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.202599][ T1125] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.202769][ T1125] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.203227][ T1125] RSP: 0018:ffa000000192f060 EFLAGS: 00010286
[   32.203390][ T1125] RAX: 00000000ffffffa6 RBX: ff1100000d15ee40 RCX: 1ff4000000325dd2
[   32.203578][ T1125] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15eefc
[   32.203765][ T1125] RBP: ff11000005339000 R08: 1fe2200001a2bde1 R09: ff11000010490b58
[   32.203957][ T1125] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   32.204146][ T1125] R13: 0000000000000000 R14: 0000000000000000 R15: ffa000000192f0f8
[   32.204336][ T1125] FS:  00007fe7e519a840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   32.204558][ T1125] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.204718][ T1125] CR2: 000000001af76988 CR3: 00000000109f8004 CR4: 0000000000771ef0
[   32.204915][ T1125] PKRU: 55555554
[   32.205009][ T1125] Call Trace:
[   32.205102][ T1125]  <TASK>
[   32.205168][ T1125]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.205297][ T1125]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.205397][ T1125]  netif_close_many (net/core/dev.c:1804)
[   32.205523][ T1125]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.205649][ T1125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.205775][ T1125]  ? __dev_close_many (net/core/dev.c:1781)
[   32.205904][ T1125]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.206061][ T1125]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.206220][ T1125]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.206351][ T1125]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.206510][ T1125]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.206636][ T1125]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.206761][ T1125]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.206936][ T1125]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.207063][ T1125]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.207189][ T1125]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   32.207316][ T1125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.207446][ T1125]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.207572][ T1125]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.207700][ T1125]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.207824][ T1125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.207973][ T1125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.208102][ T1125]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.208228][ T1125]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.208357][ T1125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.208482][ T1125]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.208608][ T1125]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   32.208735][ T1125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.208859][ T1125]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.208993][ T1125]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.209119][ T1125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.209246][ T1125]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.209375][ T1125]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.209501][ T1125]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.209625][ T1125]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.209749][ T1125]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.209878][ T1125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.210008][ T1125]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.210134][ T1125]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.210258][ T1125]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.210386][ T1125]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.210514][ T1125]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.210638][ T1125]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.210765][ T1125]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.210896][ T1125]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.211021][ T1125]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.211147][ T1125]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.211273][ T1125]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.211405][ T1125]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.211535][ T1125]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.211660][ T1125]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.211786][ T1125]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.211947][ T1125]  ? move_addr_to_kernel (net/socket.c:258)
[   32.212073][ T1125]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.212201][ T1125]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.212326][ T1125]  ___sys_sendmsg (net/socket.c:2752)
[   32.212454][ T1125]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.212609][ T1125]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.212746][ T1125]  __sys_sendmsg (net/socket.c:2784)
[   32.212874][ T1125]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.213005][ T1125]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.213164][ T1125]  ? 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)
[   32.213290][ T1125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.213419][ T1125]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.213548][ T1125]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.213676][ T1125]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.213802][ T1125]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.213967][ T1125] RIP: 0033:0x7fe7e53d408e
[   32.214105][ T1125] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.214564][ T1125] RSP: 002b:00007ffefe225680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.214754][ T1125] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe7e53d408e
[   32.214949][ T1125] RDX: 0000000000000000 RSI: 00007ffefe225730 RDI: 0000000000000005
[   32.215135][ T1125] RBP: 00007ffefe225690 R08: 0000000000000000 R09: 0000000000000000
[   32.215321][ T1125] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec25
[   32.215511][ T1125] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffefe225e00
| [   32.219101][ T1125] ------------[ cut here ]------------
| [   32.219231][ T1125] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1125
| [   32.219475][ T1125] Modules linked in: ip6_gre ip_gre gre
| [   32.219846][ T1125] Tainted: [W]=WARN
[   32.219944][ T1125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.220096][ T1125] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.220254][ T1125] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.220688][ T1125] RSP: 0018:ffa000000192f190 EFLAGS: 00010286
[   32.220843][ T1125] RAX: 00000000ffffffa6 RBX: ff1100000c2d2900 RCX: 1ff4000000325df8
[   32.221035][ T1125] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2d29bc
[   32.221223][ T1125] RBP: ff11000005339000 R08: 1fe220000185a539 R09: ff11000010490b58
[   32.221408][ T1125] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   32.221587][ T1125] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.221769][ T1125] FS:  00007fe7e519a840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   32.221990][ T1125] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.222141][ T1125] CR2: 000000001af76988 CR3: 00000000109f8004 CR4: 0000000000771ef0
[   32.222320][ T1125] PKRU: 55555554
[   32.222412][ T1125] Call Trace:
[   32.222502][ T1125]  <TASK>
[   32.222566][ T1125]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.222722][ T1125]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.222874][ T1125]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.223003][ T1125]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.223126][ T1125]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.223277][ T1125]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.223404][ T1125]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   32.223526][ T1125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.223647][ T1125]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.223768][ T1125]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.223894][ T1125]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.224016][ T1125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.224156][ T1125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.224276][ T1125]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.224403][ T1125]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.224524][ T1125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.224649][ T1125]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.224771][ T1125]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   32.224899][ T1125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.225020][ T1125]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.225141][ T1125]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.225264][ T1125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.225388][ T1125]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.225510][ T1125]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.225632][ T1125]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.225755][ T1125]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.225875][ T1125]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.226464][ T1125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.226587][ T1125]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.226710][ T1125]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.226833][ T1125]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.226959][ T1125]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.227084][ T1125]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.227205][ T1125]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.227331][ T1125]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.227455][ T1125]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.227576][ T1125]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.227699][ T1125]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.227821][ T1125]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.227953][ T1125]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.228078][ T1125]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.228201][ T1125]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.228323][ T1125]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.228476][ T1125]  ? move_addr_to_kernel (net/socket.c:258)
[   32.228603][ T1125]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.228727][ T1125]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.228850][ T1125]  ___sys_sendmsg (net/socket.c:2752)
[   32.228979][ T1125]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.229131][ T1125]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.229265][ T1125]  __sys_sendmsg (net/socket.c:2784)
[   32.229391][ T1125]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.229513][ T1125]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.229674][ T1125]  ? 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)
[   32.229799][ T1125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.229932][ T1125]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.230054][ T1125]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.230175][ T1125]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.230297][ T1125]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.230453][ T1125] RIP: 0033:0x7fe7e53d408e
[   32.230582][ T1125] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.231018][ T1125] RSP: 002b:00007ffefe225680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.231200][ T1125] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe7e53d408e
[   32.231387][ T1125] RDX: 0000000000000000 RSI: 00007ffefe225730 RDI: 0000000000000005
[   32.231573][ T1125] RBP: 00007ffefe225690 R08: 0000000000000000 R09: 0000000000000000
[   32.231753][ T1125] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec25
[   32.231940][ T1125] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffefe225e00
| [   32.272843][ T1126] ------------[ cut here ]------------
| [   32.272998][ T1126] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1126
| [   32.273265][ T1126] Modules linked in: ip6_gre ip_gre gre
| [   32.273679][ T1126] Tainted: [W]=WARN
[   32.273779][ T1126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.273952][ T1126] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.274124][ 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
[   32.274597][ T1126] RSP: 0018:ffa000000193f1b0 EFLAGS: 00010286
[   32.274763][ T1126] RAX: 00000000ffffffa6 RBX: ff110000052eb8c0 RCX: 1ff4000000327dfc
[   32.274966][ T1126] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052eb97c
[   32.275163][ T1126] RBP: ff1100000f2d1000 R08: 1fe2200000a5d731 R09: ff11000010492e80
[   32.275365][ T1126] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.275562][ T1126] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300b80
[   32.275760][ T1126] FS:  00007f10178cf840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   32.275997][ T1126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.276163][ T1126] CR2: 00007f1017ba9cb0 CR3: 0000000012c3f001 CR4: 0000000000771ef0
[   32.276363][ T1126] PKRU: 55555554
[   32.276461][ T1126] Call Trace:
[   32.276560][ T1126]  <TASK>
[   32.276630][ T1126]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.276764][ T1126]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.276864][ T1126]  __dev_notify_flags (net/core/dev.c:9787)
[   32.277634][ T1126]  ? netif_change_name (net/core/dev.c:1495)
[   32.277770][ T1126]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.277907][ T1126]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.278046][ T1126]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   32.278179][ T1126]  ? nla_strscpy (lib/nlattr.c:795)
[   32.278314][ T1126]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   32.278452][ T1126]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   32.278583][ T1126]  ? __dev_get_by_name (net/core/dev.c:883)
[   32.278715][ T1126]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   32.278852][ T1126]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   32.278994][ T1126]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.279127][ T1126]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.279261][ T1126]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.279398][ T1126]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.279530][ T1126]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.279661][ T1126]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.279798][ T1126]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.279933][ T1126]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.280065][ T1126]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.280197][ T1126]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.280329][ T1126]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.280463][ T1126]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.280598][ T1126]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.280730][ T1126]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.280864][ T1126]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.281000][ T1126]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.281132][ T1126]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.281268][ 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))
[   32.281403][ 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))
[   32.281536][ T1126]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.281670][ T1126]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.281802][ T1126]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.281939][ T1126]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.282073][ T1126]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.282206][ T1126]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.282341][ T1126]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.282477][ T1126]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.282607][ T1126]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.282768][ T1126]  ? move_addr_to_kernel (net/socket.c:258)
[   32.282914][ T1126]  ___sys_sendmsg (net/socket.c:2752)
[   32.283046][ T1126]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.283178][ T1126]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.283318][ T1126]  ? 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))
[   32.283456][ T1126]  __sys_sendmsg (net/socket.c:2784)
[   32.283586][ T1126]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.283721][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.283853][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.283993][ T1126]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.284125][ T1126]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.284257][ T1126]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.284391][ T1126]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.284555][ T1126] RIP: 0033:0x7f1017b0908e
[   32.284695][ 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
[   32.285162][ T1126] RSP: 002b:00007ffef86945a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.285367][ T1126] RAX: ffffffffffffffda RBX: 00007ffef8694d50 RCX: 00007f1017b0908e
[   32.285561][ T1126] RDX: 0000000000000000 RSI: 00007ffef8694650 RDI: 0000000000000005
[   32.285757][ T1126] RBP: 00007ffef86945b0 R08: 0000000000000000 R09: 0000000000000000
[   32.285960][ T1126] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec25
[   32.286159][ T1126] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef8694d10
| [   32.382696][ T1129] ------------[ cut here ]------------
| [   32.382850][ T1129] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1129
| [   32.383118][ T1129] Modules linked in: ip6_gre ip_gre gre
| [   32.383519][ T1129] Tainted: [W]=WARN
[   32.383619][ T1129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.383779][ T1129] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.383952][ T1129] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.384418][ T1129] RSP: 0018:ffa000000196f020 EFLAGS: 00010286
[   32.384578][ T1129] RAX: 00000000ffffffa6 RBX: ff110000051f6900 RCX: 1ff400000032ddca
[   32.384771][ T1129] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f69bc
[   32.385224][ T1129] RBP: ff1100000f2d1000 R08: 1fe2200000a3ed39 R09: ff1100000a9fae58
[   32.385422][ T1129] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   32.385613][ T1129] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.385809][ T1129] FS:  00007ff2c015a840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   32.386042][ T1129] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.386205][ T1129] CR2: 0000000020c3c988 CR3: 0000000012ce7001 CR4: 0000000000771ef0
[   32.386405][ T1129] PKRU: 55555554
[   32.386503][ T1129] Call Trace:
[   32.386602][ T1129]  <TASK>
[   32.386669][ T1129]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.386803][ T1129]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.386909][ T1129]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.387041][ T1129]  __dev_notify_flags (net/core/dev.c:9787)
[   32.387172][ T1129]  ? netif_change_name (net/core/dev.c:1495)
[   32.387301][ T1129]  ? __dev_change_flags (net/core/dev.c:9752)
[   32.387436][ T1129]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.387565][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.387696][ T1129]  ? 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))
[   32.387827][ T1129]  netif_change_flags (net/core/dev.c:9820)
[   32.387962][ T1129]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.388090][ T1129]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   32.388222][ T1129]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.388359][ T1129]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.388521][ T1129]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.388649][ T1129]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.388778][ T1129]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.388914][ T1129]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.389045][ T1129]  ? __kernel_text_address (kernel/extable.c:79)
[   32.389175][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.389306][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.389439][ T1129]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.389571][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.389700][ T1129]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.389829][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.389963][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.390095][ T1129]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.390225][ T1129]  ? __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)
[   32.390358][ T1129]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.390488][ T1129]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.390618][ T1129]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.390750][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.390890][ T1129]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.391024][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.391151][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.391283][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.391418][ T1129]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.391546][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.391678][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.391804][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.391939][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.392069][ T1129]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.392198][ T1129]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.392330][ T1129]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.392464][ T1129]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.392592][ T1129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.392721][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.392851][ T1129]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.392985][ T1129]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.393116][ T1129]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.393246][ T1129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.393381][ T1129]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.393513][ T1129]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.393641][ T1129]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.393771][ T1129]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.393906][ T1129]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.394036][ T1129]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.394168][ T1129]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.394297][ T1129]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.394434][ T1129]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.394565][ T1129]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.394694][ T1129]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.394827][ T1129]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.394992][ T1129]  ? move_addr_to_kernel (net/socket.c:258)
[   32.395122][ T1129]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.395251][ T1129]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.395385][ T1129]  ___sys_sendmsg (net/socket.c:2752)
[   32.395512][ T1129]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.395673][ T1129]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.395817][ T1129]  __sys_sendmsg (net/socket.c:2784)
[   32.395952][ T1129]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.396081][ T1129]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.396242][ T1129]  ? 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)
[   32.396380][ T1129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.396511][ T1129]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.396640][ T1129]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.396770][ T1129]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.396902][ T1129]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.397062][ T1129] RIP: 0033:0x7ff2c039408e
[   32.397197][ T1129] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.397658][ T1129] RSP: 002b:00007ffcb33dd750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.397853][ T1129] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff2c039408e
[   32.398052][ T1129] RDX: 0000000000000000 RSI: 00007ffcb33dd800 RDI: 0000000000000005
[   32.398243][ T1129] RBP: 00007ffcb33dd760 R08: 0000000000000000 R09: 0000000000000000
[   32.398441][ T1129] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec25
[   32.398634][ T1129] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb33dded0
| [   32.495357][ T1137] ------------[ cut here ]------------
| [   32.495545][ T1137] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1137
| [   32.495848][ T1137] Modules linked in: ip6_gre ip_gre gre
| [   32.496831][ T1137] Tainted: [W]=WARN
[   32.496990][ T1137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.497199][ T1137] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.497424][ T1137] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.497932][ T1137] RSP: 0018:ffa00000019bf020 EFLAGS: 00010286
[   32.498141][ T1137] RAX: 00000000ffffffa6 RBX: ff1100000c30b8c0 RCX: 1ff4000000337dca
[   32.498382][ T1137] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30b97c
[   32.498619][ T1137] RBP: ff1100000f2d1000 R08: 1fe2200001861731 R09: ff1100000e4e8b58
[   32.498853][ T1137] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   32.499097][ T1137] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.499335][ T1137] FS:  00007fb695dd5840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   32.499610][ T1137] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.499817][ T1137] CR2: 000000003fd6b988 CR3: 0000000012cef003 CR4: 0000000000771ef0
[   32.500067][ T1137] PKRU: 55555554
[   32.500209][ T1137] Call Trace:
[   32.500357][ T1137]  <TASK>
[   32.500471][ T1137]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.500655][ T1137]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.500799][ T1137]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.500985][ T1137]  __dev_notify_flags (net/core/dev.c:9787)
[   32.501163][ T1137]  ? netif_change_name (net/core/dev.c:1495)
[   32.501338][ T1137]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   32.501522][ T1137]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.501696][ T1137]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.501871][ T1137]  ? 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))
[   32.502060][ T1137]  netif_change_flags (net/core/dev.c:9820)
[   32.502237][ T1137]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.502420][ T1137]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   32.502599][ T1137]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.502774][ T1137]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.503012][ T1137]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.503186][ T1137]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.503367][ T1137]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.503541][ T1137]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.503716][ T1137]  ? __kernel_text_address (kernel/extable.c:79)
[   32.503904][ T1137]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.504080][ T1137]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.504255][ T1137]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.504442][ T1137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.504619][ T1137]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.504793][ T1137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.504980][ T1137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.505165][ T1137]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.505343][ T1137]  ? __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)
[   32.505526][ T1137]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.505701][ T1137]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.505877][ T1137]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.506068][ T1137]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.506245][ T1137]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.506425][ T1137]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.506600][ T1137]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.506774][ T1137]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.506960][ T1137]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.507134][ T1137]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.507312][ T1137]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.507486][ T1137]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.507658][ T1137]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.507833][ T1137]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.508022][ T1137]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.508196][ T1137]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.508375][ T1137]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.508549][ T1137]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.508724][ T1137]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.508911][ T1137]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.509085][ T1137]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.509263][ T1137]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.509445][ T1137]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.509618][ T1137]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.509796][ T1137]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.509981][ T1137]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.510160][ T1137]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.510335][ T1137]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.510517][ T1137]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.510694][ T1137]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.510871][ T1137]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.511060][ T1137]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.511239][ T1137]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.511425][ T1137]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.511600][ T1137]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.511804][ T1137]  ? move_addr_to_kernel (net/socket.c:258)
[   32.511997][ T1137]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.512172][ T1137]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.512356][ T1137]  ___sys_sendmsg (net/socket.c:2752)
[   32.512530][ T1137]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.512736][ T1137]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.512934][ T1137]  __sys_sendmsg (net/socket.c:2784)
[   32.513113][ T1137]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.513286][ T1137]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.513503][ T1137]  ? 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)
[   32.513680][ T1137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.513859][ T1137]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.514048][ T1137]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.514224][ T1137]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.514407][ T1137]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.514613][ T1137] RIP: 0033:0x7fb69600f08e
[   32.514792][ T1137] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.515306][ T1137] RSP: 002b:00007fff7ae71470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.515552][ T1137] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb69600f08e
[   32.515789][ T1137] RDX: 0000000000000000 RSI: 00007fff7ae71520 RDI: 0000000000000005
[   32.516040][ T1137] RBP: 00007fff7ae71480 R08: 0000000000000000 R09: 0000000000000000
[   32.516277][ T1137] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec25
[   32.516523][ T1137] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7ae71bf0
| [   32.583870][ T1139] ------------[ cut here ]------------
| [   32.584229][ T1139] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1139
| [   32.584530][ T1139] Modules linked in: ip6_gre ip_gre gre
| [   32.585027][ T1139] Tainted: [W]=WARN
[   32.585169][ T1139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.585384][ T1139] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.585593][ T1139] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.586094][ T1139] RSP: 0018:ffa00000019df020 EFLAGS: 00010286
[   32.586299][ T1139] RAX: 00000000ffffffa6 RBX: ff1100000f23f1c0 RCX: 1ff400000033bdca
[   32.586543][ T1139] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23f27c
[   32.586777][ T1139] RBP: ff1100000f2d1000 R08: 1fe2200001e47e51 R09: ff1100000f75ae58
[   32.587022][ T1139] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   32.587255][ T1139] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.587501][ T1139] FS:  00007f2e81349840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   32.587767][ T1139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.587984][ T1139] CR2: 0000000030ce9988 CR3: 00000000050df005 CR4: 0000000000771ef0
[   32.588220][ T1139] PKRU: 55555554
[   32.588365][ T1139] Call Trace:
[   32.588508][ T1139]  <TASK>
[   32.588620][ T1139]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.588796][ T1139]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.588952][ T1139]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.589124][ T1139]  __dev_notify_flags (net/core/dev.c:9787)
[   32.589301][ T1139]  ? netif_change_name (net/core/dev.c:1495)
[   32.589482][ T1139]  ? __dev_change_flags (net/core/dev.c:9752)
[   32.589657][ T1139]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.589832][ T1139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.590019][ T1139]  ? 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))
[   32.590194][ T1139]  netif_change_flags (net/core/dev.c:9820)
[   32.590375][ T1139]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.590549][ T1139]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   32.590725][ T1139]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.590914][ T1139]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.591118][ T1139]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.591290][ T1139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.591470][ T1139]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.591645][ T1139]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.591819][ T1139]  ? __kernel_text_address (kernel/extable.c:79)
[   32.592006][ T1139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.592184][ T1139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.592361][ T1139]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.592537][ T1139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.592712][ T1139]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.592897][ T1139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.593069][ T1139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.593243][ T1139]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.593423][ T1139]  ? __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)
[   32.593600][ T1139]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.593773][ T1139]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.593960][ T1139]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.594135][ T1139]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.594312][ T1139]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.594490][ T1139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.594660][ T1139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.594833][ T1139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.595019][ T1139]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.595192][ T1139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.595372][ T1139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.595543][ T1139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.595716][ T1139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.595900][ T1139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.596073][ T1139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.596249][ T1139]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.596423][ T1139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.596595][ T1139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.596767][ T1139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.596953][ T1139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.597125][ T1139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.597299][ T1139]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.597478][ T1139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.597653][ T1139]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.597828][ T1139]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.598012][ T1139]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.598187][ T1139]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.598367][ T1139]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.598540][ T1139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.598712][ T1139]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.598901][ T1139]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.599074][ T1139]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.599248][ T1139]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.599423][ T1139]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.599595][ T1139]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.599796][ T1139]  ? move_addr_to_kernel (net/socket.c:258)
[   32.599982][ T1139]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.600157][ T1139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.600332][ T1139]  ___sys_sendmsg (net/socket.c:2752)
[   32.600511][ T1139]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.600715][ T1139]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.600911][ T1139]  __sys_sendmsg (net/socket.c:2784)
[   32.601084][ T1139]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.601254][ T1139]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.601467][ T1139]  ? 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)
[   32.601642][ T1139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.601815][ T1139]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.601998][ T1139]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.602170][ T1139]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.602343][ T1139]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.602551][ T1139] RIP: 0033:0x7f2e8158308e
[   32.602729][ T1139] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.603234][ T1139] RSP: 002b:00007ffe9d55aab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.603477][ T1139] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2e8158308e
[   32.603710][ T1139] RDX: 0000000000000000 RSI: 00007ffe9d55ab60 RDI: 0000000000000005
[   32.603959][ T1139] RBP: 00007ffe9d55aac0 R08: 0000000000000000 R09: 0000000000000000
[   32.604192][ T1139] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec25
[   32.604433][ T1139] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9d55b230
| [   32.746584][ T1148] ------------[ cut here ]------------
| [   32.746745][ T1148] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1148
| [   32.747011][ T1148] Modules linked in: ip6_gre ip_gre gre
| [   32.747412][ T1148] Tainted: [W]=WARN
[   32.747508][ T1148] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.747665][ T1148] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.747829][ T1148] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.748280][ T1148] RSP: 0018:ffa0000001a1f060 EFLAGS: 00010286
[   32.748443][ T1148] RAX: 00000000ffffffa6 RBX: ff1100000cdac900 RCX: 1ff4000000343dd2
[   32.748629][ T1148] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdac9bc
[   32.748813][ T1148] RBP: ff1100000f2d1000 R08: 1fe22000019b5939 R09: ff1100000fc5d158
[   32.749007][ T1148] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   32.749192][ T1148] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001a1f0f8
[   32.749388][ T1148] FS:  00007f15b5e5e840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   32.749610][ T1148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.749769][ T1148] CR2: 000000002d691988 CR3: 0000000010a41004 CR4: 0000000000771ef0
[   32.749962][ T1148] PKRU: 55555554
[   32.750057][ T1148] Call Trace:
[   32.750150][ T1148]  <TASK>
[   32.750215][ T1148]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.750343][ T1148]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.750442][ T1148]  netif_close_many (net/core/dev.c:1804)
[   32.750568][ T1148]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.750694][ T1148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.750820][ T1148]  ? __dev_close_many (net/core/dev.c:1781)
[   32.750950][ T1148]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.751106][ T1148]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.751262][ T1148]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.751390][ T1148]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.751546][ T1148]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.751672][ T1148]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.751797][ T1148]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.752213][ T1148]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.752338][ T1148]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.752474][ T1148]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   32.752600][ T1148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.752724][ T1148]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.752848][ T1148]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.752979][ T1148]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.753106][ T1148]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.753248][ T1148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.753376][ T1148]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.753503][ T1148]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.753627][ T1148]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.753752][ T1148]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.753877][ T1148]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   32.754010][ T1148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.754134][ T1148]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.754258][ T1148]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.754388][ T1148]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.754515][ T1148]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.754640][ T1148]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.754764][ T1148]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.754896][ T1148]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.755022][ T1148]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.755148][ T1148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.755273][ T1148]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.755403][ T1148]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.755530][ T1148]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.755656][ T1148]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.755785][ T1148]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.755917][ T1148]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.756044][ T1148]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.756170][ T1148]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.756296][ T1148]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.756424][ T1148]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.756551][ T1148]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.756677][ T1148]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.756805][ T1148]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.756936][ T1148]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.757062][ T1148]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.757218][ T1148]  ? move_addr_to_kernel (net/socket.c:258)
[   32.757344][ T1148]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.757482][ T1148]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.757608][ T1148]  ___sys_sendmsg (net/socket.c:2752)
[   32.757733][ T1148]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.757896][ T1148]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.758032][ T1148]  __sys_sendmsg (net/socket.c:2784)
[   32.758158][ T1148]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.758283][ T1148]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.758447][ T1148]  ? 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)
[   32.758572][ T1148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.758699][ T1148]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.758824][ T1148]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.758956][ T1148]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.759082][ T1148]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.759239][ T1148] RIP: 0033:0x7f15b609808e
[   32.759376][ T1148] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.759821][ T1148] RSP: 002b:00007fff23424190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.760021][ T1148] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f15b609808e
[   32.760209][ T1148] RDX: 0000000000000000 RSI: 00007fff23424240 RDI: 0000000000000005
[   32.760401][ T1148] RBP: 00007fff234241a0 R08: 0000000000000000 R09: 0000000000000000
[   32.760588][ T1148] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec26
[   32.760774][ T1148] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff23424910
| [   32.771612][ T1148] ------------[ cut here ]------------
| [   32.771745][ T1148] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1148
| [   32.771993][ T1148] Modules linked in: ip6_gre ip_gre gre
| [   32.772373][ T1148] Tainted: [W]=WARN
[   32.772465][ T1148] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.772617][ T1148] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.772783][ T1148] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.773226][ T1148] RSP: 0018:ffa0000001a1f190 EFLAGS: 00010286
[   32.773384][ T1148] RAX: 00000000ffffffa6 RBX: ff1100000d368040 RCX: 1ff4000000343df8
[   32.773565][ T1148] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3680fc
[   32.773745][ T1148] RBP: ff1100000f2d1000 R08: 1fe2200001a6d021 R09: ff1100000fc5d158
[   32.773931][ T1148] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   32.774118][ T1148] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.774299][ T1148] FS:  00007f15b5e5e840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   32.774518][ T1148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.774668][ T1148] CR2: 000000002d691988 CR3: 0000000010a41004 CR4: 0000000000771ef0
[   32.774850][ T1148] PKRU: 55555554
[   32.774947][ T1148] Call Trace:
[   32.775038][ T1148]  <TASK>
[   32.775101][ T1148]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.775258][ T1148]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.775412][ T1148]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.775534][ T1148]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.775655][ T1148]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.775806][ T1148]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.775932][ T1148]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   32.776054][ T1148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.776175][ T1148]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.776296][ T1148]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.776420][ T1148]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.776541][ T1148]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.776683][ T1148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.776803][ T1148]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.776996][ T1148]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.777118][ T1148]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.777239][ T1148]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.777364][ T1148]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   32.777488][ T1148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.777609][ T1148]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.777729][ T1148]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.777851][ T1148]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.778025][ T1148]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.778149][ T1148]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.778272][ T1148]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.778399][ T1148]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.778519][ T1148]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.778642][ T1148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.778762][ T1148]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.778928][ T1148]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.779050][ T1148]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.779172][ T1148]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.779296][ T1148]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.779420][ T1148]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.779543][ T1148]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.779667][ T1148]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.779789][ T1148]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.779918][ T1148]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.780042][ T1148]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.780164][ T1148]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.780288][ T1148]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.780414][ T1148]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.780535][ T1148]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.780683][ T1148]  ? move_addr_to_kernel (net/socket.c:258)
[   32.780806][ T1148]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.780936][ T1148]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.781059][ T1148]  ___sys_sendmsg (net/socket.c:2752)
[   32.781179][ T1148]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.781330][ T1148]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.781469][ T1148]  __sys_sendmsg (net/socket.c:2784)
[   32.781592][ T1148]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.781712][ T1148]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.781865][ T1148]  ? 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)
[   32.781996][ T1148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.782120][ T1148]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.782243][ T1148]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.782370][ T1148]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.782492][ T1148]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.782642][ T1148] RIP: 0033:0x7f15b609808e
[   32.782769][ T1148] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.783204][ T1148] RSP: 002b:00007fff23424190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.783388][ T1148] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f15b609808e
[   32.783569][ T1148] RDX: 0000000000000000 RSI: 00007fff23424240 RDI: 0000000000000005
[   32.783750][ T1148] RBP: 00007fff234241a0 R08: 0000000000000000 R09: 0000000000000000
[   32.783936][ T1148] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec26
[   32.784118][ T1148] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff23424910
| [   32.833322][ T1149] ------------[ cut here ]------------
| [   32.833516][ T1149] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1149
| [   32.833825][ T1149] Modules linked in: ip6_gre ip_gre gre
| [   32.834338][ T1149] Tainted: [W]=WARN
[   32.834493][ T1149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.834704][ T1149] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.834935][ T1149] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.835455][ T1149] RSP: 0018:ffa0000001a2f1b0 EFLAGS: 00010286
[   32.835668][ T1149] RAX: 00000000ffffffa6 RBX: ff1100000d273e00 RCX: 1ff4000000345dfc
[   32.835921][ T1149] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d273ebc
[   32.836164][ T1149] RBP: ff1100001071c000 R08: 1fe2200001a4e7d9 R09: ff110000100a8b80
[   32.836416][ T1149] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.836658][ T1149] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300b80
[   32.836911][ T1149] FS:  00007f3f2f402840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   32.837186][ T1149] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.837406][ T1149] CR2: 00007f3f2f6dccb0 CR3: 00000000101b7006 CR4: 0000000000771ef0
[   32.837650][ T1149] PKRU: 55555554
[   32.837796][ T1149] Call Trace:
[   32.837953][ T1149]  <TASK>
[   32.838069][ T1149]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.838250][ T1149]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.838407][ T1149]  __dev_notify_flags (net/core/dev.c:9787)
[   32.838592][ T1149]  ? netif_change_name (net/core/dev.c:1495)
[   32.838770][ T1149]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.838978][ T1149]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   32.839159][ T1149]  ? nla_strscpy (lib/nlattr.c:795)
[   32.839341][ T1149]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   32.839532][ T1149]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   32.839712][ T1149]  ? __dev_get_by_name (net/core/dev.c:883)
[   32.839903][ T1149]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   32.840095][ T1149]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   32.840278][ T1149]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.840465][ T1149]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.840645][ T1149]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.840823][ T1149]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.841014][ T1149]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.841194][ T1149]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.841386][ T1149]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.841567][ T1149]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.841746][ T1149]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.841937][ T1149]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.842124][ T1149]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.842302][ T1149]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.842494][ T1149]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.842672][ T1149]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.842853][ T1149]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.843041][ T1149]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.843222][ T1149]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.843412][ T1149]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.843590][ T1149]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.843772][ T1149]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.843966][ T1149]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.844146][ T1149]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.844326][ T1149]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.844514][ T1149]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.844694][ T1149]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.844879][ T1149]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.845071][ T1149]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.845249][ T1149]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.845468][ T1149]  ? move_addr_to_kernel (net/socket.c:258)
[   32.845652][ T1149]  ___sys_sendmsg (net/socket.c:2752)
[   32.845831][ T1149]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.846023][ T1149]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.846211][ T1149]  ? 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))
[   32.846397][ T1149]  __sys_sendmsg (net/socket.c:2784)
[   32.846580][ T1149]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.846765][ T1149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.846961][ T1149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.847142][ T1149]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.847320][ T1149]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.847511][ T1149]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.847690][ T1149]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.847915][ T1149] RIP: 0033:0x7f3f2f63c08e
[   32.848099][ T1149] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.848620][ T1149] RSP: 002b:00007ffdb8f06320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.848863][ T1149] RAX: ffffffffffffffda RBX: 00007ffdb8f06ad0 RCX: 00007f3f2f63c08e
[   32.849120][ T1149] RDX: 0000000000000000 RSI: 00007ffdb8f063d0 RDI: 0000000000000005
[   32.849372][ T1149] RBP: 00007ffdb8f06330 R08: 0000000000000000 R09: 0000000000000000
[   32.849616][ T1149] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec26
[   32.849857][ T1149] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb8f06a90
| [   32.953398][ T1152] ------------[ cut here ]------------
| [   32.953550][ T1152] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1152
| [   32.953808][ T1152] Modules linked in: ip6_gre ip_gre gre
| [   32.954214][ T1152] Tainted: [W]=WARN
[   32.954311][ T1152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.954479][ T1152] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.954647][ T1152] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.955113][ T1152] RSP: 0018:ffa0000001a5f020 EFLAGS: 00010286
[   32.955278][ T1152] RAX: 00000000ffffffa6 RBX: ff11000006241380 RCX: 1ff400000034bdca
[   32.955476][ T1152] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000624143c
[   32.955666][ T1152] RBP: ff1100001071c000 R08: 1fe2200000c48289 R09: ff1100001005ae58
[   32.955856][ T1152] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   32.956692][ T1152] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.956911][ T1152] FS:  00007f4e3d7dc840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   32.957136][ T1152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.957302][ T1152] CR2: 000000000f3c3988 CR3: 0000000009647004 CR4: 0000000000771ef0
[   32.957503][ T1152] PKRU: 55555554
[   32.957599][ T1152] Call Trace:
[   32.957694][ T1152]  <TASK>
[   32.957761][ T1152]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.957898][ T1152]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.957997][ T1152]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.958125][ T1152]  __dev_notify_flags (net/core/dev.c:9787)
[   32.958258][ T1152]  ? netif_change_name (net/core/dev.c:1495)
[   32.958392][ T1152]  ? __dev_change_flags (net/core/dev.c:9752)
[   32.958522][ T1152]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.958653][ T1152]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.958783][ T1152]  ? 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))
[   32.958919][ T1152]  netif_change_flags (net/core/dev.c:9820)
[   32.959049][ T1152]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.959182][ T1152]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   32.959314][ T1152]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.959450][ T1152]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.959613][ T1152]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.959741][ T1152]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.959868][ T1152]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.960004][ T1152]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.960135][ T1152]  ? __kernel_text_address (kernel/extable.c:79)
[   32.960266][ T1152]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.960403][ T1152]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.960533][ T1152]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.960662][ T1152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.960793][ T1152]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.960927][ T1152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.961056][ T1152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.961186][ T1152]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.961316][ T1152]  ? __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)
[   32.961450][ T1152]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.961578][ T1152]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.961709][ T1152]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.961839][ T1152]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.961975][ T1152]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.962108][ T1152]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.962236][ T1152]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.962369][ T1152]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.962497][ T1152]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.962624][ T1152]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.962753][ T1152]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.962880][ T1152]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.963014][ T1152]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.963143][ T1152]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.963273][ T1152]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.963407][ T1152]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.963535][ T1152]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.963664][ T1152]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.963792][ T1152]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.963929][ T1152]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.964056][ T1152]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.964184][ T1152]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.964313][ T1152]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.964449][ T1152]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.964580][ T1152]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.964709][ T1152]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.964839][ T1152]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.964974][ T1152]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.965104][ T1152]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.965234][ T1152]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.965368][ T1152]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.965498][ T1152]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.965630][ T1152]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.965757][ T1152]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.965890][ T1152]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.966050][ T1152]  ? move_addr_to_kernel (net/socket.c:258)
[   32.966180][ T1152]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.966308][ T1152]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.966445][ T1152]  ___sys_sendmsg (net/socket.c:2752)
[   32.966572][ T1152]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.966731][ T1152]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.966870][ T1152]  __sys_sendmsg (net/socket.c:2784)
[   32.967004][ T1152]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.967130][ T1152]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.967291][ T1152]  ? 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)
[   32.967423][ T1152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.967552][ T1152]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.967683][ T1152]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.967812][ T1152]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.967947][ T1152]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.968107][ T1152] RIP: 0033:0x7f4e3da1608e
[   32.968241][ T1152] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.968705][ T1152] RSP: 002b:00007ffe337708e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.968902][ T1152] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4e3da1608e
[   32.969094][ T1152] RDX: 0000000000000000 RSI: 00007ffe33770990 RDI: 0000000000000005
[   32.969285][ T1152] RBP: 00007ffe337708f0 R08: 0000000000000000 R09: 0000000000000000
[   32.969482][ T1152] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec26
[   32.969673][ T1152] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe33771060
| [   33.074804][ T1160] ------------[ cut here ]------------
| [   33.074966][ T1160] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1160
| [   33.075224][ T1160] Modules linked in: ip6_gre ip_gre gre
| [   33.075616][ T1160] Tainted: [W]=WARN
[   33.075713][ T1160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.075872][ T1160] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.076042][ T1160] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.076497][ T1160] RSP: 0018:ffa0000001abf020 EFLAGS: 00010286
[   33.076656][ T1160] RAX: 00000000ffffffa6 RBX: ff1100000c2d3c40 RCX: 1ff4000000357dca
[   33.076849][ T1160] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2d3cfc
[   33.077044][ T1160] RBP: ff1100001071c000 R08: 1fe220000185a7a1 R09: ff1100000f122e58
[   33.077233][ T1160] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   33.077426][ T1160] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   33.077617][ T1160] FS:  00007f5e6916c840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   33.077838][ T1160] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.078006][ T1160] CR2: 0000000003b5e988 CR3: 000000000f752005 CR4: 0000000000771ef0
[   33.078196][ T1160] PKRU: 55555554
[   33.078291][ T1160] Call Trace:
[   33.078392][ T1160]  <TASK>
[   33.078458][ T1160]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.078588][ T1160]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.078685][ T1160]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   33.078810][ T1160]  __dev_notify_flags (net/core/dev.c:9787)
[   33.078944][ T1160]  ? netif_change_name (net/core/dev.c:1495)
[   33.079071][ T1160]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   33.079201][ T1160]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   33.079327][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.079461][ T1160]  ? 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))
[   33.079589][ T1160]  netif_change_flags (net/core/dev.c:9820)
[   33.079717][ T1160]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   33.079845][ T1160]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   33.079981][ T1160]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   33.080111][ T1160]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   33.080270][ T1160]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.080404][ T1160]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.080530][ T1160]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.080656][ T1160]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.080783][ T1160]  ? __kernel_text_address (kernel/extable.c:79)
[   33.080919][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.081049][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.081176][ T1160]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.081305][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.081441][ T1160]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.081569][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.081696][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.081822][ T1160]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   33.081956][ T1160]  ? __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)
[   33.082086][ T1160]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   33.082214][ T1160]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.082342][ T1160]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   33.082477][ T1160]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   33.082608][ T1160]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   33.082739][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.082866][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.082998][ T1160]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.083125][ T1160]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.083252][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.083384][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.083511][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.083639][ T1160]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.083765][ T1160]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.083895][ T1160]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.084022][ T1160]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.084149][ T1160]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.084276][ T1160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.084407][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.084539][ T1160]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.084666][ T1160]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.084795][ T1160]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.085473][ T1160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.085602][ T1160]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.085732][ T1160]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.085862][ T1160]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.085996][ T1160]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.086125][ T1160]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.086253][ T1160]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.086385][ T1160]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.086514][ T1160]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.086642][ T1160]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.086772][ T1160]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.086905][ T1160]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.087034][ T1160]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.087191][ T1160]  ? move_addr_to_kernel (net/socket.c:258)
[   33.087320][ T1160]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.087455][ T1160]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.087583][ T1160]  ___sys_sendmsg (net/socket.c:2752)
[   33.087709][ T1160]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.087868][ T1160]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.088011][ T1160]  __sys_sendmsg (net/socket.c:2784)
[   33.088139][ T1160]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.088266][ T1160]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.088428][ T1160]  ? 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)
[   33.088556][ T1160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.088682][ T1160]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.088810][ T1160]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.088941][ T1160]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.089068][ T1160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.089226][ T1160] RIP: 0033:0x7f5e693a608e
[   33.089361][ T1160] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.089813][ T1160] RSP: 002b:00007ffcd33bd910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.090009][ T1160] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5e693a608e
[   33.090200][ T1160] RDX: 0000000000000000 RSI: 00007ffcd33bd9c0 RDI: 0000000000000005
[   33.090395][ T1160] RBP: 00007ffcd33bd920 R08: 0000000000000000 R09: 0000000000000000
[   33.090583][ T1160] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec26
[   33.090772][ T1160] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd33be090
| [   33.159720][ T1162] ------------[ cut here ]------------
| [   33.159865][ T1162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1162
| [   33.160124][ T1162] Modules linked in: ip6_gre ip_gre gre
| [   33.160513][ T1162] Tainted: [W]=WARN
[   33.160608][ T1162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.160766][ T1162] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.160933][ 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
[   33.161383][ T1162] RSP: 0018:ffa000000197f020 EFLAGS: 00010286
[   33.161542][ T1162] RAX: 00000000ffffffa6 RBX: ff1100000f23e740 RCX: 1ff400000032fdca
[   33.161728][ T1162] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f23e7fc
[   33.161919][ T1162] RBP: ff1100001071c000 R08: 1fe2200001e47d01 R09: ff1100000f6d8b58
[   33.162106][ T1162] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   33.162293][ T1162] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   33.162484][ T1162] FS:  00007ff1d827a840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   33.162704][ T1162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.162863][ T1162] CR2: 000000000460a988 CR3: 000000001032f001 CR4: 0000000000771ef0
[   33.163055][ T1162] PKRU: 55555554
[   33.163152][ T1162] Call Trace:
[   33.163246][ T1162]  <TASK>
[   33.163312][ T1162]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.163444][ T1162]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.163540][ T1162]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   33.163666][ T1162]  __dev_notify_flags (net/core/dev.c:9787)
[   33.163793][ T1162]  ? netif_change_name (net/core/dev.c:1495)
[   33.163924][ T1162]  ? __dev_change_flags (net/core/dev.c:9752)
[   33.164051][ T1162]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   33.164176][ T1162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.164304][ 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))
[   33.164437][ T1162]  netif_change_flags (net/core/dev.c:9820)
[   33.164563][ T1162]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   33.164689][ T1162]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   33.164817][ T1162]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   33.164949][ T1162]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   33.165107][ T1162]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.165235][ T1162]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.165362][ T1162]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.165487][ T1162]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.165612][ T1162]  ? __kernel_text_address (kernel/extable.c:79)
[   33.165738][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.165867][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.166516][ T1162]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.166644][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.166768][ T1162]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.166897][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.167023][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.167148][ T1162]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   33.167275][ 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)
[   33.167407][ T1162]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   33.167533][ T1162]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.167660][ T1162]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   33.167787][ T1162]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   33.167921][ T1162]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   33.168048][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.168172][ T1162]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.168296][ T1162]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.168422][ T1162]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.168548][ T1162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.168676][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.168801][ T1162]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.168929][ T1162]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.169055][ T1162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.169183][ T1162]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.169311][ T1162]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.169440][ T1162]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.169566][ T1162]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.169692][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.169819][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.169950][ T1162]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.170077][ T1162]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.170203][ T1162]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.170330][ T1162]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.170464][ 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))
[   33.170589][ 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))
[   33.170716][ T1162]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.170843][ T1162]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.170976][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.171102][ T1162]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.171229][ T1162]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.171360][ T1162]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.171490][ T1162]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.171617][ T1162]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.171742][ T1162]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.171900][ T1162]  ? move_addr_to_kernel (net/socket.c:258)
[   33.172027][ T1162]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.172154][ T1162]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.172282][ T1162]  ___sys_sendmsg (net/socket.c:2752)
[   33.172414][ T1162]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.172571][ T1162]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.172709][ T1162]  __sys_sendmsg (net/socket.c:2784)
[   33.172840][ T1162]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.172972][ T1162]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.173131][ 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)
[   33.173258][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.173387][ T1162]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.173512][ T1162]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.173638][ T1162]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.173765][ T1162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.173926][ T1162] RIP: 0033:0x7ff1d84b408e
[   33.174058][ 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
[   33.174511][ T1162] RSP: 002b:00007ffc46d424d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.174705][ T1162] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff1d84b408e
[   33.174898][ T1162] RDX: 0000000000000000 RSI: 00007ffc46d42580 RDI: 0000000000000005
[   33.175095][ T1162] RBP: 00007ffc46d424e0 R08: 0000000000000000 R09: 0000000000000000
[   33.175283][ T1162] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec26
[   33.175478][ T1162] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc46d42c50
| [   33.305137][ T1171] ------------[ cut here ]------------
| [   33.305329][ T1171] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1171
| [   33.305633][ T1171] Modules linked in: ip6_gre ip_gre gre
| [   33.306667][ T1171] Tainted: [W]=WARN
[   33.306805][ T1171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.307019][ T1171] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.307227][ T1171] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.307731][ T1171] RSP: 0018:ffa0000001b2f060 EFLAGS: 00010286
[   33.307947][ T1171] RAX: 00000000ffffffa6 RBX: ff1100000d3698c0 RCX: 1ff4000000365dd2
[   33.308178][ T1171] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d36997c
[   33.308416][ T1171] RBP: ff1100001071c000 R08: 1fe2200001a6d331 R09: ff1100000fdad158
[   33.308644][ T1171] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   33.308873][ T1171] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001b2f0f8
[   33.309119][ T1171] FS:  00007f5fce5c1840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   33.309391][ T1171] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.309593][ T1171] CR2: 00007f5fce8911a0 CR3: 0000000010aab006 CR4: 0000000000771ef0
[   33.309827][ T1171] PKRU: 55555554
[   33.309982][ T1171] Call Trace:
[   33.310122][ T1171]  <TASK>
[   33.310232][ T1171]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.310413][ T1171]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.310556][ T1171]  netif_close_many (net/core/dev.c:1804)
[   33.310729][ T1171]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.310912][ T1171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.311085][ T1171]  ? __dev_close_many (net/core/dev.c:1781)
[   33.311257][ T1171]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   33.311468][ T1171]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   33.311669][ T1171]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.311839][ T1171]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.312051][ T1171]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.312223][ T1171]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.312399][ T1171]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.312600][ T1171]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   33.312771][ T1171]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.312954][ T1171]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   33.313126][ T1171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.313294][ T1171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.313474][ T1171]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.313645][ T1171]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.313814][ T1171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.314012][ T1171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.314181][ T1171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.314360][ T1171]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.314530][ T1171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.314701][ T1171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.314871][ T1171]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   33.315055][ T1171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.315225][ T1171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.315405][ T1171]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.315574][ T1171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.315748][ T1171]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.315932][ T1171]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.316103][ T1171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.316273][ T1171]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.316459][ T1171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.316631][ T1171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.316801][ T1171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.316985][ T1171]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.317157][ T1171]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.317330][ T1171]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.317512][ T1171]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.317686][ T1171]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.317859][ T1171]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.318044][ T1171]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.318215][ T1171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.318395][ T1171]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.318568][ T1171]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.318742][ T1171]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.318931][ T1171]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.319107][ T1171]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.319276][ T1171]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.319484][ T1171]  ? move_addr_to_kernel (net/socket.c:258)
[   33.319658][ T1171]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.319831][ T1171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.320014][ T1171]  ___sys_sendmsg (net/socket.c:2752)
[   33.320184][ T1171]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.320393][ T1171]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.320576][ T1171]  __sys_sendmsg (net/socket.c:2784)
[   33.320747][ T1171]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.320927][ T1171]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.321129][ T1171]  ? 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)
[   33.321301][ T1171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.321481][ T1171]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.321652][ T1171]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.321821][ T1171]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.322005][ T1171]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.322206][ T1171] RIP: 0033:0x7f5fce7fb08e
[   33.322389][ T1171] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.322877][ T1171] RSP: 002b:00007fff3ed10cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.323123][ T1171] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5fce7fb08e
[   33.323361][ T1171] RDX: 0000000000000000 RSI: 00007fff3ed10d70 RDI: 0000000000000005
[   33.323595][ T1171] RBP: 00007fff3ed10cd0 R08: 0000000000000000 R09: 0000000000000000
[   33.323826][ T1171] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec26
[   33.324068][ T1171] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3ed11440
| [   33.328300][ T1171] ------------[ cut here ]------------
| [   33.328481][ T1171] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1171
| [   33.328774][ T1171] Modules linked in: ip6_gre ip_gre gre
| [   33.329260][ T1171] Tainted: [W]=WARN
[   33.329407][ T1171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.329612][ T1171] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.329818][ T1171] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.330307][ T1171] RSP: 0018:ffa0000001b2f190 EFLAGS: 00010286
[   33.330516][ T1171] RAX: 00000000ffffffa6 RBX: ff1100000576dc40 RCX: 1ff4000000365df8
[   33.330741][ T1171] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000576dcfc
[   33.330979][ T1171] RBP: ff1100001071c000 R08: 1fe2200000aedba1 R09: ff1100000fdad158
[   33.331204][ T1171] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.331438][ T1171] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.331668][ T1171] FS:  00007f5fce5c1840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   33.331936][ T1171] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.332156][ T1171] CR2: 00007f5fce8911a0 CR3: 0000000010aab006 CR4: 0000000000771ef0
[   33.332391][ T1171] PKRU: 55555554
[   33.332527][ T1171] Call Trace:
[   33.332666][ T1171]  <TASK>
[   33.332775][ T1171]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.332990][ T1171]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.333185][ T1171]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.333362][ T1171]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.333529][ T1171]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.333728][ T1171]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.333910][ T1171]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   33.334081][ T1171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.334248][ T1171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.334425][ T1171]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.334594][ T1171]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.334761][ T1171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.334959][ T1171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.335126][ T1171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.335297][ T1171]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.335471][ T1171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.335638][ T1171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.335806][ T1171]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   33.335989][ T1171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.336156][ T1171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.336324][ T1171]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.336501][ T1171]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.336674][ T1171]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.336843][ T1171]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.337024][ T1171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.337192][ T1171]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.337367][ T1171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.337537][ T1171]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.337703][ T1171]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.337877][ T1171]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.338055][ T1171]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.338225][ T1171]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.338404][ T1171]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.338571][ T1171]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.338741][ T1171]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.338924][ T1171]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.339093][ T1171]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.339266][ T1171]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.339448][ T1171]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.339619][ T1171]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.339790][ T1171]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.339972][ T1171]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.340139][ T1171]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.340335][ T1171]  ? move_addr_to_kernel (net/socket.c:258)
[   33.340518][ T1171]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.340686][ T1171]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.340855][ T1171]  ___sys_sendmsg (net/socket.c:2752)
[   33.341033][ T1171]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.341231][ T1171]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.341419][ T1171]  __sys_sendmsg (net/socket.c:2784)
[   33.341588][ T1171]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.341757][ T1171]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.341967][ T1171]  ? 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)
[   33.342135][ T1171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.342305][ T1171]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.342480][ T1171]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.342648][ T1171]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.342817][ T1171]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.343022][ T1171] RIP: 0033:0x7f5fce7fb08e
[   33.343199][ T1171] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.343681][ T1171] RSP: 002b:00007fff3ed10cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.343921][ T1171] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5fce7fb08e
[   33.344150][ T1171] RDX: 0000000000000000 RSI: 00007fff3ed10d70 RDI: 0000000000000005
[   33.344384][ T1171] RBP: 00007fff3ed10cd0 R08: 0000000000000000 R09: 0000000000000000
[   33.344611][ T1171] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec26
[   33.344837][ T1171] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3ed11440
| [   33.394019][ T1172] ------------[ cut here ]------------
| [   33.394173][ T1172] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1172
| [   33.394442][ T1172] Modules linked in: ip6_gre ip_gre gre
| [   33.394856][ T1172] Tainted: [W]=WARN
[   33.394962][ T1172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.395130][ T1172] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.395302][ T1172] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.395781][ T1172] RSP: 0018:ffa0000001b3f1b0 EFLAGS: 00010286
[   33.395953][ T1172] RAX: 00000000ffffffa6 RBX: ff110000097c3000 RCX: 1ff4000000367dfc
[   33.396150][ T1172] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c30bc
[   33.396352][ T1172] RBP: ff11000005fec000 R08: 1fe22000012f8619 R09: ff1100000fda8b80
[   33.396552][ T1172] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   33.396750][ T1172] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300b80
[   33.396954][ T1172] FS:  00007f1dd98b8840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   33.397187][ T1172] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.397359][ T1172] CR2: 00007f1dd9b92cb0 CR3: 0000000010367002 CR4: 0000000000771ef0
[   33.397562][ T1172] PKRU: 55555554
[   33.397662][ T1172] Call Trace:
[   33.397761][ T1172]  <TASK>
[   33.397829][ T1172]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.397967][ T1172]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.398070][ T1172]  __dev_notify_flags (net/core/dev.c:9787)
[   33.398203][ T1172]  ? netif_change_name (net/core/dev.c:1495)
[   33.398336][ T1172]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.398479][ T1172]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   33.398611][ T1172]  ? nla_strscpy (lib/nlattr.c:795)
[   33.398746][ T1172]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   33.398881][ T1172]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   33.399020][ T1172]  ? __dev_get_by_name (net/core/dev.c:883)
[   33.399152][ T1172]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   33.399289][ T1172]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   33.399431][ T1172]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   33.399564][ T1172]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.399695][ T1172]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.399827][ T1172]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.399963][ T1172]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.400095][ T1172]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.400231][ T1172]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.400370][ T1172]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.400505][ T1172]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.400638][ T1172]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.400771][ T1172]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.400908][ T1172]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.401043][ T1172]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.401176][ T1172]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.401309][ T1172]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.401447][ T1172]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.401582][ T1172]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.401719][ T1172]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.401851][ T1172]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.401992][ T1172]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.402126][ T1172]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.402259][ T1172]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.402397][ T1172]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.402532][ T1172]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.402666][ T1172]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.402800][ T1172]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.402935][ T1172]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.403067][ T1172]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.403230][ T1172]  ? move_addr_to_kernel (net/socket.c:258)
[   33.403369][ T1172]  ___sys_sendmsg (net/socket.c:2752)
[   33.403502][ T1172]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.403634][ T1172]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.403776][ T1172]  ? 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))
[   33.403916][ T1172]  __sys_sendmsg (net/socket.c:2784)
[   33.404049][ T1172]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.404184][ T1172]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.404317][ T1172]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.404457][ T1172]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.404592][ T1172]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.404725][ T1172]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.404858][ T1172]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.405026][ T1172] RIP: 0033:0x7f1dd9af208e
[   33.405165][ T1172] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.405643][ T1172] RSP: 002b:00007ffcc9849b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.405841][ T1172] RAX: ffffffffffffffda RBX: 00007ffcc984a2f0 RCX: 00007f1dd9af208e
[   33.406045][ T1172] RDX: 0000000000000000 RSI: 00007ffcc9849bf0 RDI: 0000000000000005
[   33.406242][ T1172] RBP: 00007ffcc9849b50 R08: 0000000000000000 R09: 0000000000000000
[   33.406447][ T1172] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec26
[   33.406645][ T1172] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc984a2b0
| [   33.503481][ T1175] ------------[ cut here ]------------
| [   33.503637][ T1175] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1175
| [   33.503900][ T1175] Modules linked in: ip6_gre ip_gre gre
| [   33.504297][ T1175] Tainted: [W]=WARN
[   33.504399][ T1175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.504566][ T1175] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.504731][ T1175] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.505191][ T1175] RSP: 0018:ffa0000001b6f020 EFLAGS: 00010286
[   33.505359][ T1175] RAX: 00000000ffffffa6 RBX: ff1100000be383c0 RCX: 1ff400000036ddca
[   33.505554][ T1175] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3847c
[   33.505744][ T1175] RBP: ff11000005fec000 R08: 1fe22000017c7091 R09: ff1100000f16ae58
[   33.505940][ T1175] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   33.506129][ T1175] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   33.506322][ T1175] FS:  00007fc6a6dea840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   33.506549][ T1175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.506707][ T1175] CR2: 000000003fdec988 CR3: 00000000109f9001 CR4: 0000000000771ef0
[   33.506904][ T1175] PKRU: 55555554
[   33.506999][ T1175] Call Trace:
[   33.507094][ T1175]  <TASK>
[   33.507163][ T1175]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.507294][ T1175]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.507397][ T1175]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   33.507525][ T1175]  __dev_notify_flags (net/core/dev.c:9787)
[   33.507656][ T1175]  ? netif_change_name (net/core/dev.c:1495)
[   33.507785][ T1175]  ? __dev_change_flags (net/core/dev.c:9752)
[   33.508509][ T1175]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   33.508639][ T1175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.508768][ T1175]  ? 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))
[   33.508902][ T1175]  netif_change_flags (net/core/dev.c:9820)
[   33.509033][ T1175]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   33.509162][ T1175]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   33.509292][ T1175]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   33.509424][ T1175]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   33.509585][ T1175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.509714][ T1175]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.509841][ T1175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.509974][ T1175]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.510104][ T1175]  ? __kernel_text_address (kernel/extable.c:79)
[   33.510233][ T1175]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.510366][ T1175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.510496][ T1175]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.510625][ T1175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.510753][ T1175]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.510880][ T1175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.511013][ T1175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.511142][ T1175]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   33.511271][ T1175]  ? __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)
[   33.511408][ T1175]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   33.511537][ T1175]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.511666][ T1175]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   33.511799][ T1175]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   33.511933][ T1175]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   33.512062][ T1175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.512190][ T1175]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.512318][ T1175]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.512449][ T1175]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.512576][ T1175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.512706][ T1175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.512834][ T1175]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.512965][ T1175]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.513095][ T1175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.513225][ T1175]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.513360][ T1175]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.513490][ T1175]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.513618][ T1175]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.513746][ T1175]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.513877][ T1175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.514010][ T1175]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.514140][ T1175]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.514268][ T1175]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.514402][ T1175]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.514535][ T1175]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.514662][ T1175]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.514792][ T1175]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.514928][ T1175]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.515058][ T1175]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.515188][ T1175]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.515317][ T1175]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.515455][ T1175]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.515585][ T1175]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.515714][ T1175]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.515842][ T1175]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.516007][ T1175]  ? move_addr_to_kernel (net/socket.c:258)
[   33.516137][ T1175]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.516266][ T1175]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.516402][ T1175]  ___sys_sendmsg (net/socket.c:2752)
[   33.516530][ T1175]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.516689][ T1175]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.516829][ T1175]  __sys_sendmsg (net/socket.c:2784)
[   33.516960][ T1175]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.517089][ T1175]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.517251][ T1175]  ? 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)
[   33.517386][ T1175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.517515][ T1175]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.517643][ T1175]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.517772][ T1175]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.517904][ T1175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.518066][ T1175] RIP: 0033:0x7fc6a702408e
[   33.518200][ T1175] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.518664][ T1175] RSP: 002b:00007ffe1dc9e9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.518858][ T1175] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc6a702408e
[   33.519054][ T1175] RDX: 0000000000000000 RSI: 00007ffe1dc9ea90 RDI: 0000000000000005
[   33.519247][ T1175] RBP: 00007ffe1dc9e9f0 R08: 0000000000000000 R09: 0000000000000000
[   33.519443][ T1175] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec26
[   33.519635][ T1175] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1dc9f160
| [   33.641821][ T1183] ------------[ cut here ]------------
| [   33.641983][ T1183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1183
| [   33.642244][ T1183] Modules linked in: ip6_gre ip_gre gre
| [   33.642697][ T1183] Tainted: [W]=WARN
[   33.642795][ T1183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.642962][ T1183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.643128][ T1183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.643590][ T1183] RSP: 0018:ffa0000001bdf020 EFLAGS: 00010286
[   33.643752][ T1183] RAX: 00000000ffffffa6 RBX: ff1100000282a3c0 RCX: 1ff400000037bdca
[   33.643949][ T1183] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282a47c
[   33.644140][ T1183] RBP: ff11000005fec000 R08: 1fe2200000505491 R09: ff1100000e400b58
[   33.644331][ T1183] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   33.644531][ T1183] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   33.644726][ T1183] FS:  00007fd42c7c3840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   33.644958][ T1183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.645121][ T1183] CR2: 0000000005ed9988 CR3: 00000000102f5001 CR4: 0000000000771ef0
[   33.645315][ T1183] PKRU: 55555554
[   33.645417][ T1183] Call Trace:
[   33.645514][ T1183]  <TASK>
[   33.645581][ T1183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.645714][ T1183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.645812][ T1183]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   33.645947][ T1183]  __dev_notify_flags (net/core/dev.c:9787)
[   33.646078][ T1183]  ? netif_change_name (net/core/dev.c:1495)
[   33.646207][ T1183]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   33.646337][ T1183]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   33.646470][ T1183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.646598][ T1183]  ? 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))
[   33.646729][ T1183]  netif_change_flags (net/core/dev.c:9820)
[   33.646857][ T1183]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   33.646992][ T1183]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   33.647124][ T1183]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   33.647254][ T1183]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   33.647419][ T1183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.647547][ T1183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.647675][ T1183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.647804][ T1183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.647941][ T1183]  ? __kernel_text_address (kernel/extable.c:79)
[   33.648071][ T1183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.648202][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.648332][ T1183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.648465][ T1183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.648594][ T1183]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.648721][ T1183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.648848][ T1183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.649039][ T1183]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   33.649224][ T1183]  ? __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)
[   33.649358][ T1183]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   33.649487][ T1183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.649618][ T1183]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   33.649750][ T1183]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   33.649881][ T1183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   33.650065][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.650194][ T1183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.650323][ T1183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.650455][ T1183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.650584][ T1183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.650715][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.650843][ T1183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.651026][ T1183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.651155][ T1183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.651285][ T1183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.651420][ T1183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.651550][ T1183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.651678][ T1183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.651805][ T1183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.651992][ T1183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.652124][ T1183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.652254][ T1183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.652387][ T1183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.652515][ T1183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.652647][ T1183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.652775][ T1183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.652960][ T1183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.653090][ T1183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.653221][ T1183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.653355][ T1183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.653485][ T1183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.653615][ T1183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.653746][ T1183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.653876][ T1183]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.654061][ T1183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.654221][ T1183]  ? move_addr_to_kernel (net/socket.c:258)
[   33.654355][ T1183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.654485][ T1183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.654615][ T1183]  ___sys_sendmsg (net/socket.c:2752)
[   33.654743][ T1183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.654957][ T1183]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.655098][ T1183]  __sys_sendmsg (net/socket.c:2784)
[   33.655228][ T1183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.655358][ T1183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.655521][ T1183]  ? 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)
[   33.655652][ T1183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.655781][ T1183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.655965][ T1183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.656094][ T1183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.656224][ T1183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.656389][ T1183] RIP: 0033:0x7fd42c9fd08e
[   33.656523][ T1183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.657038][ T1183] RSP: 002b:00007ffcec01e010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.657233][ T1183] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd42c9fd08e
[   33.657429][ T1183] RDX: 0000000000000000 RSI: 00007ffcec01e0c0 RDI: 0000000000000005
[   33.657620][ T1183] RBP: 00007ffcec01e020 R08: 0000000000000000 R09: 0000000000000000
[   33.657813][ T1183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec26
[   33.658060][ T1183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcec01e790
| [   33.711593][ T1185] ------------[ cut here ]------------
| [   33.711740][ T1185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1185
| [   33.712005][ T1185] Modules linked in: ip6_gre ip_gre gre
| [   33.712410][ T1185] Tainted: [W]=WARN
[   33.712507][ T1185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.712667][ T1185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.712834][ T1185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.713296][ T1185] RSP: 0018:ffa0000001bff020 EFLAGS: 00010286
[   33.713464][ T1185] RAX: 00000000ffffffa6 RBX: ff1100000e175e00 RCX: 1ff400000037fdca
[   33.713656][ T1185] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e175ebc
[   33.713848][ T1185] RBP: ff11000005fec000 R08: 1fe2200001c2ebd9 R09: ff11000012cd0b58
[   33.714046][ T1185] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   33.714240][ T1185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   33.714440][ T1185] FS:  00007f4793b9d840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   33.714665][ T1185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.714826][ T1185] CR2: 000000003b26d988 CR3: 000000000f4ab003 CR4: 0000000000771ef0
[   33.715027][ T1185] PKRU: 55555554
[   33.715123][ T1185] Call Trace:
[   33.715219][ T1185]  <TASK>
[   33.715286][ T1185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.715421][ T1185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.715520][ T1185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   33.715649][ T1185]  __dev_notify_flags (net/core/dev.c:9787)
[   33.715780][ T1185]  ? netif_change_name (net/core/dev.c:1495)
[   33.716580][ T1185]  ? __dev_change_flags (net/core/dev.c:9752)
[   33.716711][ T1185]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   33.716839][ T1185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.717026][ T1185]  ? 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))
[   33.717157][ T1185]  netif_change_flags (net/core/dev.c:9820)
[   33.717286][ T1185]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   33.717421][ T1185]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   33.717554][ T1185]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   33.717683][ T1185]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   33.717844][ T1185]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.718055][ T1185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.718183][ T1185]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.718310][ T1185]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.718447][ T1185]  ? __kernel_text_address (kernel/extable.c:79)
[   33.718576][ T1185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.718707][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.718834][ T1185]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.718986][ T1185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.719114][ T1185]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.719241][ T1185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.719373][ T1185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.719504][ T1185]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   33.719634][ T1185]  ? __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)
[   33.719764][ T1185]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   33.719898][ T1185]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.720029][ T1185]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   33.720159][ T1185]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   33.720291][ T1185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   33.720426][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.720554][ T1185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.720682][ T1185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.720810][ T1185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.720943][ T1185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.721074][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.721201][ T1185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.721330][ T1185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.721471][ T1185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.721600][ T1185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.721729][ T1185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.721857][ T1185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.721991][ T1185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.722119][ T1185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.722249][ T1185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.722380][ T1185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.722512][ T1185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.722642][ T1185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.722773][ T1185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.722912][ T1185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.723040][ T1185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.723170][ T1185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.723301][ T1185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.723439][ T1185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.723569][ T1185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.723699][ T1185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.723830][ T1185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.723965][ T1185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.724095][ T1185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.724224][ T1185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.724389][ T1185]  ? move_addr_to_kernel (net/socket.c:258)
[   33.724521][ T1185]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.724650][ T1185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.724780][ T1185]  ___sys_sendmsg (net/socket.c:2752)
[   33.724916][ T1185]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.725077][ T1185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.725219][ T1185]  __sys_sendmsg (net/socket.c:2784)
[   33.725353][ T1185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.725484][ T1185]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.725647][ T1185]  ? 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)
[   33.725776][ T1185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.725912][ T1185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.726042][ T1185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.726170][ T1185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.726299][ T1185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.726464][ T1185] RIP: 0033:0x7f4793dd708e
[   33.726600][ T1185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.727063][ T1185] RSP: 002b:00007fff1d67f1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.727256][ T1185] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4793dd708e
[   33.727451][ T1185] RDX: 0000000000000000 RSI: 00007fff1d67f270 RDI: 0000000000000005
[   33.727643][ T1185] RBP: 00007fff1d67f1d0 R08: 0000000000000000 R09: 0000000000000000
[   33.727835][ T1185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec26
[   33.728032][ T1185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1d67f940
| [   33.878111][ T1194] ------------[ cut here ]------------
| [   33.878274][ T1194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1194
| [   33.878542][ T1194] Modules linked in: ip6_gre ip_gre gre
| [   33.878948][ T1194] Tainted: [W]=WARN
[   33.879045][ T1194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.879204][ T1194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.879373][ 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
[   33.879823][ T1194] RSP: 0018:ffa0000001c8f060 EFLAGS: 00010286
[   33.879996][ T1194] RAX: 00000000ffffffa6 RBX: ff1100000c991e00 RCX: 1ff4000000391dd2
[   33.880189][ T1194] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c991ebc
[   33.880383][ T1194] RBP: ff11000005fec000 R08: 1fe22000019323d9 R09: ff11000012be5158
[   33.880572][ T1194] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   33.880758][ T1194] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001c8f0f8
[   33.880955][ T1194] FS:  00007fd7f127f840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   33.881175][ T1194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.881332][ T1194] CR2: 0000000001681988 CR3: 00000000107ff003 CR4: 0000000000771ef0
[   33.881529][ T1194] PKRU: 55555554
[   33.881624][ T1194] Call Trace:
[   33.881719][ T1194]  <TASK>
[   33.881786][ T1194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.881922][ T1194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.882020][ T1194]  netif_close_many (net/core/dev.c:1804)
[   33.882148][ T1194]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.882277][ T1194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.882410][ T1194]  ? __dev_close_many (net/core/dev.c:1781)
[   33.882538][ T1194]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   33.882696][ T1194]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   33.882856][ T1194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.882990][ T1194]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.883149][ T1194]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.883275][ T1194]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.883405][ T1194]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.883565][ T1194]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   33.883691][ T1194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.883818][ T1194]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   33.883950][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.884077][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.884204][ T1194]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.884332][ T1194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.884467][ T1194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.884614][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.884745][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.884876][ T1194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.885016][ T1194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.885145][ T1194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.885275][ T1194]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   33.885410][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.885539][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.885669][ T1194]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.885795][ T1194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.885980][ T1194]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.886107][ T1194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.886234][ T1194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.886364][ T1194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.886490][ T1194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.886619][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.886744][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.886871][ T1194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.887085][ T1194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.887212][ T1194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.887342][ 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))
[   33.887474][ 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))
[   33.887600][ T1194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.887727][ T1194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.887856][ T1194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.888045][ T1194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.888174][ T1194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.888302][ T1194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.888435][ T1194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.888562][ T1194]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.888687][ T1194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.888844][ T1194]  ? move_addr_to_kernel (net/socket.c:258)
[   33.889027][ T1194]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.889154][ T1194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.889282][ T1194]  ___sys_sendmsg (net/socket.c:2752)
[   33.889413][ T1194]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.889569][ T1194]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.889706][ T1194]  __sys_sendmsg (net/socket.c:2784)
[   33.889837][ T1194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.890051][ T1194]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.890218][ 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)
[   33.890344][ T1194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.890477][ T1194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.890602][ T1194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.890728][ T1194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.890853][ T1194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.891081][ T1194] RIP: 0033:0x7fd7f14b908e
[   33.891214][ 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
[   33.891666][ T1194] RSP: 002b:00007ffe73cf4820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.891856][ T1194] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd7f14b908e
[   33.892122][ T1194] RDX: 0000000000000000 RSI: 00007ffe73cf48d0 RDI: 0000000000000005
[   33.892310][ T1194] RBP: 00007ffe73cf4830 R08: 0000000000000000 R09: 0000000000000000
[   33.892504][ T1194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec27
[   33.892693][ T1194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe73cf4fa0
| [   33.896203][ T1194] ------------[ cut here ]------------
| [   33.896333][ T1194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1194
| [   33.896580][ T1194] Modules linked in: ip6_gre ip_gre gre
| [   33.896960][ T1194] Tainted: [W]=WARN
[   33.897055][ T1194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.897212][ T1194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.897376][ 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
[   33.897808][ T1194] RSP: 0018:ffa0000001c8f190 EFLAGS: 00010286
[   33.897966][ T1194] RAX: 00000000ffffffa6 RBX: ff1100000c990040 RCX: 1ff4000000391df8
[   33.898147][ T1194] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9900fc
[   33.898327][ T1194] RBP: ff11000005fec000 R08: 1fe2200001932021 R09: ff11000012be5158
[   33.898513][ T1194] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   33.898693][ T1194] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.898876][ T1194] FS:  00007fd7f127f840(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   33.899094][ T1194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.899246][ T1194] CR2: 0000000001681988 CR3: 00000000107ff003 CR4: 0000000000771ef0
[   33.899436][ T1194] PKRU: 55555554
[   33.899532][ T1194] Call Trace:
[   33.899624][ T1194]  <TASK>
[   33.899689][ T1194]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.899844][ T1194]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.900002][ T1194]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.900125][ T1194]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.900247][ T1194]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.900408][ T1194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.900532][ T1194]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   33.900655][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.900777][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.900900][ T1194]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.901025][ T1194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.901147][ T1194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.901287][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.901411][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.901535][ T1194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.901655][ T1194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.901776][ T1194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.901901][ T1194]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   33.902032][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.902154][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.902277][ T1194]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.902404][ T1194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.902529][ T1194]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.902651][ T1194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.902773][ T1194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.902897][ T1194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.903021][ T1194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.903147][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.903270][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.903397][ T1194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.903521][ T1194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.903643][ T1194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.903770][ 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))
[   33.903896][ 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))
[   33.904022][ T1194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.904146][ T1194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.904269][ T1194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.904396][ T1194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.904521][ T1194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.904642][ T1194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.904767][ T1194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.904893][ T1194]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.905015][ T1194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.905167][ T1194]  ? move_addr_to_kernel (net/socket.c:258)
[   33.905292][ T1194]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.905422][ T1194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.905546][ T1194]  ___sys_sendmsg (net/socket.c:2752)
[   33.905668][ T1194]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.905820][ T1194]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.905961][ T1194]  __sys_sendmsg (net/socket.c:2784)
[   33.906084][ T1194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.906206][ T1194]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.906363][ 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)
[   33.906485][ T1194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.906608][ T1194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.906729][ T1194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.906854][ T1194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.906983][ T1194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.907135][ T1194] RIP: 0033:0x7fd7f14b908e
[   33.907263][ 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
[   33.907784][ T1194] RSP: 002b:00007ffe73cf4820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.907973][ T1194] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd7f14b908e
[   33.908235][ T1194] RDX: 0000000000000000 RSI: 00007ffe73cf48d0 RDI: 0000000000000005
[   33.908421][ T1194] RBP: 00007ffe73cf4830 R08: 0000000000000000 R09: 0000000000000000
[   33.908690][ T1194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec27
[   33.908872][ T1194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe73cf4fa0
| [   33.953231][ T1195] ------------[ cut here ]------------
| [   33.953391][ T1195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1195
| [   33.953652][ T1195] Modules linked in: ip6_gre ip_gre gre
| [   33.954064][ T1195] Tainted: [W]=WARN
[   33.954164][ T1195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.954332][ T1195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.954508][ T1195] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.954983][ T1195] RSP: 0018:ffa0000001c9f1b0 EFLAGS: 00010286
[   33.955150][ T1195] RAX: 00000000ffffffa6 RBX: ff1100000c30b000 RCX: 1ff4000000393dfc
[   33.955346][ T1195] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30b0bc
[   33.955546][ T1195] RBP: ff1100000feac000 R08: 1fe2200001861619 R09: ff11000012c70b80
[   33.955742][ T1195] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   33.955944][ T1195] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300b80
[   33.956142][ T1195] FS:  00007f779f061840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   33.956376][ T1195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.956541][ T1195] CR2: 00007f779f33bcb0 CR3: 000000000fde6002 CR4: 0000000000771ef0
[   33.956737][ T1195] PKRU: 55555554
[   33.956837][ T1195] Call Trace:
[   33.956941][ T1195]  <TASK>
[   33.957010][ T1195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.957145][ T1195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.957245][ T1195]  __dev_notify_flags (net/core/dev.c:9787)
[   33.957385][ T1195]  ? netif_change_name (net/core/dev.c:1495)
[   33.957517][ T1195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.957649][ T1195]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   33.957783][ T1195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   33.957921][ T1195]  ? nla_strscpy (lib/nlattr.c:795)
[   33.958053][ T1195]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   33.958186][ T1195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   33.958317][ T1195]  ? __dev_get_by_name (net/core/dev.c:883)
[   33.958453][ T1195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   33.958589][ T1195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   33.958725][ T1195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   33.958857][ T1195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.958994][ T1195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.959126][ T1195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.959255][ T1195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.959390][ T1195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.959526][ T1195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.959658][ T1195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.959789][ T1195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.959927][ T1195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.960058][ T1195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.960189][ T1195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.960322][ T1195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.960454][ T1195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.960586][ T1195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.960716][ T1195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.960847][ T1195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.960989][ T1195]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.961119][ T1195]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.961253][ T1195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.961390][ T1195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.961520][ T1195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.961653][ T1195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.961786][ T1195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.961927][ T1195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.962061][ T1195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.962192][ T1195]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.962326][ T1195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.962491][ T1195]  ? move_addr_to_kernel (net/socket.c:258)
[   33.962627][ T1195]  ___sys_sendmsg (net/socket.c:2752)
[   33.962758][ T1195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.962897][ T1195]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.963038][ T1195]  ? 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))
[   33.963171][ T1195]  __sys_sendmsg (net/socket.c:2784)
[   33.963302][ T1195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.963442][ T1195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.963572][ T1195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.963705][ T1195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.963838][ T1195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.963977][ T1195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.964109][ T1195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.964271][ T1195] RIP: 0033:0x7f779f29b08e
[   33.964412][ T1195] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.964878][ T1195] RSP: 002b:00007ffcc6bcc6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.965082][ T1195] RAX: ffffffffffffffda RBX: 00007ffcc6bcce90 RCX: 00007f779f29b08e
[   33.965277][ T1195] RDX: 0000000000000000 RSI: 00007ffcc6bcc790 RDI: 0000000000000005
[   33.965478][ T1195] RBP: 00007ffcc6bcc6f0 R08: 0000000000000000 R09: 0000000000000000
[   33.965673][ T1195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec27
[   33.965870][ T1195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc6bcce50
| [   34.025479][ T1197] ------------[ cut here ]------------
| [   34.025623][ T1197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1197
| [   34.025878][ T1197] Modules linked in: ip6_gre ip_gre gre
| [   34.026712][ T1197] Tainted: [W]=WARN
[   34.026809][ T1197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.026975][ T1197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.027144][ T1197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.027605][ T1197] RSP: 0018:ffa0000001ccf020 EFLAGS: 00010286
[   34.027770][ T1197] RAX: 00000000ffffffa6 RBX: ff1100000e22a200 RCX: 1ff4000000399dca
[   34.027968][ T1197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22a2bc
[   34.028160][ T1197] RBP: ff1100000feac000 R08: 1fe2200001c45459 R09: ff11000012c75158
[   34.028355][ T1197] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   34.028547][ T1197] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.028740][ T1197] FS:  00007fe93a3cb840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   34.028973][ T1197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.029133][ T1197] CR2: 0000000037846988 CR3: 000000000e767001 CR4: 0000000000771ef0
[   34.029326][ T1197] PKRU: 55555554
[   34.029426][ T1197] Call Trace:
[   34.029522][ T1197]  <TASK>
[   34.029589][ T1197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.029721][ T1197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.029820][ T1197]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.029954][ T1197]  __dev_notify_flags (net/core/dev.c:9787)
[   34.030085][ T1197]  ? netif_change_name (net/core/dev.c:1495)
[   34.030213][ T1197]  ? __dev_change_flags (net/core/dev.c:9752)
[   34.030343][ T1197]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.030478][ T1197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.030609][ T1197]  ? 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))
[   34.030739][ T1197]  netif_change_flags (net/core/dev.c:9820)
[   34.030869][ T1197]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.031004][ T1197]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.031135][ T1197]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.031265][ T1197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.031431][ T1197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.031559][ T1197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.031687][ T1197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.031816][ T1197]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.031950][ T1197]  ? __kernel_text_address (kernel/extable.c:79)
[   34.032081][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.032211][ T1197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.032341][ T1197]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.032477][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.032604][ T1197]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.032732][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.032861][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.032993][ T1197]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.033123][ T1197]  ? __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)
[   34.033253][ T1197]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.033391][ T1197]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.033520][ T1197]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.033654][ T1197]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.033786][ T1197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.033922][ T1197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.034051][ T1197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.034178][ T1197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.034307][ T1197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.034439][ T1197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.034571][ T1197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.034699][ T1197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.034827][ T1197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.034961][ T1197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.035093][ T1197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.035222][ T1197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.035356][ T1197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.035483][ T1197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.035610][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.035740][ T1197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.035868][ T1197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.036001][ T1197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.036131][ T1197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.036259][ T1197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.036395][ T1197]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.036523][ T1197]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.036652][ T1197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.036781][ T1197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.036916][ T1197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.037046][ T1197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.037175][ T1197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.037305][ T1197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.037439][ T1197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.037569][ T1197]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.037698][ T1197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.037857][ T1197]  ? move_addr_to_kernel (net/socket.c:258)
[   34.037992][ T1197]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.038121][ T1197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.038254][ T1197]  ___sys_sendmsg (net/socket.c:2752)
[   34.038388][ T1197]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.038548][ T1197]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.038689][ T1197]  __sys_sendmsg (net/socket.c:2784)
[   34.038820][ T1197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.038954][ T1197]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.039116][ T1197]  ? 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)
[   34.039247][ T1197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.039382][ T1197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.039511][ T1197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.039639][ T1197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.039767][ T1197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.039930][ T1197] RIP: 0033:0x7fe93a60508e
[   34.040065][ T1197] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.040522][ T1197] RSP: 002b:00007ffccf7ba010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.040715][ T1197] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe93a60508e
[   34.040914][ T1197] RDX: 0000000000000000 RSI: 00007ffccf7ba0c0 RDI: 0000000000000005
[   34.041107][ T1197] RBP: 00007ffccf7ba020 R08: 0000000000000000 R09: 0000000000000000
[   34.041298][ T1197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec27
[   34.041493][ T1197] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccf7ba790
| [   34.146369][ T1205] ------------[ cut here ]------------
| [   34.146517][ T1205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1205
| [   34.146780][ T1205] Modules linked in: ip6_gre ip_gre gre
| [   34.147183][ T1205] Tainted: [W]=WARN
[   34.147281][ T1205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.147448][ T1205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.147614][ T1205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.148075][ T1205] RSP: 0018:ffa0000001a7f020 EFLAGS: 00010286
[   34.148237][ T1205] RAX: 00000000ffffffa6 RBX: ff1100000ab58900 RCX: 1ff400000034fdca
[   34.148433][ T1205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab589bc
[   34.148625][ T1205] RBP: ff1100000feac000 R08: 1fe220000156b139 R09: ff11000009670b58
[   34.148815][ T1205] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   34.149015][ T1205] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.149210][ T1205] FS:  00007f577634f840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   34.149441][ T1205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.149603][ T1205] CR2: 000000003b723988 CR3: 0000000010324002 CR4: 0000000000771ef0
[   34.149797][ T1205] PKRU: 55555554
[   34.150128][ T1205] Call Trace:
[   34.150226][ T1205]  <TASK>
[   34.150293][ T1205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.150429][ T1205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.150527][ T1205]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.150656][ T1205]  __dev_notify_flags (net/core/dev.c:9787)
[   34.150787][ T1205]  ? netif_change_name (net/core/dev.c:1495)
[   34.150938][ T1205]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   34.151067][ T1205]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.151200][ T1205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.151329][ T1205]  ? 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))
[   34.151462][ T1205]  netif_change_flags (net/core/dev.c:9820)
[   34.151592][ T1205]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.151723][ T1205]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.151856][ T1205]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.151992][ T1205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.152154][ T1205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.152282][ T1205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.152416][ T1205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.152544][ T1205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.152675][ T1205]  ? __kernel_text_address (kernel/extable.c:79)
[   34.152803][ T1205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.152937][ T1205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.153066][ T1205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.153195][ T1205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.153324][ T1205]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.153457][ T1205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.153584][ T1205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.153711][ T1205]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.153840][ T1205]  ? __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)
[   34.153975][ T1205]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.154104][ T1205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.154234][ T1205]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.154366][ T1205]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.154498][ T1205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.154628][ T1205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.154755][ T1205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.154889][ T1205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.155018][ T1205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.155147][ T1205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.155277][ T1205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.155409][ T1205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.155537][ T1205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.155666][ T1205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.155794][ T1205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.155929][ T1205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.156057][ T1205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.156184][ T1205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.156310][ T1205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.156443][ T1205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.156571][ T1205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.156699][ T1205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.156829][ T1205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.156963][ T1205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.157096][ T1205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.157224][ T1205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.157359][ T1205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.157488][ T1205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.157616][ T1205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.157745][ T1205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.157875][ T1205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.158011][ T1205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.158142][ T1205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.158271][ T1205]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.158405][ T1205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.158566][ T1205]  ? move_addr_to_kernel (net/socket.c:258)
[   34.158697][ T1205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.158826][ T1205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.158961][ T1205]  ___sys_sendmsg (net/socket.c:2752)
[   34.159089][ T1205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.159249][ T1205]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.159394][ T1205]  __sys_sendmsg (net/socket.c:2784)
[   34.159524][ T1205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.159651][ T1205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.159813][ T1205]  ? 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)
[   34.159947][ T1205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.160078][ T1205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.160205][ T1205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.160334][ T1205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.160469][ T1205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.160628][ T1205] RIP: 0033:0x7f577658908e
[   34.160763][ T1205] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.161224][ T1205] RSP: 002b:00007ffec9490fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.161420][ T1205] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f577658908e
[   34.161611][ T1205] RDX: 0000000000000000 RSI: 00007ffec9491070 RDI: 0000000000000005
[   34.161801][ T1205] RBP: 00007ffec9490fd0 R08: 0000000000000000 R09: 0000000000000000
[   34.161995][ T1205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec27
[   34.162186][ T1205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec9491740
| [   34.229117][ T1207] ------------[ cut here ]------------
| [   34.229272][ T1207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1207
| [   34.229536][ T1207] Modules linked in: ip6_gre ip_gre gre
| [   34.229945][ T1207] Tainted: [W]=WARN
[   34.230042][ T1207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.230203][ T1207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.230376][ T1207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.230832][ T1207] RSP: 0018:ffa0000001d2f020 EFLAGS: 00010286
[   34.231578][ T1207] RAX: 00000000ffffffa6 RBX: ff1100000c757700 RCX: 1ff40000003a5dca
[   34.231771][ T1207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7577bc
[   34.231965][ T1207] RBP: ff1100000feac000 R08: 1fe22000018eaef9 R09: ff11000009ac5158
[   34.232158][ T1207] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   34.232356][ T1207] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.232552][ T1207] FS:  00007fdc46154840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   34.232775][ T1207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.232942][ T1207] CR2: 0000000017d58988 CR3: 000000000f2a0004 CR4: 0000000000771ef0
[   34.233135][ T1207] PKRU: 55555554
[   34.233231][ T1207] Call Trace:
[   34.233329][ T1207]  <TASK>
[   34.233401][ T1207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.233532][ T1207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.233630][ T1207]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.233758][ T1207]  __dev_notify_flags (net/core/dev.c:9787)
[   34.233895][ T1207]  ? netif_change_name (net/core/dev.c:1495)
[   34.234024][ T1207]  ? __dev_change_flags (net/core/dev.c:9752)
[   34.234153][ T1207]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.234281][ T1207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.234416][ T1207]  ? 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))
[   34.234546][ T1207]  netif_change_flags (net/core/dev.c:9820)
[   34.234676][ T1207]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.234804][ T1207]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.234942][ T1207]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.235070][ T1207]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.235229][ T1207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.235364][ T1207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.235492][ T1207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.235618][ T1207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.235750][ T1207]  ? __kernel_text_address (kernel/extable.c:79)
[   34.235880][ T1207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.236016][ T1207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.236143][ T1207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.236272][ T1207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.236404][ T1207]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.236532][ T1207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.236660][ T1207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.236788][ T1207]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.236923][ T1207]  ? __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)
[   34.237054][ T1207]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.237182][ T1207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.237311][ T1207]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.237448][ T1207]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.237580][ T1207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.237712][ T1207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.237838][ T1207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.237972][ T1207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.238100][ T1207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.238228][ T1207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.238363][ T1207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.238493][ T1207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.238623][ T1207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.238752][ T1207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.238889][ T1207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.239019][ T1207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.239148][ T1207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.239276][ T1207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.239409][ T1207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.239539][ T1207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.239665][ T1207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.239794][ T1207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.239930][ T1207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.240061][ T1207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.240194][ T1207]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.240324][ T1207]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.240459][ T1207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.240590][ T1207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.240720][ T1207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.240849][ T1207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.240984][ T1207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.241113][ T1207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.241243][ T1207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.241381][ T1207]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.241511][ T1207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.241674][ T1207]  ? move_addr_to_kernel (net/socket.c:258)
[   34.241806][ T1207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.241942][ T1207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.242073][ T1207]  ___sys_sendmsg (net/socket.c:2752)
[   34.242203][ T1207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.242365][ T1207]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.242505][ T1207]  __sys_sendmsg (net/socket.c:2784)
[   34.242634][ T1207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.242761][ T1207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.242928][ T1207]  ? 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)
[   34.243056][ T1207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.243187][ T1207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.243315][ T1207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.243448][ T1207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.243576][ T1207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.243734][ T1207] RIP: 0033:0x7fdc4638e08e
[   34.243870][ T1207] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.244333][ T1207] RSP: 002b:00007ffe29e6cf30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.244533][ T1207] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdc4638e08e
[   34.244723][ T1207] RDX: 0000000000000000 RSI: 00007ffe29e6cfe0 RDI: 0000000000000005
[   34.244919][ T1207] RBP: 00007ffe29e6cf40 R08: 0000000000000000 R09: 0000000000000000
[   34.245110][ T1207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec27
[   34.245300][ T1207] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe29e6d6b0
| [   34.394729][ T1216] ------------[ cut here ]------------
| [   34.395033][ T1216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1216
| [   34.395291][ T1216] Modules linked in: ip6_gre ip_gre gre
| [   34.395688][ T1216] Tainted: [W]=WARN
[   34.395782][ T1216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.395945][ T1216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.396107][ T1216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.396555][ T1216] RSP: 0018:ffa0000001d9f060 EFLAGS: 00010286
[   34.396712][ T1216] RAX: 00000000ffffffa6 RBX: ff110000051f63c0 RCX: 1ff40000003b3dd2
[   34.396905][ T1216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f647c
[   34.397091][ T1216] RBP: ff1100000feac000 R08: 1fe2200000a3ec91 R09: ff1100000a9f8b58
[   34.397278][ T1216] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   34.397468][ T1216] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001d9f0f8
[   34.397655][ T1216] FS:  00007f99e324a840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   34.397875][ T1216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.398036][ T1216] CR2: 00000000343e4988 CR3: 000000000508d003 CR4: 0000000000771ef0
[   34.398224][ T1216] PKRU: 55555554
[   34.398320][ T1216] Call Trace:
[   34.398419][ T1216]  <TASK>
[   34.398485][ T1216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.398612][ T1216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.398708][ T1216]  netif_close_many (net/core/dev.c:1804)
[   34.398833][ T1216]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.398966][ T1216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.399093][ T1216]  ? __dev_close_many (net/core/dev.c:1781)
[   34.399219][ T1216]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   34.399380][ T1216]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   34.399540][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.399665][ T1216]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.399818][ T1216]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   34.399950][ T1216]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.400074][ T1216]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   34.400232][ T1216]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   34.400362][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.400488][ T1216]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   34.400614][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.400736][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.400860][ T1216]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.400989][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.401113][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.401255][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.401385][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.401510][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.401633][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.401756][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.401880][ T1216]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   34.402012][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.402139][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.402262][ T1216]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.402391][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.402517][ T1216]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.402643][ T1216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.402767][ T1216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.402897][ T1216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.403020][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.403146][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.403270][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.403399][ T1216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.403525][ T1216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.403650][ T1216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.403777][ T1216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.403906][ T1216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.404032][ T1216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.404159][ T1216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.404283][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.404413][ T1216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.404539][ T1216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.404664][ T1216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.404791][ T1216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.404922][ T1216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.405047][ T1216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.405200][ T1216]  ? move_addr_to_kernel (net/socket.c:258)
[   34.405326][ T1216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.405455][ T1216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.405580][ T1216]  ___sys_sendmsg (net/socket.c:2752)
[   34.405703][ T1216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.405858][ T1216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.406000][ T1216]  __sys_sendmsg (net/socket.c:2784)
[   34.406129][ T1216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.406254][ T1216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.406418][ T1216]  ? 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)
[   34.406543][ T1216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.406670][ T1216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.406795][ T1216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.406925][ T1216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.407049][ T1216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.407204][ T1216] RIP: 0033:0x7f99e348408e
[   34.407335][ T1216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.407784][ T1216] RSP: 002b:00007ffcb95077f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.407977][ T1216] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f99e348408e
[   34.408161][ T1216] RDX: 0000000000000000 RSI: 00007ffcb95078a0 RDI: 0000000000000005
[   34.408347][ T1216] RBP: 00007ffcb9507800 R08: 0000000000000000 R09: 0000000000000000
[   34.408541][ T1216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec27
[   34.408728][ T1216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb9507f70
| [   34.412334][ T1216] ------------[ cut here ]------------
| [   34.412468][ T1216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1216
| [   34.412708][ T1216] Modules linked in: ip6_gre ip_gre gre
| [   34.413253][ T1216] Tainted: [W]=WARN
[   34.413344][ T1216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.413501][ T1216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.413658][ T1216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.414093][ T1216] RSP: 0018:ffa0000001d9f190 EFLAGS: 00010286
[   34.414245][ T1216] RAX: 00000000ffffffa6 RBX: ff110000051f7700 RCX: 1ff40000003b3df8
[   34.414431][ T1216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051f77bc
[   34.414610][ T1216] RBP: ff1100000feac000 R08: 1fe2200000a3eef9 R09: ff1100000a9f8b58
[   34.414790][ T1216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.414973][ T1216] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.415155][ T1216] FS:  00007f99e324a840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   34.415365][ T1216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.415515][ T1216] CR2: 00000000343e4988 CR3: 000000000508d003 CR4: 0000000000771ef0
[   34.415694][ T1216] PKRU: 55555554
[   34.415785][ T1216] Call Trace:
[   34.415874][ T1216]  <TASK>
[   34.415942][ T1216]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.416097][ T1216]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.416247][ T1216]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   34.416375][ T1216]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.416500][ T1216]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   34.416655][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.416780][ T1216]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   34.416911][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.417035][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.417159][ T1216]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.417283][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.417411][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.417553][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.417680][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.417804][ T1216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.417931][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.418057][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.418181][ T1216]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   34.418305][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.418434][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.418556][ T1216]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.418678][ T1216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.418802][ T1216]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.418929][ T1216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.419054][ T1216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.419176][ T1216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.419300][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.419429][ T1216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.419555][ T1216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.419680][ T1216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.419804][ T1216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.419935][ T1216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.420059][ T1216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.420178][ T1216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.420304][ T1216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.420433][ T1216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.420554][ T1216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.420676][ T1216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.420798][ T1216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.420925][ T1216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.421051][ T1216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.421174][ T1216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.421300][ T1216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.421462][ T1216]  ? move_addr_to_kernel (net/socket.c:258)
[   34.421583][ T1216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.421704][ T1216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.421825][ T1216]  ___sys_sendmsg (net/socket.c:2752)
[   34.421950][ T1216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.422099][ T1216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.422231][ T1216]  __sys_sendmsg (net/socket.c:2784)
[   34.422357][ T1216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.422477][ T1216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.422631][ T1216]  ? 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)
[   34.422751][ T1216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.422875][ T1216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.423001][ T1216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.423124][ T1216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.423243][ T1216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.423395][ T1216] RIP: 0033:0x7f99e348408e
[   34.423521][ T1216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.423952][ T1216] RSP: 002b:00007ffcb95077f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.424134][ T1216] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f99e348408e
[   34.424314][ T1216] RDX: 0000000000000000 RSI: 00007ffcb95078a0 RDI: 0000000000000005
[   34.424500][ T1216] RBP: 00007ffcb9507800 R08: 0000000000000000 R09: 0000000000000000
[   34.424678][ T1216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec27
[   34.424856][ T1216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb9507f70
| [   34.468404][ T1217] ------------[ cut here ]------------
| [   34.468588][ T1217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1217
| [   34.468903][ T1217] Modules linked in: ip6_gre ip_gre gre
| [   34.469397][ T1217] Tainted: [W]=WARN
[   34.469539][ T1217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.469747][ T1217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.469971][ T1217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.470483][ T1217] RSP: 0018:ffa000000189f1b0 EFLAGS: 00010286
[   34.470690][ T1217] RAX: 00000000ffffffa6 RBX: ff1100000c30ac80 RCX: 1ff4000000313dfc
[   34.470939][ T1217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c30ad3c
[   34.471182][ T1217] RBP: ff1100000f5b9000 R08: 1fe22000018615a9 R09: ff1100000a9fae80
[   34.471427][ T1217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   34.471664][ T1217] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300b80
[   34.471914][ T1217] FS:  00007ff93aaa1840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   34.472190][ T1217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.472400][ T1217] CR2: 00007ff93ad7bcb0 CR3: 00000000050f9003 CR4: 0000000000771ef0
[   34.472640][ T1217] PKRU: 55555554
[   34.472782][ T1217] Call Trace:
[   34.472935][ T1217]  <TASK>
[   34.473048][ T1217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.473226][ T1217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.473377][ T1217]  __dev_notify_flags (net/core/dev.c:9787)
[   34.473558][ T1217]  ? netif_change_name (net/core/dev.c:1495)
[   34.473733][ T1217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.473925][ T1217]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   34.474103][ T1217]  ? nla_strscpy (lib/nlattr.c:795)
[   34.474281][ T1217]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   34.474463][ T1217]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   34.474638][ T1217]  ? __dev_get_by_name (net/core/dev.c:883)
[   34.474815][ T1217]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   34.475006][ T1217]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   34.475186][ T1217]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.475370][ T1217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.475544][ T1217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.475720][ T1217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.475907][ T1217]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.476082][ T1217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.476265][ T1217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.476451][ T1217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.476628][ T1217]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.476804][ T1217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.476991][ T1217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.477166][ T1217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.477342][ T1217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.477526][ T1217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.477704][ T1217]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.477879][ T1217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.478069][ T1217]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.478248][ T1217]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.478428][ T1217]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.478607][ T1217]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.478784][ T1217]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.478972][ T1217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.479150][ T1217]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.479327][ T1217]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.479512][ T1217]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.479689][ T1217]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.479864][ T1217]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.480053][ T1217]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.480284][ T1217]  ? move_addr_to_kernel (net/socket.c:258)
[   34.480468][ T1217]  ___sys_sendmsg (net/socket.c:2752)
[   34.480645][ T1217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.480821][ T1217]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.481017][ T1217]  ? 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))
[   34.481195][ T1217]  __sys_sendmsg (net/socket.c:2784)
[   34.481378][ T1217]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.481561][ T1217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.481736][ T1217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.481924][ T1217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.482100][ T1217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.482274][ T1217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.482459][ T1217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.482666][ T1217] RIP: 0033:0x7ff93acdb08e
[   34.482845][ T1217] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.483367][ T1217] RSP: 002b:00007ffecdd6dfd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.483608][ T1217] RAX: ffffffffffffffda RBX: 00007ffecdd6e780 RCX: 00007ff93acdb08e
[   34.483847][ T1217] RDX: 0000000000000000 RSI: 00007ffecdd6e080 RDI: 0000000000000005
[   34.484096][ T1217] RBP: 00007ffecdd6dfe0 R08: 0000000000000000 R09: 0000000000000000
[   34.484333][ T1217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec27
[   34.484577][ T1217] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecdd6e740
| [   34.545264][ T1219] ------------[ cut here ]------------
| [   34.545449][ T1219] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1219
| [   34.545745][ T1219] Modules linked in: ip6_gre ip_gre gre
| [   34.546753][ T1219] Tainted: [W]=WARN
[   34.546908][ T1219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.547118][ T1219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.547327][ T1219] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.547824][ T1219] RSP: 0018:ffa0000001dbf020 EFLAGS: 00010286
[   34.548045][ T1219] RAX: 00000000ffffffa6 RBX: ff1100000ab598c0 RCX: 1ff40000003b7dca
[   34.548279][ T1219] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab5997c
[   34.548517][ T1219] RBP: ff1100000f5b9000 R08: 1fe220000156b331 R09: ff110000098f2e58
[   34.548751][ T1219] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   34.549008][ T1219] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.549250][ T1219] FS:  00007f4644299840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   34.549521][ T1219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.549722][ T1219] CR2: 000000003455c988 CR3: 0000000010447006 CR4: 0000000000771ef0
[   34.549966][ T1219] PKRU: 55555554
[   34.550108][ T1219] Call Trace:
[   34.550250][ T1219]  <TASK>
[   34.550367][ T1219]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.550542][ T1219]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.550685][ T1219]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.550856][ T1219]  __dev_notify_flags (net/core/dev.c:9787)
[   34.551043][ T1219]  ? netif_change_name (net/core/dev.c:1495)
[   34.551216][ T1219]  ? __dev_change_flags (net/core/dev.c:9752)
[   34.551398][ T1219]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.551570][ T1219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.551745][ T1219]  ? 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))
[   34.551930][ T1219]  netif_change_flags (net/core/dev.c:9820)
[   34.552106][ T1219]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.552278][ T1219]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.552459][ T1219]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.552636][ T1219]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.552841][ T1219]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.553120][ T1219]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.553363][ T1219]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.553586][ T1219]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.553818][ T1219]  ? __kernel_text_address (kernel/extable.c:79)
[   34.554084][ T1219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.554399][ T1219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.554632][ T1219]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.554901][ T1219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.555071][ T1219]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.555241][ T1219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.555421][ T1219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.555594][ T1219]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.555770][ T1219]  ? __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)
[   34.555956][ T1219]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.556131][ T1219]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.556305][ T1219]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.556487][ T1219]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.556663][ T1219]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.556837][ T1219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.557020][ T1219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.557196][ T1219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.557374][ T1219]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.557546][ T1219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.557720][ T1219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.557901][ T1219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.558072][ T1219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.558245][ T1219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.558429][ T1219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.558601][ T1219]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.558773][ T1219]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.558957][ T1219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.559130][ T1219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.559303][ T1219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.559480][ T1219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.559652][ T1219]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.559828][ T1219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.560012][ T1219]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.560189][ T1219]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.560367][ T1219]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.560541][ T1219]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.560715][ T1219]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.560900][ T1219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.561077][ T1219]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.561251][ T1219]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.561431][ T1219]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.561607][ T1219]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.561780][ T1219]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.561965][ T1219]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.562166][ T1219]  ? move_addr_to_kernel (net/socket.c:258)
[   34.562340][ T1219]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.562522][ T1219]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.562695][ T1219]  ___sys_sendmsg (net/socket.c:2752)
[   34.562866][ T1219]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.563083][ T1219]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.563268][ T1219]  __sys_sendmsg (net/socket.c:2784)
[   34.563451][ T1219]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.563622][ T1219]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.563831][ T1219]  ? 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)
[   34.564016][ T1219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.564190][ T1219]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.564370][ T1219]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.564543][ T1219]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.564716][ T1219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.564930][ T1219] RIP: 0033:0x7f46444d308e
[   34.565111][ T1219] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.565610][ T1219] RSP: 002b:00007ffea6f70fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.565843][ T1219] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f46444d308e
[   34.566090][ T1219] RDX: 0000000000000000 RSI: 00007ffea6f71090 RDI: 0000000000000005
[   34.566324][ T1219] RBP: 00007ffea6f70ff0 R08: 0000000000000000 R09: 0000000000000000
[   34.566562][ T1219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec27
[   34.566794][ T1219] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea6f71760
| [   34.685840][ T1227] ------------[ cut here ]------------
| [   34.686040][ T1227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1227
| [   34.686338][ T1227] Modules linked in: ip6_gre ip_gre gre
| [   34.686828][ T1227] Tainted: [W]=WARN
[   34.686984][ T1227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.687189][ T1227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.687412][ T1227] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.687918][ T1227] RSP: 0018:ffa0000001e3f020 EFLAGS: 00010286
[   34.688124][ T1227] RAX: 00000000ffffffa6 RBX: ff1100000c109a80 RCX: 1ff40000003c7dca
[   34.688364][ T1227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c109b3c
[   34.688600][ T1227] RBP: ff1100000f5b9000 R08: 1fe2200001821369 R09: ff1100000f75d158
[   34.688833][ T1227] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   34.690041][ T1227] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.690394][ T1227] FS:  00007f686a526840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   34.690771][ T1227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.691073][ T1227] CR2: 0000000031747988 CR3: 00000000050af002 CR4: 0000000000771ef0
[   34.691401][ T1227] PKRU: 55555554
[   34.691618][ T1227] Call Trace:
[   34.691843][ T1227]  <TASK>
[   34.692042][ T1227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.692294][ T1227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.692500][ T1227]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.692727][ T1227]  __dev_notify_flags (net/core/dev.c:9787)
[   34.692998][ T1227]  ? netif_change_name (net/core/dev.c:1495)
[   34.693211][ T1227]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   34.693388][ T1227]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.693563][ T1227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.693740][ T1227]  ? 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))
[   34.693930][ T1227]  netif_change_flags (net/core/dev.c:9820)
[   34.694107][ T1227]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.694280][ T1227]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.694465][ T1227]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.694643][ T1227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.694851][ T1227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.695035][ T1227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.695209][ T1227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.695389][ T1227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.695565][ T1227]  ? __kernel_text_address (kernel/extable.c:79)
[   34.695740][ T1227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.695929][ T1227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.696105][ T1227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.696281][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.696463][ T1227]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.696636][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.696809][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.696995][ T1227]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.697171][ T1227]  ? __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)
[   34.697345][ T1227]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.697529][ T1227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.697706][ T1227]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.697897][ T1227]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.698076][ T1227]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.698251][ T1227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.698430][ T1227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.698603][ T1227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.698775][ T1227]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.698960][ T1227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.699136][ T1227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.699308][ T1227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.699490][ T1227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.699664][ T1227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.699840][ T1227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.700027][ T1227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.700202][ T1227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.700381][ T1227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.700555][ T1227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.700730][ T1227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.700913][ T1227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.701089][ T1227]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.701260][ T1227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.701443][ T1227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.701621][ T1227]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.701797][ T1227]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.701986][ T1227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.702162][ T1227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.702336][ T1227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.702522][ T1227]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.702698][ T1227]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.702872][ T1227]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.703064][ T1227]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.703240][ T1227]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.703420][ T1227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.703622][ T1227]  ? move_addr_to_kernel (net/socket.c:258)
[   34.703797][ T1227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.703988][ T1227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.704164][ T1227]  ___sys_sendmsg (net/socket.c:2752)
[   34.704338][ T1227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.704550][ T1227]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.704734][ T1227]  __sys_sendmsg (net/socket.c:2784)
[   34.704921][ T1227]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.705093][ T1227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.705301][ T1227]  ? 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)
[   34.705484][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.705660][ T1227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.705833][ T1227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.706019][ T1227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.706194][ T1227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.706405][ T1227] RIP: 0033:0x7f686a76008e
[   34.706588][ T1227] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.707102][ T1227] RSP: 002b:00007fffc4623a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.707339][ T1227] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f686a76008e
[   34.707589][ T1227] RDX: 0000000000000000 RSI: 00007fffc4623ae0 RDI: 0000000000000005
[   34.707825][ T1227] RBP: 00007fffc4623a40 R08: 0000000000000000 R09: 0000000000000000
[   34.708077][ T1227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec27
[   34.708313][ T1227] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc46241b0
| [   34.773645][ T1229] ------------[ cut here ]------------
| [   34.773795][ T1229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1229
| [   34.774056][ T1229] Modules linked in: ip6_gre ip_gre gre
| [   34.774458][ T1229] Tainted: [W]=WARN
[   34.774555][ T1229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.774718][ T1229] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.774889][ T1229] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.775344][ T1229] RSP: 0018:ffa0000001e4f020 EFLAGS: 00010286
[   34.775514][ T1229] RAX: 00000000ffffffa6 RBX: ff1100000d369540 RCX: 1ff40000003c9dca
[   34.775705][ T1229] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3695fc
[   34.775900][ T1229] RBP: ff1100000f5b9000 R08: 1fe2200001a6d2c1 R09: ff1100000f758b58
[   34.776091][ T1229] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   34.776280][ T1229] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.776480][ T1229] FS:  00007fd387414840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   34.776705][ T1229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.776863][ T1229] CR2: 00000000133f5988 CR3: 000000001041e006 CR4: 0000000000771ef0
[   34.777058][ T1229] PKRU: 55555554
[   34.777154][ T1229] Call Trace:
[   34.777250][ T1229]  <TASK>
[   34.777317][ T1229]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.777452][ T1229]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.777550][ T1229]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.777677][ T1229]  __dev_notify_flags (net/core/dev.c:9787)
[   34.777806][ T1229]  ? netif_change_name (net/core/dev.c:1495)
[   34.777939][ T1229]  ? __dev_change_flags (net/core/dev.c:9752)
[   34.778067][ T1229]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.778194][ T1229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.778322][ T1229]  ? 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))
[   34.778458][ T1229]  netif_change_flags (net/core/dev.c:9820)
[   34.778587][ T1229]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.778717][ T1229]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.778847][ T1229]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.778981][ T1229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.779140][ T1229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.779269][ T1229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.779398][ T1229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.779526][ T1229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.779653][ T1229]  ? __kernel_text_address (kernel/extable.c:79)
[   34.779782][ T1229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.779916][ T1229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.780044][ T1229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.780173][ T1229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.780301][ T1229]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.780432][ T1229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.780560][ T1229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.780687][ T1229]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.780815][ T1229]  ? __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)
[   34.780949][ T1229]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.781077][ T1229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.781205][ T1229]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.781335][ T1229]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.781474][ T1229]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.781603][ T1229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.781730][ T1229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.781859][ T1229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.781991][ T1229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.782117][ T1229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.782247][ T1229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.782381][ T1229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.782507][ T1229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.782634][ T1229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.782762][ T1229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.782895][ T1229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.783024][ T1229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.783153][ T1229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.783280][ T1229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.783416][ T1229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.783543][ T1229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.783672][ T1229]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.783799][ T1229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.783930][ T1229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.784062][ T1229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.784189][ T1229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.784317][ T1229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.784452][ T1229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.784580][ T1229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.784709][ T1229]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.784838][ T1229]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.784972][ T1229]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.785103][ T1229]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.785229][ T1229]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.785359][ T1229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.785518][ T1229]  ? move_addr_to_kernel (net/socket.c:258)
[   34.785648][ T1229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.785777][ T1229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.785911][ T1229]  ___sys_sendmsg (net/socket.c:2752)
[   34.786038][ T1229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.786200][ T1229]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.786341][ T1229]  __sys_sendmsg (net/socket.c:2784)
[   34.786475][ T1229]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.786602][ T1229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.786763][ T1229]  ? 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)
[   34.786896][ T1229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.787025][ T1229]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.787155][ T1229]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.787282][ T1229]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.787415][ T1229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.787576][ T1229] RIP: 0033:0x7fd38764e08e
[   34.787712][ T1229] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.788169][ T1229] RSP: 002b:00007ffdc698ca10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.788365][ T1229] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd38764e08e
[   34.788557][ T1229] RDX: 0000000000000000 RSI: 00007ffdc698cac0 RDI: 0000000000000005
[   34.788748][ T1229] RBP: 00007ffdc698ca20 R08: 0000000000000000 R09: 0000000000000000
[   34.788942][ T1229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec28
[   34.789133][ T1229] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc698d190
| [   34.932159][ T1238] ------------[ cut here ]------------
| [   34.932312][ T1238] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1238
| [   34.932567][ T1238] Modules linked in: ip6_gre ip_gre gre
| [   34.932963][ T1238] Tainted: [W]=WARN
[   34.933059][ T1238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.933217][ T1238] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.933384][ T1238] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.933829][ T1238] RSP: 0018:ffa0000001cef060 EFLAGS: 00010286
[   34.933993][ T1238] RAX: 00000000ffffffa6 RBX: ff1100000c2d3540 RCX: 1ff400000039ddd2
[   34.934182][ T1238] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2d35fc
[   34.934377][ T1238] RBP: ff1100000f5b9000 R08: 1fe220000185a6c1 R09: ff1100000fc58b58
[   34.934564][ T1238] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   34.934751][ T1238] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001cef0f8
[   34.934946][ T1238] FS:  00007fefcdcf8840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   34.935169][ T1238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.935328][ T1238] CR2: 000000001df19988 CR3: 00000000104fe002 CR4: 0000000000771ef0
[   34.935521][ T1238] PKRU: 55555554
[   34.935615][ T1238] Call Trace:
[   34.935710][ T1238]  <TASK>
[   34.935776][ T1238]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.935911][ T1238]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.936007][ T1238]  netif_close_many (net/core/dev.c:1804)
[   34.936134][ T1238]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.936260][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.936391][ T1238]  ? __dev_close_many (net/core/dev.c:1781)
[   34.936520][ T1238]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   34.936676][ T1238]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   34.936835][ T1238]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.936966][ T1238]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.937122][ T1238]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   34.937249][ T1238]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.937381][ T1238]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   34.937539][ T1238]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   34.937668][ T1238]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.937795][ T1238]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   34.937928][ T1238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.938054][ T1238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.938180][ T1238]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.938305][ T1238]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.938436][ T1238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.938579][ T1238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.938704][ T1238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.938829][ T1238]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.939628][ T1238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.939757][ T1238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.939881][ T1238]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   34.940063][ T1238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.940187][ T1238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.940314][ T1238]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.940446][ T1238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.940573][ T1238]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.940699][ T1238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.940825][ T1238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.940960][ T1238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.941088][ T1238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.941216][ T1238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.941342][ T1238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.941474][ T1238]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.941600][ T1238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.941727][ T1238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.941857][ T1238]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.941989][ T1238]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.942118][ T1238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.942245][ T1238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.942377][ T1238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.942505][ T1238]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.942634][ T1238]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.942763][ T1238]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.942897][ T1238]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.943024][ T1238]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.943150][ T1238]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.943305][ T1238]  ? move_addr_to_kernel (net/socket.c:258)
[   34.943439][ T1238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.943567][ T1238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.943695][ T1238]  ___sys_sendmsg (net/socket.c:2752)
[   34.943823][ T1238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.943986][ T1238]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.944125][ T1238]  __sys_sendmsg (net/socket.c:2784)
[   34.944251][ T1238]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.944382][ T1238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.944541][ T1238]  ? 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)
[   34.944668][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.944795][ T1238]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.944929][ T1238]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.945056][ T1238]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.945183][ T1238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.945340][ T1238] RIP: 0033:0x7fefcdf3208e
[   34.945476][ T1238] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.945931][ T1238] RSP: 002b:00007ffed30442e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.946121][ T1238] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fefcdf3208e
[   34.946308][ T1238] RDX: 0000000000000000 RSI: 00007ffed3044390 RDI: 0000000000000005
[   34.946500][ T1238] RBP: 00007ffed30442f0 R08: 0000000000000000 R09: 0000000000000000
[   34.946687][ T1238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec28
[   34.946873][ T1238] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed3044a60
| [   34.950329][ T1238] ------------[ cut here ]------------
| [   34.950460][ T1238] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1238
| [   34.950702][ T1238] Modules linked in: ip6_gre ip_gre gre
| [   34.951726][ T1238] Tainted: [W]=WARN
[   34.951820][ T1238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.952016][ T1238] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.952179][ T1238] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.952619][ T1238] RSP: 0018:ffa0000001cef190 EFLAGS: 00010286
[   34.952771][ T1238] RAX: 00000000ffffffa6 RBX: ff1100000e22b1c0 RCX: 1ff400000039ddf8
[   34.952958][ T1238] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e22b27c
[   34.953142][ T1238] RBP: ff1100000f5b9000 R08: 1fe2200001c45651 R09: ff1100000fc58b58
[   34.953323][ T1238] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.953507][ T1238] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.953690][ T1238] FS:  00007fefcdcf8840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   34.953908][ T1238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.954061][ T1238] CR2: 000000001df19988 CR3: 00000000104fe002 CR4: 0000000000771ef0
[   34.954243][ T1238] PKRU: 55555554
[   34.954343][ T1238] Call Trace:
[   34.954440][ T1238]  <TASK>
[   34.954503][ T1238]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.954658][ T1238]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.954808][ T1238]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   34.954936][ T1238]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.955058][ T1238]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   34.955210][ T1238]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.955334][ T1238]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   34.955459][ T1238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.955580][ T1238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.955702][ T1238]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.955825][ T1238]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.955950][ T1238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.956090][ T1238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.956210][ T1238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.956332][ T1238]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.956455][ T1238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.956577][ T1238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.956699][ T1238]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   34.956824][ T1238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.956951][ T1238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.957073][ T1238]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.957194][ T1238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.957316][ T1238]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.957443][ T1238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.957566][ T1238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.957688][ T1238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.957808][ T1238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.957935][ T1238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.958059][ T1238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.958193][ T1238]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.958315][ T1238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.958441][ T1238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.958567][ T1238]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.958689][ T1238]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.958813][ T1238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.958946][ T1238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.959068][ T1238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.959190][ T1238]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.959313][ T1238]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.959440][ T1238]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.959565][ T1238]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.959686][ T1238]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.959807][ T1238]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.959969][ T1238]  ? move_addr_to_kernel (net/socket.c:258)
[   34.960093][ T1238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.960220][ T1238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.960343][ T1238]  ___sys_sendmsg (net/socket.c:2752)
[   34.960468][ T1238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.960618][ T1238]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.960752][ T1238]  __sys_sendmsg (net/socket.c:2784)
[   34.960874][ T1238]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.961002][ T1238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.961155][ T1238]  ? 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)
[   34.961278][ T1238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.961405][ T1238]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.961527][ T1238]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.961647][ T1238]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.961769][ T1238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.961926][ T1238] RIP: 0033:0x7fefcdf3208e
[   34.962052][ T1238] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.962487][ T1238] RSP: 002b:00007ffed30442e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.962736][ T1238] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fefcdf3208e
[   34.962932][ T1238] RDX: 0000000000000000 RSI: 00007ffed3044390 RDI: 0000000000000005
[   34.963123][ T1238] RBP: 00007ffed30442f0 R08: 0000000000000000 R09: 0000000000000000
[   34.963313][ T1238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec28
[   34.963540][ T1238] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed3044a60
| [   35.019147][ T1239] ------------[ cut here ]------------
| [   35.019298][ T1239] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1239
| [   35.019568][ T1239] Modules linked in: ip6_gre ip_gre gre
| [   35.019975][ T1239] Tainted: [W]=WARN
[   35.020078][ T1239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.020243][ T1239] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.020416][ T1239] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.020876][ T1239] RSP: 0018:ffa0000001a9f1b0 EFLAGS: 00010286
[   35.021045][ T1239] RAX: 00000000ffffffa6 RBX: ff11000006241000 RCX: 1ff4000000353dfc
[   35.021239][ T1239] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000062410bc
[   35.021438][ T1239] RBP: ff1100000fea9000 R08: 1fe2200000c48219 R09: ff1100000fc5ae80
[   35.021632][ T1239] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   35.021826][ T1239] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc0300b80
[   35.022033][ T1239] FS:  00007f3d200e2840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   35.022266][ T1239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.022433][ T1239] CR2: 00007f3d203bccb0 CR3: 0000000005013004 CR4: 0000000000771ef0
[   35.022629][ T1239] PKRU: 55555554
[   35.022727][ T1239] Call Trace:
[   35.022824][ T1239]  <TASK>
[   35.022897][ T1239]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.023030][ T1239]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.023130][ T1239]  __dev_notify_flags (net/core/dev.c:9787)
[   35.023263][ T1239]  ? netif_change_name (net/core/dev.c:1495)
[   35.023398][ T1239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.023531][ T1239]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   35.023660][ T1239]  ? nla_strscpy (lib/nlattr.c:795)
[   35.023794][ T1239]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   35.023931][ T1239]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   35.024063][ T1239]  ? __dev_get_by_name (net/core/dev.c:883)
[   35.024228][ T1239]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   35.024379][ T1239]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   35.024522][ T1239]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.024662][ T1239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.024796][ T1239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.024959][ T1239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.025097][ T1239]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.025234][ T1239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.025379][ T1239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.025510][ T1239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.025641][ T1239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.025770][ T1239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.025904][ T1239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.026033][ T1239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.026166][ T1239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.026298][ T1239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.026433][ T1239]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.026563][ T1239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.026695][ T1239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.026828][ T1239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.026962][ T1239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.027095][ T1239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.027227][ T1239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.027361][ T1239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.027493][ T1239]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.027624][ T1239]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.027755][ T1239]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.027893][ T1239]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.028024][ T1239]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.028154][ T1239]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.028315][ T1239]  ? move_addr_to_kernel (net/socket.c:258)
[   35.028456][ T1239]  ___sys_sendmsg (net/socket.c:2752)
[   35.028585][ T1239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.028716][ T1239]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.028855][ T1239]  ? 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))
[   35.028993][ T1239]  __sys_sendmsg (net/socket.c:2784)
[   35.029123][ T1239]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.029256][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.029391][ T1239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.029522][ T1239]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.029652][ T1239]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.029783][ T1239]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.029920][ T1239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.030083][ T1239] RIP: 0033:0x7f3d2031c08e
[   35.030220][ T1239] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.030691][ T1239] RSP: 002b:00007ffe9ef589a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.030894][ T1239] RAX: ffffffffffffffda RBX: 00007ffe9ef59150 RCX: 00007f3d2031c08e
[   35.031089][ T1239] RDX: 0000000000000000 RSI: 00007ffe9ef58a50 RDI: 0000000000000005
[   35.031283][ T1239] RBP: 00007ffe9ef589b0 R08: 0000000000000000 R09: 0000000000000000
[   35.031481][ T1239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec28
[   35.031677][ T1239] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9ef59110
| [   35.082906][ T1241] ------------[ cut here ]------------
| [   35.083050][ T1241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1241
| [   35.083304][ T1241] Modules linked in: ip6_gre ip_gre gre
| [   35.083702][ T1241] Tainted: [W]=WARN
[   35.083798][ T1241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.083962][ T1241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.084127][ T1241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.084582][ T1241] RSP: 0018:ffa0000001edf020 EFLAGS: 00010286
[   35.084742][ T1241] RAX: 00000000ffffffa6 RBX: ff110000062411c0 RCX: 1ff40000003dbdca
[   35.084938][ T1241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000624127c
[   35.085127][ T1241] RBP: ff1100000fea9000 R08: 1fe2200000c48251 R09: ff110000100aae58
[   35.085318][ T1241] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   35.085514][ T1241] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   35.085705][ T1241] FS:  00007f682d7e1840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   35.085934][ T1241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.086095][ T1241] CR2: 00007f682dab11a0 CR3: 000000001058f006 CR4: 0000000000771ef0
[   35.086286][ T1241] PKRU: 55555554
[   35.086386][ T1241] Call Trace:
[   35.086482][ T1241]  <TASK>
[   35.086549][ T1241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.086679][ T1241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.086777][ T1241]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.086911][ T1241]  __dev_notify_flags (net/core/dev.c:9787)
[   35.087040][ T1241]  ? netif_change_name (net/core/dev.c:1495)
[   35.087169][ T1241]  ? __dev_change_flags (net/core/dev.c:9752)
[   35.087297][ T1241]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   35.087428][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.087558][ T1241]  ? 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))
[   35.087687][ T1241]  netif_change_flags (net/core/dev.c:9820)
[   35.087815][ T1241]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.087949][ T1241]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   35.088084][ T1241]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   35.088213][ T1241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   35.088378][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.088506][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.088633][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.088759][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.088893][ T1241]  ? __kernel_text_address (kernel/extable.c:79)
[   35.089021][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.089151][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.089279][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.089414][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.089543][ T1241]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.089670][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.089798][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.090612][ T1241]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   35.090743][ T1241]  ? __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)
[   35.090871][ T1241]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   35.091050][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.091180][ T1241]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   35.091311][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   35.091447][ T1241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.091576][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.091703][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.091830][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.091960][ T1241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.092093][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.092224][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.092358][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.092486][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.092614][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.092744][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.092871][ T1241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.093004][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.093133][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.093264][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.093398][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.093526][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.093656][ T1241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.093783][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.093917][ T1241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.094049][ T1241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.094177][ T1241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.094307][ T1241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.094440][ T1241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.094568][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.094698][ T1241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.094829][ T1241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.094962][ T1241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.095093][ T1241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.095221][ T1241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.095350][ T1241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.095515][ T1241]  ? move_addr_to_kernel (net/socket.c:258)
[   35.095645][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.095775][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.095910][ T1241]  ___sys_sendmsg (net/socket.c:2752)
[   35.096039][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.096198][ T1241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.096340][ T1241]  __sys_sendmsg (net/socket.c:2784)
[   35.096473][ T1241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.096601][ T1241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.096761][ T1241]  ? 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)
[   35.096897][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.097028][ T1241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.097156][ T1241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.097286][ T1241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.097420][ T1241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.097577][ T1241] RIP: 0033:0x7f682da1b08e
[   35.097711][ T1241] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.098172][ T1241] RSP: 002b:00007ffc2f2242b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.098366][ T1241] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f682da1b08e
[   35.098556][ T1241] RDX: 0000000000000000 RSI: 00007ffc2f224360 RDI: 0000000000000005
[   35.098749][ T1241] RBP: 00007ffc2f2242c0 R08: 0000000000000000 R09: 0000000000000000
[   35.098943][ T1241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec28
[   35.099133][ T1241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2f224a30
| [   35.215633][ T1249] ------------[ cut here ]------------
| [   35.215794][ T1249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1249
| [   35.216066][ T1249] Modules linked in: ip6_gre ip_gre gre
| [   35.216467][ T1249] Tainted: [W]=WARN
[   35.216565][ T1249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.216724][ T1249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.216896][ T1249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.217352][ T1249] RSP: 0018:ffa0000001f5f020 EFLAGS: 00010286
[   35.217517][ T1249] RAX: 00000000ffffffa6 RBX: ff1100000d537a80 RCX: 1ff40000003ebdca
[   35.217708][ T1249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d537b3c
[   35.217981][ T1249] RBP: ff1100000fea9000 R08: 1fe2200001aa6f69 R09: ff1100000f6d8b58
[   35.218174][ T1249] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   35.218369][ T1249] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   35.218562][ T1249] FS:  00007f4f21739840(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   35.218786][ T1249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.219024][ T1249] CR2: 0000000032515988 CR3: 00000000050e7005 CR4: 0000000000771ef0
[   35.219216][ T1249] PKRU: 55555554
[   35.219313][ T1249] Call Trace:
[   35.219414][ T1249]  <TASK>
[   35.219481][ T1249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.219612][ T1249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.219709][ T1249]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.219837][ T1249]  __dev_notify_flags (net/core/dev.c:9787)
[   35.220051][ T1249]  ? netif_change_name (net/core/dev.c:1495)
[   35.220180][ T1249]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   35.220309][ T1249]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   35.220443][ T1249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.220572][ T1249]  ? 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))
[   35.220703][ T1249]  netif_change_flags (net/core/dev.c:9820)
[   35.220832][ T1249]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.221037][ T1249]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   35.221170][ T1249]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   35.221302][ T1249]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   35.221470][ T1249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.221599][ T1249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.221728][ T1249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.221856][ T1249]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.222052][ T1249]  ? __kernel_text_address (kernel/extable.c:79)
[   35.222183][ T1249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.222313][ T1249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.222449][ T1249]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.222579][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.222708][ T1249]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.222836][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.223007][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.223136][ T1249]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   35.223269][ T1249]  ? __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)
[   35.223401][ T1249]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   35.223531][ T1249]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.223662][ T1249]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   35.223793][ T1249]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   35.223930][ T1249]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.224060][ T1249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.224187][ T1249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.224314][ T1249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.224449][ T1249]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.224578][ T1249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.224708][ T1249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.224834][ T1249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.224971][ T1249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.225099][ T1249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.225229][ T1249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.225361][ T1249]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.225489][ T1249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.225618][ T1249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.225747][ T1249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.225878][ T1249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.226012][ T1249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.226144][ T1249]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.226274][ T1249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.226407][ T1249]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.226539][ T1249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.226671][ T1249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.226801][ T1249]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.226933][ T1249]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.227061][ T1249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.227189][ T1249]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.227317][ T1249]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.227452][ T1249]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.227584][ T1249]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.227714][ T1249]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.227845][ T1249]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.228009][ T1249]  ? move_addr_to_kernel (net/socket.c:258)
[   35.228139][ T1249]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.228267][ T1249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.228404][ T1249]  ___sys_sendmsg (net/socket.c:2752)
[   35.228531][ T1249]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.228692][ T1249]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.228834][ T1249]  __sys_sendmsg (net/socket.c:2784)
[   35.228968][ T1249]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.229097][ T1249]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.229259][ T1249]  ? 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)
[   35.229395][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.229525][ T1249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.229656][ T1249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.229787][ T1249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.229921][ T1249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.230081][ T1249] RIP: 0033:0x7f4f2197308e
[   35.230218][ T1249] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.230678][ T1249] RSP: 002b:00007fffc8317f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.230874][ T1249] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4f2197308e
[   35.231072][ T1249] RDX: 0000000000000000 RSI: 00007fffc8318030 RDI: 0000000000000005
[   35.231266][ T1249] RBP: 00007fffc8317f90 R08: 0000000000000000 R09: 0000000000000000
[   35.231465][ T1249] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec28
[   35.231657][ T1249] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc8318700
| [   35.292216][ T1251] ------------[ cut here ]------------
| [   35.292370][ T1251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1251
| [   35.292625][ T1251] Modules linked in: ip6_gre ip_gre gre
| [   35.293551][ T1251] Tainted: [W]=WARN
[   35.293650][ T1251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.293811][ T1251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.293985][ T1251] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.294443][ T1251] RSP: 0018:ffa0000001f7f020 EFLAGS: 00010286
[   35.294604][ T1251] RAX: 00000000ffffffa6 RBX: ff110000052ea900 RCX: 1ff40000003efdca
[   35.294798][ T1251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052ea9bc
[   35.294993][ T1251] RBP: ff1100000fea9000 R08: 1fe2200000a5d539 R09: ff1100000a948b58
[   35.295184][ T1251] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   35.295380][ T1251] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   35.295575][ T1251] FS:  00007f76f265f840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   35.295798][ T1251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.295964][ T1251] CR2: 000000002489a988 CR3: 0000000012c9f006 CR4: 0000000000771ef0
[   35.296157][ T1251] PKRU: 55555554
[   35.296253][ T1251] Call Trace:
[   35.296350][ T1251]  <TASK>
[   35.296424][ T1251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.296555][ T1251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.296652][ T1251]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.296781][ T1251]  __dev_notify_flags (net/core/dev.c:9787)
[   35.296917][ T1251]  ? netif_change_name (net/core/dev.c:1495)
[   35.297045][ T1251]  ? __dev_change_flags (net/core/dev.c:9752)
[   35.297173][ T1251]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   35.297300][ T1251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.297432][ T1251]  ? 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))
[   35.297561][ T1251]  netif_change_flags (net/core/dev.c:9820)
[   35.297689][ T1251]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.297817][ T1251]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   35.297952][ T1251]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   35.298081][ T1251]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   35.298242][ T1251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.298376][ T1251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.298505][ T1251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.298632][ T1251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.298759][ T1251]  ? __kernel_text_address (kernel/extable.c:79)
[   35.298893][ T1251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.299024][ T1251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.299150][ T1251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.299278][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.299411][ T1251]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.299537][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.299664][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.299791][ T1251]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   35.299925][ T1251]  ? __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)
[   35.300054][ T1251]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   35.300182][ T1251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.300311][ T1251]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   35.300446][ T1251]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   35.300578][ T1251]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.300707][ T1251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.300834][ T1251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.300966][ T1251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.301094][ T1251]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.301221][ T1251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.301350][ T1251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.301482][ T1251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.301609][ T1251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.301736][ T1251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.301865][ T1251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.301998][ T1251]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.302126][ T1251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.302252][ T1251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.302385][ T1251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.302513][ T1251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.302641][ T1251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.302770][ T1251]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.302901][ T1251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.303029][ T1251]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.303160][ T1251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.303286][ T1251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.303418][ T1251]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.303549][ T1251]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.303676][ T1251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.303803][ T1251]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.303936][ T1251]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.304065][ T1251]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.304194][ T1251]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.304322][ T1251]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.304454][ T1251]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.304613][ T1251]  ? move_addr_to_kernel (net/socket.c:258)
[   35.304742][ T1251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.304871][ T1251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.305004][ T1251]  ___sys_sendmsg (net/socket.c:2752)
[   35.305131][ T1251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.305289][ T1251]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.305434][ T1251]  __sys_sendmsg (net/socket.c:2784)
[   35.305562][ T1251]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.305688][ T1251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.305848][ T1251]  ? 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)
[   35.305982][ T1251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.306109][ T1251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.306238][ T1251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.306369][ T1251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.306498][ T1251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.306657][ T1251] RIP: 0033:0x7f76f289908e
[   35.306791][ T1251] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.307251][ T1251] RSP: 002b:00007ffcd5af3fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.307448][ T1251] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f76f289908e
[   35.307639][ T1251] RDX: 0000000000000000 RSI: 00007ffcd5af4060 RDI: 0000000000000005
[   35.307828][ T1251] RBP: 00007ffcd5af3fc0 R08: 0000000000000000 R09: 0000000000000000
[   35.308023][ T1251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec28
[   35.308215][ T1251] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd5af4730
| [   35.433690][ T1260] ------------[ cut here ]------------
| [   35.433877][ T1260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1260
| [   35.434247][ T1260] Modules linked in: ip6_gre ip_gre gre
| [   35.434731][ T1260] Tainted: [W]=WARN
[   35.434870][ T1260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.435088][ T1260] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.435298][ T1260] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.435790][ T1260] RSP: 0018:ffa0000001fff060 EFLAGS: 00010286
[   35.436006][ T1260] RAX: 00000000ffffffa6 RBX: ff1100000d15e900 RCX: 1ff40000003ffdd2
[   35.436239][ T1260] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d15e9bc
[   35.436479][ T1260] RBP: ff1100000fea9000 R08: 1fe2200001a2bd39 R09: ff11000012cb0b58
[   35.436709][ T1260] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   35.436954][ T1260] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001fff0f8
[   35.437191][ T1260] FS:  00007fab9ce1f840(0000) GS:ff110000e0dc7000(0000) knlGS:0000000000000000
[   35.437464][ T1260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.437666][ T1260] CR2: 000000000dfb1988 CR3: 000000000504d006 CR4: 0000000000771ef0
[   35.437913][ T1260] PKRU: 55555554
[   35.438055][ T1260] Call Trace:
[   35.438196][ T1260]  <TASK>
[   35.438311][ T1260]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.438497][ T1260]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.438641][ T1260]  netif_close_many (net/core/dev.c:1804)
[   35.438815][ T1260]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.438998][ T1260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.439172][ T1260]  ? __dev_close_many (net/core/dev.c:1781)
[   35.439343][ T1260]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   35.439554][ T1260]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   35.439762][ T1260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.439946][ T1260]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.440147][ T1260]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.440320][ T1260]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.440494][ T1260]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.440699][ T1260]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   35.440870][ T1260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.441057][ T1260]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   35.441230][ T1260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.441407][ T1260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.441578][ T1260]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.441750][ T1260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.441934][ T1260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.442124][ T1260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.442297][ T1260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.442478][ T1260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.442647][ T1260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.442818][ T1260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.443000][ T1260]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   35.443173][ T1260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.443344][ T1260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.443524][ T1260]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.443698][ T1260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.443871][ T1260]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.444056][ T1260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.444229][ T1260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.444407][ T1260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.444577][ T1260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.444751][ T1260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.444933][ T1260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.445107][ T1260]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.445280][ T1260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.445459][ T1260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.445635][ T1260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.445804][ T1260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.445991][ T1260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.446165][ T1260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.446338][ T1260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.446518][ T1260]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.446691][ T1260]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.446865][ T1260]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.447052][ T1260]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.447225][ T1260]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.447402][ T1260]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.447605][ T1260]  ? move_addr_to_kernel (net/socket.c:258)
[   35.447778][ T1260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.447964][ T1260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.448137][ T1260]  ___sys_sendmsg (net/socket.c:2752)
[   35.448308][ T1260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.448518][ T1260]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.448701][ T1260]  __sys_sendmsg (net/socket.c:2784)
[   35.448877][ T1260]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.449062][ T1260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.449267][ T1260]  ? 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)
[   35.449446][ T1260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.449619][ T1260]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.449791][ T1260]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.449997][ T1260]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.450171][ T1260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.450383][ T1260] RIP: 0033:0x7fab9d05908e
[   35.450564][ T1260] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.451061][ T1260] RSP: 002b:00007ffc9b2aa380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.451297][ T1260] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fab9d05908e
[   35.451538][ T1260] RDX: 0000000000000000 RSI: 00007ffc9b2aa430 RDI: 0000000000000005
[   35.451769][ T1260] RBP: 00007ffc9b2aa390 R08: 0000000000000000 R09: 0000000000000000
[   35.452014][ T1260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec28
[   35.452246][ T1260] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9b2aab00
| [   35.469340][ T1260] ------------[ cut here ]------------
| [   35.469493][ T1260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1260
| [   35.469753][ T1260] Modules linked in: ip6_gre ip_gre gre
| [   35.470161][ T1260] Tainted: [W]=WARN
[   35.470259][ T1260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.470425][ T1260] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.470584][ T1260] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.471026][ T1260] RSP: 0018:ffa0000001fff190 EFLAGS: 00010286
[   35.471179][ T1260] RAX: 00000000ffffffa6 RBX: ff110000097c2740 RCX: 1ff40000003ffdf8
[   35.471366][ T1260] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097c27fc
[   35.471546][ T1260] RBP: ff1100000fea9000 R08: 1fe22000012f8501 R09: ff11000012cb0b58
[   35.471724][ T1260] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.471910][ T1260] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.472097][ T1260] FS:  00007fab9ce1f840(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   35.472309][ T1260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.472464][ T1260] CR2: 00007fc3b6a2c574 CR3: 000000000504d001 CR4: 0000000000771ef0
[   35.472647][ T1260] PKRU: 55555554
[   35.472738][ T1260] Call Trace:
[   35.472828][ T1260]  <TASK>
[   35.472898][ T1260]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.473055][ T1260]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.473205][ T1260]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.473329][ T1260]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.473455][ T1260]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.473608][ T1260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.473731][ T1260]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   35.473852][ T1260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.473980][ T1260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.474101][ T1260]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.474221][ T1260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.474342][ T1260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.474485][ T1260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.474606][ T1260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.474726][ T1260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.474845][ T1260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.474974][ T1260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.475095][ T1260]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   35.475217][ T1260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.475337][ T1260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.475462][ T1260]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.475582][ T1260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.475705][ T1260]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.475827][ T1260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.475951][ T1260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.476072][ T1260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.476192][ T1260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.476314][ T1260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.476436][ T1260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.476558][ T1260]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.476678][ T1260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.476799][ T1260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.476930][ T1260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.477051][ T1260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.477174][ T1260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.477297][ T1260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.477421][ T1260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.477542][ T1260]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.477664][ T1260]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.477787][ T1260]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.477915][ T1260]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.478037][ T1260]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.478158][ T1260]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.478306][ T1260]  ? move_addr_to_kernel (net/socket.c:258)
[   35.478431][ T1260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.478552][ T1260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.478673][ T1260]  ___sys_sendmsg (net/socket.c:2752)
[   35.478793][ T1260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.478952][ T1260]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.479084][ T1260]  __sys_sendmsg (net/socket.c:2784)
[   35.479204][ T1260]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.479323][ T1260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.479478][ T1260]  ? 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)
[   35.479598][ T1260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.479718][ T1260]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.479840][ T1260]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.479966][ T1260]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.480085][ T1260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.480235][ T1260] RIP: 0033:0x7fab9d05908e
[   35.480366][ T1260] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.480791][ T1260] RSP: 002b:00007ffc9b2aa380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.480982][ T1260] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fab9d05908e
[   35.481162][ T1260] RDX: 0000000000000000 RSI: 00007ffc9b2aa430 RDI: 0000000000000005
[   35.481344][ T1260] RBP: 00007ffc9b2aa390 R08: 0000000000000000 R09: 0000000000000000
[   35.481526][ T1260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ec28
[   35.481705][ T1260] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9b2aab00
| [   35.558829][   T72] ------------[ cut here ]------------
| [   35.559046][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/72
| [   35.559317][   T72] Modules linked in: ip6_gre ip_gre gre
| [   35.559728][   T72] Tainted: [W]=WARN
[   35.559819][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.559981][   T72] Workqueue: netns cleanup_net
[   35.560110][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.560260][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.560677][   T72] RSP: 0018:ffa00000004d7938 EFLAGS: 00010286
[   35.560823][   T72] RAX: 00000000ffffffa6 RBX: ff1100000be39000 RCX: 1ff400000009aeed
[   35.561002][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be390bc
[   35.561173][   T72] RBP: ff110000058e4000 R08: 1fe22000017c7219 R09: ff110000061fd1d0
[   35.561343][   T72] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   35.561522][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.561695][   T72] FS:  0000000000000000(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   35.561900][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.562044][   T72] CR2: 00007f750856e574 CR3: 000000006ab4d005 CR4: 0000000000771ef0
[   35.562216][   T72] PKRU: 55555554
[   35.562302][   T72] Call Trace:
[   35.562406][   T72]  <TASK>
[   35.562466][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.562613][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.562756][   T72]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.562876][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.563002][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.563116][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.563231][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.563348][   T72]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.563470][   T72]  ? netns_install (./include/linux/ns_common.h:26)
[   35.563583][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.563699][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   35.563814][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.563937][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.564053][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.564167][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.564284][   T72]  process_one_work (kernel/workqueue.c:3314)
[   35.564408][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.564522][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.564641][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.564758][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.564872][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.564995][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.565110][   T72]  kthread (kernel/kthread.c:436)
[   35.565196][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.565343][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.565465][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.565583][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.565726][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.565841][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.565969][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.569077][   T72] ------------[ cut here ]------------
| [   35.569259][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/72
| [   35.569605][   T72] Modules linked in: ip6_gre ip_gre gre
| [   35.570001][   T72] Tainted: [W]=WARN
[   35.570088][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.570232][   T72] Workqueue: netns cleanup_net
[   35.570353][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.570508][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.570924][   T72] RSP: 0018:ffa00000004d7938 EFLAGS: 00010286
[   35.571069][   T72] RAX: 00000000ffffffa6 RBX: ff1100000be38040 RCX: 1ff400000009aeed
[   35.571290][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be380fc
[   35.571509][   T72] RBP: ff11000010be9000 R08: 1fe22000017c7021 R09: ff110000061fd1d0
[   35.571680][   T72] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   35.571851][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.572033][   T72] FS:  0000000000000000(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   35.572234][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.572389][   T72] CR2: 00007f750856e574 CR3: 000000006ab4d005 CR4: 0000000000771ef0
[   35.572635][   T72] PKRU: 55555554
[   35.572730][   T72] Call Trace:
[   35.572816][   T72]  <TASK>
[   35.572880][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.573090][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.573234][   T72]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.573352][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.573499][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.573665][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.573831][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.574022][   T72]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.574202][   T72]  ? netns_install (./include/linux/ns_common.h:26)
[   35.574350][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.574507][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   35.574668][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.574782][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.574906][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.575025][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.575144][   T72]  process_one_work (kernel/workqueue.c:3314)
[   35.575271][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.575442][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.575619][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.575742][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.575856][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.575983][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.576098][   T72]  kthread (kernel/kthread.c:436)
[   35.576201][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.576345][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.576470][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.576586][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.576782][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.576907][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.577067][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.579649][   T72] ------------[ cut here ]------------
| [   35.579790][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/72
| [   35.580203][   T72] Modules linked in: ip6_gre ip_gre gre
| [   35.580591][   T72] Tainted: [W]=WARN
[   35.580678][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.580822][   T72] Workqueue: netns cleanup_net
[   35.581037][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.581235][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.581724][   T72] RSP: 0018:ffa00000004d7938 EFLAGS: 00010286
[   35.581869][   T72] RAX: 00000000ffffffa6 RBX: ff1100000be39540 RCX: 1ff400000009aeed
[   35.582092][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be395fc
[   35.582272][   T72] RBP: ff1100000fd74000 R08: 1fe22000017c72c1 R09: ff110000061fd1d0
[   35.582564][   T72] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   35.582734][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.582955][   T72] FS:  0000000000000000(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   35.583160][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.583371][   T72] CR2: 00007f750856e574 CR3: 000000006ab4d005 CR4: 0000000000771ef0
[   35.583555][   T72] PKRU: 55555554
[   35.583645][   T72] Call Trace:
[   35.583731][   T72]  <TASK>
[   35.583792][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.584013][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.584224][   T72]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.584365][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.584485][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.584599][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.584714][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.584833][   T72]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.584999][   T72]  ? netns_install (./include/linux/ns_common.h:26)
[   35.585114][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.585231][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   35.585345][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.585503][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.585642][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.585762][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.585996][   T72]  process_one_work (kernel/workqueue.c:3314)
[   35.586115][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.586229][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.586349][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.586470][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.586585][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.586738][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.586944][   T72]  kthread (kernel/kthread.c:436)
[   35.587032][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.587174][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.587288][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.587415][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.587560][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.587674][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.587790][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.590228][   T72] ------------[ cut here ]------------
| [   35.590350][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/72
| [   35.590586][   T72] Modules linked in: ip6_gre ip_gre gre
| [   35.590976][   T72] Tainted: [W]=WARN
[   35.591063][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.591206][   T72] Workqueue: netns cleanup_net
[   35.591325][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.591478][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.591881][   T72] RSP: 0018:ffa00000004d7938 EFLAGS: 00010286
[   35.592033][   T72] RAX: 00000000ffffffa6 RBX: ff1100000c9918c0 RCX: 1ff400000009aeed
[   35.592206][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c99197c
[   35.592381][   T72] RBP: ff11000005fc9000 R08: 1fe2200001932331 R09: ff110000061fd1d0
[   35.592550][   T72] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.592720][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.592902][   T72] FS:  0000000000000000(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   35.593107][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.593255][   T72] CR2: 00005608d5137d5c CR3: 00000000107ef002 CR4: 0000000000771ef0
[   35.593431][   T72] PKRU: 55555554
[   35.593517][   T72] Call Trace:
[   35.593601][   T72]  <TASK>
[   35.593660][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.593803][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.593950][   T72]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.594067][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.594182][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.594295][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.594419][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.594535][   T72]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.594651][   T72]  ? netns_install (./include/linux/ns_common.h:26)
[   35.594765][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.594882][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   35.595005][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.595119][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.595234][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.595350][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.595470][   T72]  process_one_work (kernel/workqueue.c:3314)
[   35.595589][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.595705][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.595825][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.595947][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.596061][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.596179][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.596296][   T72]  kthread (kernel/kthread.c:436)
[   35.596389][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.596531][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.596646][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.596761][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.596910][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.597025][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.597142][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.607574][   T72] ------------[ cut here ]------------
| [   35.607695][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/72
| [   35.607931][   T72] Modules linked in: ip6_gre ip_gre gre
| [   35.608364][   T72] Tainted: [W]=WARN
[   35.608452][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.608593][   T72] Workqueue: netns cleanup_net
[   35.608712][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.608859][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.609269][   T72] RSP: 0018:ffa00000004d7938 EFLAGS: 00010286
[   35.609418][   T72] RAX: 00000000ffffffa6 RBX: ff1100000282a580 RCX: 1ff400000009aeed
[   35.609588][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282a63c
[   35.609757][   T72] RBP: ff11000008bc1000 R08: 1fe22000005054c9 R09: ff110000061fd1d0
[   35.609935][   T72] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.610105][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.610276][   T72] FS:  0000000000000000(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   35.610479][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.610621][   T72] CR2: 00005608d5137d5c CR3: 00000000107ef002 CR4: 0000000000771ef0
[   35.610792][   T72] PKRU: 55555554
[   35.610876][   T72] Call Trace:
[   35.610966][   T72]  <TASK>
[   35.611027][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.611173][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.611315][   T72]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.611437][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.611553][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.611667][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.611781][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.611900][   T72]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.612017][   T72]  ? netns_install (./include/linux/ns_common.h:26)
[   35.612130][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.612247][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   35.612367][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.612481][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.612597][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.612711][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.612828][   T72]  process_one_work (kernel/workqueue.c:3314)
[   35.612952][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.613064][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.613188][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.613303][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.613422][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.613537][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.613650][   T72]  kthread (kernel/kthread.c:436)
[   35.613738][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.613881][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.614001][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.614115][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.614257][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.614379][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.614498][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.617007][   T72] ------------[ cut here ]------------
| [   35.617123][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/72
| [   35.617346][   T72] Modules linked in: ip6_gre ip_gre gre
| [   35.617737][   T72] Tainted: [W]=WARN
[   35.617827][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.617974][   T72] Workqueue: netns cleanup_net
[   35.618096][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.618243][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.618661][   T72] RSP: 0018:ffa00000004d7938 EFLAGS: 00010286
[   35.618806][   T72] RAX: 00000000ffffffa6 RBX: ff1100000282ac80 RCX: 1ff400000009aeed
[   35.618986][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282ad3c
[   35.619160][   T72] RBP: ff11000009264000 R08: 1fe22000005055a9 R09: ff110000061fd1d0
[   35.619334][   T72] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.619504][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.619676][   T72] FS:  0000000000000000(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   35.619874][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.620077][   T72] CR2: 00005608d5137d5c CR3: 00000000107ef002 CR4: 0000000000771ef0
[   35.620250][   T72] PKRU: 55555554
[   35.620337][   T72] Call Trace:
[   35.620428][   T72]  <TASK>
[   35.620487][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.620631][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.620777][   T72]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.620936][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.621053][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.621166][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.621324][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.621449][   T72]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.621567][   T72]  ? netns_install (./include/linux/ns_common.h:26)
[   35.621726][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.621848][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   35.622009][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.622127][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.622242][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.622362][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.622481][   T72]  process_one_work (kernel/workqueue.c:3314)
[   35.622598][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.622755][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.622875][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.623039][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.623154][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.623271][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.623470][   T72]  kthread (kernel/kthread.c:436)
[   35.623557][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.623700][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.623816][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.623977][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.624121][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.624234][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.624351][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.626931][   T72] ------------[ cut here ]------------
| [   35.627065][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/72
| [   35.627295][   T72] Modules linked in: ip6_gre ip_gre gre
| [   35.627682][   T72] Tainted: [W]=WARN
[   35.627768][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.627920][   T72] Workqueue: netns cleanup_net
[   35.628042][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.628189][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.628600][   T72] RSP: 0018:ffa00000004d7938 EFLAGS: 00010286
[   35.628743][   T72] RAX: 00000000ffffffa6 RBX: ff1100000282aac0 RCX: 1ff400000009aeed
[   35.628923][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282ab7c
[   35.629101][   T72] RBP: ff1100000a8e4000 R08: 1fe2200000505571 R09: ff110000061fd1d0
[   35.629282][   T72] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   35.629462][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.629659][   T72] FS:  0000000000000000(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   35.629866][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.630097][   T72] CR2: 00007ffeeefef9b8 CR3: 000000000e0ae005 CR4: 0000000000771ef0
[   35.630274][   T72] PKRU: 55555554
[   35.630361][   T72] Call Trace:
[   35.630447][   T72]  <TASK>
[   35.630508][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.630654][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.630795][   T72]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.630975][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.631093][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.631275][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.631394][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.631512][   T72]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.631628][   T72]  ? netns_install (./include/linux/ns_common.h:26)
[   35.631745][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.631860][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   35.632028][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.632145][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.632260][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.632383][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.632504][   T72]  process_one_work (kernel/workqueue.c:3314)
[   35.632621][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.632733][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.632851][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.633019][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.633133][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.633248][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.633364][   T72]  kthread (kernel/kthread.c:436)
[   35.633452][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.633593][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.633707][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.633823][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.634018][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.634132][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.634248][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.636500][   T72] ------------[ cut here ]------------
| [   35.636629][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/72
| [   35.636859][   T72] Modules linked in: ip6_gre ip_gre gre
| [   35.637250][   T72] Tainted: [W]=WARN
[   35.637335][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.637484][   T72] Workqueue: netns cleanup_net
[   35.637606][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.637755][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.638167][   T72] RSP: 0018:ffa00000004d7938 EFLAGS: 00010286
[   35.638315][   T72] RAX: 00000000ffffffa6 RBX: ff1100000282a040 RCX: 1ff400000009aeed
[   35.638490][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000282a0fc
[   35.638659][   T72] RBP: ff11000009d31000 R08: 1fe2200000505421 R09: ff110000061fd1d0
[   35.638828][   T72] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   35.639006][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.639178][   T72] FS:  0000000000000000(0000) GS:ff110000e0d47000(0000) knlGS:0000000000000000
[   35.639382][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.639529][   T72] CR2: 00007ffeeefef9b8 CR3: 000000000e0ae005 CR4: 0000000000771ef0
[   35.639701][   T72] PKRU: 55555554
[   35.639786][   T72] Call Trace:
[   35.639873][   T72]  <TASK>
[   35.639942][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.640090][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.640237][   T72]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.640402][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.640534][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.640649][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.640764][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.640881][   T72]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.641011][   T72]  ? netns_install (./include/linux/ns_common.h:26)
[   35.641124][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.641242][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   35.641362][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.641476][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.641592][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.641705][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.641821][   T72]  process_one_work (kernel/workqueue.c:3314)
[   35.641945][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.642065][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.642184][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.642300][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.642418][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.642534][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.642650][   T72]  kthread (kernel/kthread.c:436)
[   35.642737][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.642878][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.643000][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.643116][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.643256][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.643376][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.643492][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.646941][   T72] ------------[ cut here ]------------
| [   35.647074][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/72
| [   35.647306][   T72] Modules linked in: ip6_gre ip_gre gre
| [   35.647700][   T72] Tainted: [W]=WARN
[   35.647788][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.647946][   T72] Workqueue: netns cleanup_net
[   35.648069][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.648227][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.648644][   T72] RSP: 0018:ffa00000004d7938 EFLAGS: 00010286
[   35.648791][   T72] RAX: 00000000ffffffa6 RBX: ff1100000e1758c0 RCX: 1ff400000009aeed
[   35.648975][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e17597c
[   35.649148][   T72] RBP: ff1100000a381000 R08: 1fe2200001c2eb31 R09: ff110000061fd1d0
[   35.649317][   T72] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   35.649495][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.649675][   T72] FS:  0000000000000000(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   35.649876][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.650033][   T72] CR2: 00005608d5137d5c CR3: 000000000febb002 CR4: 0000000000771ef0
[   35.650209][   T72] PKRU: 55555554
[   35.650298][   T72] Call Trace:
[   35.650391][   T72]  <TASK>
[   35.650451][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.650597][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.650742][   T72]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.650858][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.650982][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.651101][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.651245][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.651366][   T72]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.651483][   T72]  ? netns_install (./include/linux/ns_common.h:26)
[   35.651598][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.651716][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   35.651833][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.651952][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.652073][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.652193][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.652314][   T72]  process_one_work (kernel/workqueue.c:3314)
[   35.652450][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.652565][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.652690][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.652811][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.652933][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.653052][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.653166][   T72]  kthread (kernel/kthread.c:436)
[   35.653254][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.653407][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.653527][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.653642][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.653787][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.653910][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.654032][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.674774][   T72] ------------[ cut here ]------------
| [   35.674921][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/72
| [   35.675171][   T72] Modules linked in: ip6_gre ip_gre gre
| [   35.675581][   T72] Tainted: [W]=WARN
[   35.675674][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.675825][   T72] Workqueue: netns cleanup_net
[   35.676041][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.676201][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.676640][   T72] RSP: 0018:ffa00000004d7748 EFLAGS: 00010286
[   35.676793][   T72] RAX: 00000000ffffffa6 RBX: ff1100000e174900 RCX: 1ff400000009aeaf
[   35.677053][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e1749bc
[   35.677234][   T72] RBP: ff11000009359000 R08: 1fe2200001c2e939 R09: ff110000061fd1d0
[   35.677490][   T72] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   35.677672][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004d77e0
[   35.677855][   T72] FS:  0000000000000000(0000) GS:ff110000e0cc7000(0000) knlGS:0000000000000000
[   35.678154][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.678308][   T72] CR2: 00007f7107dfcf98 CR3: 000000006ab4d005 CR4: 0000000000771ef0
[   35.678495][   T72] PKRU: 55555554
[   35.678586][   T72] Call Trace:
[   35.678678][   T72]  <TASK>
[   35.678742][   T72]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.678865][   T72]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.679028][   T72]  netif_close_many (net/core/dev.c:1804)
[   35.679151][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.679272][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.679398][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.679519][   T72]  ? __dev_close_many (net/core/dev.c:1781)
[   35.679643][   T72]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   35.679795][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   35.680027][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.680149][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.680270][   T72]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   35.680397][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.680550][   T72]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.680679][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   35.680803][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   35.681085][   T72]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.681206][   T72]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   35.681331][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   35.681458][   T72]  ? netns_install (./include/linux/ns_common.h:26)
[   35.681578][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.681701][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   35.681822][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.682039][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.682162][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.682282][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.682410][   T72]  process_one_work (kernel/workqueue.c:3314)
[   35.682536][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.682655][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.682780][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.683001][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.683122][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.683246][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.683369][   T72]  kthread (kernel/kthread.c:436)
[   35.683460][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.683611][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.683731][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.683852][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.684100][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.684223][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.684343][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.688516][   T72] ------------[ cut here ]------------
| [   35.688650][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/72
| [   35.689031][   T72] Modules linked in: ip6_gre ip_gre gre
| [   35.689484][   T72] Tainted: [W]=WARN
[   35.689572][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.689721][   T72] Workqueue: netns cleanup_net
[   35.689846][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.690053][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.690477][   T72] RSP: 0018:ffa00000004d7878 EFLAGS: 00010286
[   35.690623][   T72] RAX: 00000000ffffffa6 RBX: ff1100000c109700 RCX: 1ff400000009aed5
[   35.690796][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1097bc
[   35.691021][   T72] RBP: ff11000009359000 R08: 1fe22000018212f9 R09: ff110000061fd1d0
[   35.691242][   T72] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.691420][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.691594][   T72] FS:  0000000000000000(0000) GS:ff110000e0e47000(0000) knlGS:0000000000000000
[   35.691797][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.691992][   T72] CR2: 00007f1ed2a54680 CR3: 000000006ab4d005 CR4: 0000000000771ef0
[   35.692170][   T72] PKRU: 55555554
[   35.692257][   T72] Call Trace:
[   35.692344][   T72]  <TASK>
[   35.692409][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.692560][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.692708][   T72]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.692828][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   35.692998][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   35.693117][   T72]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.693235][   T72]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   35.693354][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   35.693478][   T72]  ? netns_install (./include/linux/ns_common.h:26)
[   35.693608][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.693729][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   35.693846][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.694009][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.694128][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.694244][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.694366][   T72]  process_one_work (kernel/workqueue.c:3314)
[   35.694487][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.694604][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.694726][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.694845][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.695010][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.695130][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.695249][   T72]  kthread (kernel/kthread.c:436)
[   35.695338][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.695495][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.695614][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.695731][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.695877][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.696041][   T72]  ? 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:unregister_netdevice_many_notify:rtnl_dellink:rtnetlink_rcv_msg:netlink_rcv_skb
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:rtnetlink_event:notifier_call_chain:netif_set_mtu_ext:netif_set_mtu
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:rtnl_dellink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6gre_init_net
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