======================================
| xx__-> [    9.169248][  T187] ------------[ cut here ]------------
| [    9.169609][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/187
| [    9.169951][  T187] Modules linked in: veth
| [    9.170639][  T187] Tainted: [W]=WARN
[    9.170806][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.171060][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.171410][  T187] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.172228][  T187] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[    9.172571][  T187] RAX: 00000000ffffffa6 RBX: ff110000089da580 RCX: 1ff4000000112d8c
[    9.172835][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000089da638
[    9.173263][  T187] RBP: ff11000008799000 R08: 1fe220000113b4c8 R09: ff1100000c50d180
[    9.173630][  T187] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.174022][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000055bee00
[    9.174290][  T187] FS:  00007fcd9736e840(0000) GS:ff1100008dcb0000(0000) knlGS:0000000000000000
[    9.174592][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.174821][  T187] CR2: 000000000042ebe0 CR3: 000000000ca28003 CR4: 0000000000771ef0
[    9.175109][  T187] PKRU: 55555554
[    9.175269][  T187] Call Trace:
[    9.175530][  T187]  <TASK>
[    9.175652][  T187]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.175901][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.176094][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.176250][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.176448][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.176636][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[    9.176938][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.177132][  T187]  ? netif_change_name (net/core/dev.c:1495)
[    9.177332][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.177525][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.177714][  T187]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.177924][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.178210][  T187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.178504][  T187]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.178698][  T187] veth_newlink (drivers/net/veth.c:1871) veth
[    9.179099][  T187]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.179329][  T187]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.179521][  T187]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.179709][  T187]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.179935][  T187]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.180224][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.180618][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.180808][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.181113][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.181410][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.181604][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.181908][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.182097][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.182402][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.182595][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.182786][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.183037][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.183234][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.183529][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.183717][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.183935][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.184131][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.184328][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.184518][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.184799][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.185106][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.185306][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.185494][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.185782][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.186005][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.186195][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.186401][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.186686][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.186905][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.187096][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.187287][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.187487][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.187677][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.188002][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.188204][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.188500][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.188689][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.188935][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[    9.189133][  T187]  ___sys_sendmsg (net/socket.c:2752)
[    9.189328][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.189517][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.189719][  T187]  __sys_sendmsg (net/socket.c:2784)
[    9.189933][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.190124][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.190319][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.190516][  T187]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.190703][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.190915][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.191198][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.191493][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.191683][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.191896][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.192211][  T187] RIP: 0033:0x7fcd975a808e
[    9.192417][  T187] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.192979][  T187] RSP: 002b:00007fffa47b9990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.193236][  T187] RAX: ffffffffffffffda RBX: 00007fffa47ba128 RCX: 00007fcd975a808e
[    9.193505][  T187] RDX: 0000000000000000 RSI: 00007fffa47b9a40 RDI: 0000000000000005
[    9.193760][  T187] RBP: 00007fffa47b99a0 R08: 0000000000000000 R09: 0000000000000000
[    9.194134][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9b0
[    9.194593][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa47ba100
| [    9.212269][  T187] ------------[ cut here ]------------
| [    9.212487][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/187
| [    9.212774][  T187] Modules linked in: veth
| [    9.213292][  T187] Tainted: [W]=WARN
[    9.213450][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.213671][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.214351][  T187] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.214906][  T187] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[    9.215127][  T187] RAX: 00000000ffffffa6 RBX: ff1100000a29f8c0 RCX: 1ff4000000112dfc
[    9.215392][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a29f978
[    9.215643][  T187] RBP: ff11000005a04000 R08: 1fe2200001453f30 R09: ff1100000c50d180
[    9.215917][  T187] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.216168][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.216432][  T187] FS:  00007fcd9736e840(0000) GS:ff1100008dcb0000(0000) knlGS:0000000000000000
[    9.216719][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.216967][  T187] CR2: 000000000042ebe0 CR3: 000000000ca28003 CR4: 0000000000771ef0
[    9.217223][  T187] PKRU: 55555554
[    9.217385][  T187] Call Trace:
[    9.217535][  T187]  <TASK>
[    9.217654][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.217845][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.218022][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[    9.218213][  T187]  ? netif_change_name (net/core/dev.c:1495)
[    9.218409][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.218614][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.218804][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.219016][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.219202][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.219399][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.219584][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.219776][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.219990][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.220179][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.220374][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.220563][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.220747][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.220954][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.221146][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.221347][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.221533][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.221718][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.221926][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.222112][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.222306][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.222492][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.222680][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.222892][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.223078][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.223267][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.223461][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.223649][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.223837][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.224050][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.224240][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.224438][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.224627][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.224817][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.225028][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.225214][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.225441][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[    9.225632][  T187]  ___sys_sendmsg (net/socket.c:2752)
[    9.225818][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.226027][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.226227][  T187]  __sys_sendmsg (net/socket.c:2784)
[    9.226430][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.226614][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.226797][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.227006][  T187]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.227192][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.227391][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.227578][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.227765][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.227970][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.228158][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.228392][  T187] RIP: 0033:0x7fcd975a808e
[    9.228584][  T187] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.229140][  T187] RSP: 002b:00007fffa47b9990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.229404][  T187] RAX: ffffffffffffffda RBX: 00007fffa47ba128 RCX: 00007fcd975a808e
[    9.229653][  T187] RDX: 0000000000000000 RSI: 00007fffa47b9a40 RDI: 0000000000000005
[    9.229928][  T187] RBP: 00007fffa47b99a0 R08: 0000000000000000 R09: 0000000000000000
[    9.230182][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9b0
[    9.230442][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa47ba100
| [    9.424678][  T195] ------------[ cut here ]------------
| [    9.424898][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/195
| [    9.425160][  T195] Modules linked in: veth
| [    9.425572][  T195] Tainted: [W]=WARN
[    9.425682][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.425868][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.426063][  T195] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.426573][  T195] RSP: 0018:ffa0000000846e30 EFLAGS: 00010286
[    9.426761][  T195] RAX: 00000000ffffffa6 RBX: ff1100000b1a6740 RCX: 1ff4000000108d8c
[    9.426985][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b1a67f8
[    9.427196][  T195] RBP: ff1100000a1c4000 R08: 1fe2200001634d00 R09: ff11000004c42e80
[    9.427416][  T195] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.427630][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a676e00
[    9.427848][  T195] FS:  00007f8c57667840(0000) GS:ff1100008dbb0000(0000) knlGS:0000000000000000
[    9.428111][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.428294][  T195] CR2: 000055a1da6892d8 CR3: 000000000a4c0001 CR4: 0000000000771ef0
[    9.428509][  T195] PKRU: 55555554
[    9.428616][  T195] Call Trace:
[    9.428726][  T195]  <TASK>
[    9.428802][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.428961][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.429069][  T195]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.429247][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[    9.429396][  T195]  ? netif_change_name (net/core/dev.c:1495)
[    9.429535][  T195]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.429679][  T195]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.429821][  T195]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.429978][  T195]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.430122][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.430265][  T195]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.430414][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.430554][  T195]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.430696][  T195]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.430842][  T195] veth_newlink (drivers/net/veth.c:1871) veth
[    9.430998][  T195]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.431173][  T195]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.431337][  T195]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.431482][  T195]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.431642][  T195]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.431787][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.431946][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.432086][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.432229][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.432378][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.432523][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.432665][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.432807][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.432968][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.433113][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.433259][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.433404][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.433546][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.433685][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.433825][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.433983][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.434128][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.434273][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.434418][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.434561][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.434700][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.434844][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.434995][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.435141][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.435289][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.435431][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.435578][  T195]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.435719][  T195]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.435869][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.436018][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.436158][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.436306][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.436449][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.436590][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.436734][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.436888][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.437028][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.437203][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[    9.437355][  T195]  ___sys_sendmsg (net/socket.c:2752)
[    9.437496][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.437636][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.437787][  T195]  ? 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))
[    9.437941][  T195]  __sys_sendmsg (net/socket.c:2784)
[    9.438083][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.438228][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.438376][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.438518][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.438658][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.438801][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.438975][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.439151][  T195] RIP: 0033:0x7f8c578a108e
[    9.439312][  T195] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.439818][  T195] RSP: 002b:00007ffc97cffa80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.440042][  T195] RAX: ffffffffffffffda RBX: 00007ffc97d00218 RCX: 00007f8c578a108e
[    9.440254][  T195] RDX: 0000000000000000 RSI: 00007ffc97cffb30 RDI: 0000000000000005
[    9.440467][  T195] RBP: 00007ffc97cffa90 R08: 0000000000000000 R09: 0000000000000000
[    9.440676][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9b0
[    9.440899][  T195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc97d001f0
| [    9.453718][  T195] ------------[ cut here ]------------
| [    9.453907][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/195
| [    9.454156][  T195] Modules linked in: veth
| [    9.454545][  T195] Tainted: [W]=WARN
[    9.454648][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.454817][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.455014][  T195] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.455515][  T195] RSP: 0018:ffa00000008471b0 EFLAGS: 00010286
[    9.455685][  T195] RAX: 00000000ffffffa6 RBX: ff1100000c36d8c0 RCX: 1ff4000000108dfc
[    9.456230][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c36d978
[    9.456440][  T195] RBP: ff1100000a19c000 R08: 1fe220000186db30 R09: ff11000004c42e80
[    9.456643][  T195] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.456844][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.457063][  T195] FS:  00007f8c57667840(0000) GS:ff1100008dd30000(0000) knlGS:0000000000000000
[    9.457312][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.457483][  T195] CR2: 000055b69fbdd708 CR3: 000000000a4c0004 CR4: 0000000000771ef0
[    9.457689][  T195] PKRU: 55555554
[    9.457793][  T195] Call Trace:
[    9.457909][  T195]  <TASK>
[    9.457981][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.458124][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.458234][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[    9.458403][  T195]  ? netif_change_name (net/core/dev.c:1495)
[    9.458542][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.458681][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.458823][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.458976][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.459125][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.459267][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.459412][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.459557][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.459699][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.459839][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.459990][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.460129][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.460266][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.460411][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.460555][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.460695][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.460834][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.460982][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.461122][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.461259][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.461402][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.461541][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.461680][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.461821][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.461971][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.462113][  T195]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.462254][  T195]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.462397][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.462537][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.462674][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.462815][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.462965][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.463106][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.463248][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.463391][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.463529][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.463700][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[    9.463842][  T195]  ___sys_sendmsg (net/socket.c:2752)
[    9.464014][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.464153][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.464302][  T195]  ? 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))
[    9.464443][  T195]  __sys_sendmsg (net/socket.c:2784)
[    9.464584][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.464726][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.464870][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.465014][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.465152][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.465297][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.465437][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.465607][  T195] RIP: 0033:0x7f8c578a108e
[    9.465753][  T195] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.466257][  T195] RSP: 002b:00007ffc97cffa80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.466467][  T195] RAX: ffffffffffffffda RBX: 00007ffc97d00218 RCX: 00007f8c578a108e
[    9.466673][  T195] RDX: 0000000000000000 RSI: 00007ffc97cffb30 RDI: 0000000000000005
[    9.466889][  T195] RBP: 00007ffc97cffa90 R08: 0000000000000000 R09: 0000000000000000
[    9.467125][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9b0


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink