======================================
| xx__-> [    9.477162][  T188] ------------[ cut here ]------------
| [    9.477916][  T188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/188
| [    9.478205][  T188] Modules linked in: veth
| [    9.478722][  T188] Tainted: [W]=WARN
[    9.478833][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.479029][  T188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.479324][  T188] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.479834][  T188] RSP: 0018:ffa0000000966e30 EFLAGS: 00010286
[    9.480082][  T188] RAX: 00000000ffffffa6 RBX: ff1100000b0bd380 RCX: 1ff400000012cd8c
[    9.480305][  T188] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0bd438
[    9.480633][  T188] RBP: ff1100000894c000 R08: 1fe2200001617a88 R09: ff1100000cca0b80
[    9.480851][  T188] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.481075][  T188] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000089df880
[    9.481301][  T188] FS:  00007fd0dd562840(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[    9.481618][  T188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.481801][  T188] CR2: 00005561125eed50 CR3: 000000000b107001 CR4: 0000000000771ef0
[    9.482024][  T188] PKRU: 55555554
[    9.482153][  T188] Call Trace:
[    9.482267][  T188]  <TASK>
[    9.482416][  T188]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.482603][  T188]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.482750][  T188]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.482883][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.483045][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.483191][  T188]  __dev_notify_flags (net/core/dev.c:9787)
[    9.483431][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.483577][  T188]  ? netif_change_name (net/core/dev.c:1495)
[    9.483722][  T188]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.483871][  T188]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.484062][  T188]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[    9.484249][  T188]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.484464][  T188]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.484610][  T188]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.484756][  T188] veth_newlink (drivers/net/veth.c:1871) veth
[    9.484903][  T188]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.485089][  T188]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.485240][  T188]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.485492][  T188]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.485656][  T188]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.485803][  T188]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.485955][  T188]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.486100][  T188]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.486246][  T188]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.486516][  T188]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.486666][  T188]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.486808][  T188]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.486960][  T188]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.487110][  T188]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.487257][  T188]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.487472][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.487615][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.487759][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.487901][  T188]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.488049][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.488200][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.488412][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.488557][  T188]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.488703][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.488849][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.488998][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.489145][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.489295][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.489503][  T188]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.489651][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.489798][  T188]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.489954][  T188]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.490102][  T188]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.490250][  T188]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.490466][  T188]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.490613][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.490761][  T188]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.490908][  T188]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.491063][  T188]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.491214][  T188]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.491429][  T188]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.491574][  T188]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.491755][  T188]  ? move_addr_to_kernel (net/socket.c:258)
[    9.491905][  T188]  ___sys_sendmsg (net/socket.c:2752)
[    9.492057][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.492200][  T188]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.492426][  T188]  __sys_sendmsg (net/socket.c:2784)
[    9.492574][  T188]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.492719][  T188]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.492863][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.493012][  T188]  ? 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)
[    9.493159][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.493372][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.493519][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.493664][  T188]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.493807][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.493958][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.494139][  T188] RIP: 0033:0x7fd0dd79c08e
[    9.494296][  T188] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.494898][  T188] RSP: 002b:00007ffe4f1130f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.495122][  T188] RAX: ffffffffffffffda RBX: 00007ffe4f113888 RCX: 00007fd0dd79c08e
[    9.495370][  T188] RDX: 0000000000000000 RSI: 00007ffe4f1131a0 RDI: 0000000000000005
[    9.495585][  T188] RBP: 00007ffe4f113100 R08: 0000000000000000 R09: 0000000000000000
[    9.495802][  T188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce06
[    9.496030][  T188] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4f113860
| [    9.513804][  T188] ------------[ cut here ]------------
| [    9.513986][  T188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/188
| [    9.514229][  T188] Modules linked in: veth
| [    9.514742][  T188] Tainted: [W]=WARN
[    9.514851][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.515033][  T188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.515215][  T188] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.515729][  T188] RSP: 0018:ffa00000009671b0 EFLAGS: 00010286
[    9.515910][  T188] RAX: 00000000ffffffa6 RBX: ff11000009bc43c0 RCX: 1ff400000012cdfc
[    9.516128][  T188] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009bc4478
[    9.516350][  T188] RBP: ff11000009651000 R08: 1fe2200001378890 R09: ff1100000cca0b80
[    9.516560][  T188] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.516769][  T188] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.516988][  T188] FS:  00007fd0dd562840(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[    9.517241][  T188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.517435][  T188] CR2: 00005561125eed50 CR3: 000000000b107001 CR4: 0000000000771ef0
[    9.517644][  T188] PKRU: 55555554
[    9.517754][  T188] Call Trace:
[    9.517860][  T188]  <TASK>
[    9.517938][  T188]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.518083][  T188]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.518190][  T188]  __dev_notify_flags (net/core/dev.c:9787)
[    9.518341][  T188]  ? netif_change_name (net/core/dev.c:1495)
[    9.518488][  T188]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.518628][  T188]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.518774][  T188]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.518915][  T188]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.519062][  T188]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.519201][  T188]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.519355][  T188]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.519502][  T188]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.519648][  T188]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.519789][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.519938][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.520081][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.520221][  T188]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.520420][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.520590][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.520764][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.520905][  T188]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.521057][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.521196][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.521345][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.521487][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.521626][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.521766][  T188]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.521904][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.522049][  T188]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.522194][  T188]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.522344][  T188]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.522487][  T188]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.522629][  T188]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.522769][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.522911][  T188]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.523059][  T188]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.523200][  T188]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.523353][  T188]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.523495][  T188]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.523635][  T188]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.523810][  T188]  ? move_addr_to_kernel (net/socket.c:258)
[    9.523963][  T188]  ___sys_sendmsg (net/socket.c:2752)
[    9.524103][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.524244][  T188]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.524408][  T188]  __sys_sendmsg (net/socket.c:2784)
[    9.524550][  T188]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.524690][  T188]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.524828][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.524974][  T188]  ? 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)
[    9.525114][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.525253][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.525409][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.525553][  T188]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.525694][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.525852][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.526036][  T188] RIP: 0033:0x7fd0dd79c08e
[    9.526182][  T188] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.526700][  T188] RSP: 002b:00007ffe4f1130f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.526915][  T188] RAX: ffffffffffffffda RBX: 00007ffe4f113888 RCX: 00007fd0dd79c08e
[    9.527128][  T188] RDX: 0000000000000000 RSI: 00007ffe4f1131a0 RDI: 0000000000000005
[    9.527348][  T188] RBP: 00007ffe4f113100 R08: 0000000000000000 R09: 0000000000000000
[    9.527558][  T188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce06
[    9.527770][  T188] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4f113860
| [    9.656109][  T194] ------------[ cut here ]------------
| [    9.656331][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.656594][  T194] Modules linked in: veth
| [    9.657015][  T194] Tainted: [W]=WARN
[    9.657126][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.657327][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.657520][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.658049][  T194] RSP: 0018:ffa00000008e6e30 EFLAGS: 00010286
[    9.658234][  T194] RAX: 00000000ffffffa6 RBX: ff11000009ca5000 RCX: 1ff400000011cd8c
[    9.658460][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009ca50b8
[    9.658676][  T194] RBP: ff11000009cd9000 R08: 1fe2200001394a18 R09: ff1100000c365180
[    9.658891][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.659111][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009aeb880
[    9.659415][  T194] FS:  00007f20b3478840(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[    9.659671][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.659852][  T194] CR2: 000000000042ebe0 CR3: 000000000cffa004 CR4: 0000000000771ef0
[    9.660078][  T194] PKRU: 55555554
[    9.660187][  T194] Call Trace:
[    9.660304][  T194]  <TASK>
[    9.660385][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.660534][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.660644][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.660824][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.660974][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.661118][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.661268][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.661418][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.661563][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.661708][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.661854][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.662003][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.662149][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.662302][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.662482][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.662629][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.662810][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.662961][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.663130][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.663299][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.663450][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.663597][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.663742][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.663891][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.664042][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.664188][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.664344][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.664487][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.664636][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.664784][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.664935][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.665078][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.665223][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.665377][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.665522][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.665670][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.665816][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.665967][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.666110][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.666253][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.666408][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.666557][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.666699][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.666847][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.666998][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.667142][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.667293][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.667445][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.667591][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.667738][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.667884][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.668037][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.668182][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.668339][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.668487][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.668632][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.668777][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.668961][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.669111][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.669254][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.669410][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.669566][  T194]  ? 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))
[    9.669714][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.669860][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.670013][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.670158][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.670306][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.670515][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.670659][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.670803][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.670990][  T194] RIP: 0033:0x7f20b36b208e
[    9.671144][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.671669][  T194] RSP: 002b:00007fff8f3cfb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.671886][  T194] RAX: ffffffffffffffda RBX: 00007fff8f3d02b8 RCX: 00007f20b36b208e
[    9.672110][  T194] RDX: 0000000000000000 RSI: 00007fff8f3cfbd0 RDI: 0000000000000005
[    9.672335][  T194] RBP: 00007fff8f3cfb30 R08: 0000000000000000 R09: 0000000000000000
[    9.672553][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce06
[    9.672782][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8f3d0290
| [    9.687212][  T194] ------------[ cut here ]------------
| [    9.687399][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.687644][  T194] Modules linked in: veth
| [    9.688052][  T194] Tainted: [W]=WARN
[    9.688159][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.688871][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.689063][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.689636][  T194] RSP: 0018:ffa00000008e71b0 EFLAGS: 00010286
[    9.689818][  T194] RAX: 00000000ffffffa6 RBX: ff11000004af23c0 RCX: 1ff400000011cdfc
[    9.690035][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004af2478
[    9.690243][  T194] RBP: ff11000008849000 R08: 1fe220000095e490 R09: ff1100000c365180
[    9.690539][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.690753][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.691034][  T194] FS:  00007f20b3478840(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[    9.691285][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.691530][  T194] CR2: 000000000042ebe0 CR3: 000000000cffa004 CR4: 0000000000771ef0
[    9.691738][  T194] PKRU: 55555554
[    9.691844][  T194] Call Trace:
[    9.691955][  T194]  <TASK>
[    9.692028][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.692175][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.692288][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.692491][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.692633][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.692774][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.692919][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.693065][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.693209][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.693417][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.693558][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.693703][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.693849][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.693997][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.694140][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.694285][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.694488][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.694627][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.694772][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.694913][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.695059][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.695202][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.695407][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.695551][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.695694][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.695833][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.695974][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.696114][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.696253][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.696466][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.696605][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.696749][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.696890][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.697036][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.697177][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.697384][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.697524][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.697666][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.697807][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.697954][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.698127][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.698277][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.698485][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.698625][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.698775][  T194]  ? 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))
[    9.698924][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.699069][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.699214][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.699421][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.699561][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.699701][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.699841][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.699988][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.700165][  T194] RIP: 0033:0x7f20b36b208e
[    9.700383][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.700881][  T194] RSP: 002b:00007fff8f3cfb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.701100][  T194] RAX: ffffffffffffffda RBX: 00007fff8f3d02b8 RCX: 00007f20b36b208e
[    9.701385][  T194] RDX: 0000000000000000 RSI: 00007fff8f3cfbd0 RDI: 0000000000000005
[    9.701596][  T194] RBP: 00007fff8f3cfb30 R08: 0000000000000000 R09: 0000000000000000
[    9.701805][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce06


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