======================================
| xx__-> [   11.946165][  T186] ------------[ cut here ]------------
| [   11.946394][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   11.946641][  T186] Modules linked in: veth
| [   11.947072][  T186] Tainted: [W]=WARN
[   11.947179][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.947437][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.947621][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   11.948127][  T186] RSP: 0018:ffa0000000926e30 EFLAGS: 00010286
[   11.948332][  T186] RAX: 00000000ffffffa6 RBX: ff11000008c96c80 RCX: 1ff4000000124d8c
[   11.948563][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008c96d38
[   11.948769][  T186] RBP: ff110000057e1000 R08: 1fe2200001192da8 R09: ff1100000b240b80
[   11.948977][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.949195][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bc2a380
[   11.949523][  T186] FS:  00007f91a6b15840(0000) GS:ff110000a51b0000(0000) knlGS:0000000000000000
[   11.949771][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.949947][  T186] CR2: 000000000042ebe0 CR3: 000000000c69f004 CR4: 0000000000771ef0
[   11.950176][  T186] PKRU: 55555554
[   11.950297][  T186] Call Trace:
[   11.950405][  T186]  <TASK>
[   11.950477][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.950653][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.950793][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.950909][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.951151][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.951298][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.951439][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.951674][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.951909][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.952057][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   11.952237][  T186]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   11.952418][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.952649][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.952788][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.952931][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   11.953172][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.953415][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.953555][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.953693][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.953846][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.953992][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.954379][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.954518][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.954659][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.954800][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.954942][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.955088][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.955227][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.955469][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.955706][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.955848][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.955991][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.956409][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.956546][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.956683][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.956826][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.956967][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.957217][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.957455][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.957689][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.957920][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.958161][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.958410][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.958554][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.958694][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.958833][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.958977][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.959122][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.959358][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.959498][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.959636][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.959777][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.959916][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.960076][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.960218][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.960467][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.960608][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.960874][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.961025][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.961363][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.961595][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.961746][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.961887][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.962125][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.962373][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.962517][  T186]  ? 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)
[   11.962657][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.962796][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.962935][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.963227][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.963449][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.963588][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.963759][  T186] RIP: 0033:0x7f91a6d4f08e
[   11.963906][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.964617][  T186] RSP: 002b:00007ffc3fd9b090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.964827][  T186] RAX: ffffffffffffffda RBX: 00007ffc3fd9b828 RCX: 00007f91a6d4f08e
[   11.965136][  T186] RDX: 0000000000000000 RSI: 00007ffc3fd9b140 RDI: 0000000000000005
[   11.965434][  T186] RBP: 00007ffc3fd9b0a0 R08: 0000000000000000 R09: 0000000000000000
[   11.965665][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf73
[   11.966075][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3fd9b800
| [   11.982393][  T186] ------------[ cut here ]------------
| [   11.982566][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   11.982802][  T186] Modules linked in: veth
| [   11.983216][  T186] Tainted: [W]=WARN
[   11.983328][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.983500][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.983676][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   11.984168][  T186] RSP: 0018:ffa00000009271b0 EFLAGS: 00010286
[   11.984347][  T186] RAX: 00000000ffffffa6 RBX: ff1100000a22e040 RCX: 1ff4000000124dfc
[   11.984552][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a22e0f8
[   11.984756][  T186] RBP: ff1100000a17c000 R08: 1fe2200001445c20 R09: ff1100000b240b80
[   11.984968][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.985175][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.985395][  T186] FS:  00007f91a6b15840(0000) GS:ff110000a51b0000(0000) knlGS:0000000000000000
[   11.985631][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.985800][  T186] CR2: 000000000042ebe0 CR3: 000000000c69f004 CR4: 0000000000771ef0
[   11.986023][  T186] PKRU: 55555554
[   11.986124][  T186] Call Trace:
[   11.986225][  T186]  <TASK>
[   11.986304][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.986443][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.986547][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.986683][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.986818][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.986952][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.987096][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.987238][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.987379][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.987516][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.987652][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.987794][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.987952][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.988096][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.988231][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.988375][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.988511][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.988646][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.988790][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.988925][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.989064][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.989200][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.989345][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.989486][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.989624][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.989758][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.989894][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.990038][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.990174][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.990317][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.990455][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.990592][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.990728][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.990862][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.991020][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.991160][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.991303][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.991446][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.991585][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.991722][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.991889][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.992034][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.992168][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.992308][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.992460][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.992599][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.992755][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.992889][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.993030][  T186]  ? 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)
[   11.993165][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.993307][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.993447][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.993581][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.993716][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.993853][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.994035][  T186] RIP: 0033:0x7f91a6d4f08e
[   11.994181][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.994670][  T186] RSP: 002b:00007ffc3fd9b090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.994877][  T186] RAX: ffffffffffffffda RBX: 00007ffc3fd9b828 RCX: 00007f91a6d4f08e
[   11.995083][  T186] RDX: 0000000000000000 RSI: 00007ffc3fd9b140 RDI: 0000000000000005
[   11.995290][  T186] RBP: 00007ffc3fd9b0a0 R08: 0000000000000000 R09: 0000000000000000
[   11.995496][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf73
[   11.995700][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3fd9b800
| [   12.111820][  T193] ------------[ cut here ]------------
| [   12.112010][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [   12.112291][  T193] Modules linked in: veth
| [   12.112693][  T193] Tainted: [W]=WARN
[   12.112801][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.112977][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.113169][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   12.113679][  T193] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[   12.113855][  T193] RAX: 00000000ffffffa6 RBX: ff110000095a6040 RCX: 1ff4000000110d8c
[   12.114069][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095a60f8
[   12.114284][  T193] RBP: ff1100000597c000 R08: 1fe22000012b4c20 R09: ff1100000c3cd180
[   12.114501][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.114711][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000abd5c80
[   12.114941][  T193] FS:  00007f861427e840(0000) GS:ff110000a51b0000(0000) knlGS:0000000000000000
[   12.115195][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.115378][  T193] CR2: 000000000042ebe0 CR3: 000000000c43b003 CR4: 0000000000771ef0
[   12.115592][  T193] PKRU: 55555554
[   12.115696][  T193] Call Trace:
[   12.115800][  T193]  <TASK>
[   12.115872][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.116018][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.116123][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.116303][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   12.116443][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   12.116583][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.116721][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.116859][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.117005][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.117146][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.117292][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.117435][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.117575][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.117714][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.117854][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[   12.117999][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.118171][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.118318][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.118460][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.118618][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.118758][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.118900][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.119046][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.119187][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.119336][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.119480][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.119622][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.119761][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.119905][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.120057][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.120199][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.120345][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.120489][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.120630][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.120769][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.120912][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.121058][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.121199][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.121347][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.121490][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.121630][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.121770][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.121909][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.122055][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.122195][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.122342][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.122488][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.122626][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.122767][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.122910][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.123054][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.123193][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.123344][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.123489][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.123632][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.123774][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.123914][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.124095][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   12.124244][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   12.124390][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.124529][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.124678][  T193]  ? 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))
[   12.124820][  T193]  __sys_sendmsg (net/socket.c:2784)
[   12.124961][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.125112][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.125258][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.125402][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.125539][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.125678][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.125817][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.125994][  T193] RIP: 0033:0x7f86144b808e
[   12.126153][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.126674][  T193] RSP: 002b:00007ffcb04d6e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.126882][  T193] RAX: ffffffffffffffda RBX: 00007ffcb04d75e8 RCX: 00007f86144b808e
[   12.127096][  T193] RDX: 0000000000000000 RSI: 00007ffcb04d6f00 RDI: 0000000000000005
[   12.127310][  T193] RBP: 00007ffcb04d6e60 R08: 0000000000000000 R09: 0000000000000000
[   12.127523][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   12.127729][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb04d75c0
| [   12.141109][  T193] ------------[ cut here ]------------
| [   12.141389][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [   12.141626][  T193] Modules linked in: veth
| [   12.142020][  T193] Tainted: [W]=WARN
[   12.142218][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.142610][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.142886][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   12.143489][  T193] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[   12.143758][  T193] RAX: 00000000ffffffa6 RBX: ff1100000d140740 RCX: 1ff4000000110dfc
[   12.143962][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d1407f8
[   12.144171][  T193] RBP: ff11000008871000 R08: 1fe2200001a28100 R09: ff1100000c3cd180
[   12.144918][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.145137][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.145407][  T193] FS:  00007f861427e840(0000) GS:ff110000a51b0000(0000) knlGS:0000000000000000
[   12.145702][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.145873][  T193] CR2: 000000000042ebe0 CR3: 000000000c43b003 CR4: 0000000000771ef0
[   12.146087][  T193] PKRU: 55555554
[   12.146189][  T193] Call Trace:
[   12.146351][  T193]  <TASK>
[   12.146426][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.146566][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.146670][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   12.146809][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   12.146947][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.147092][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.147294][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.147466][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.147604][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.147739][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.147874][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.148031][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.148172][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.148375][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.148511][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.148646][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.148780][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.148918][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.149064][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.149201][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.149404][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.149541][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.149678][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.149813][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.149951][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.150091][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.150230][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.150428][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.150566][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.150708][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.150843][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.150986][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.151124][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.151319][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.151460][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.151598][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.151737][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.151876][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.152020][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.152172][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.152406][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   12.152547][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   12.152683][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.152820][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.152965][  T193]  ? 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))
[   12.153111][  T193]  __sys_sendmsg (net/socket.c:2784)
[   12.153307][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.153450][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.153588][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.153726][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.153862][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.154007][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.154143][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.154393][  T193] RIP: 0033:0x7f86144b808e
[   12.154538][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.155029][  T193] RSP: 002b:00007ffcb04d6e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.155297][  T193] RAX: ffffffffffffffda RBX: 00007ffcb04d75e8 RCX: 00007f86144b808e
[   12.155504][  T193] RDX: 0000000000000000 RSI: 00007ffcb04d6f00 RDI: 0000000000000005
[   12.155709][  T193] RBP: 00007ffcb04d6e60 R08: 0000000000000000 R09: 0000000000000000
[   12.155916][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   12.156127][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb04d75c0
| [   12.395562][  T201] ------------[ cut here ]------------
| [   12.395781][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201
| [   12.396042][  T201] Modules linked in: veth
| [   12.396481][  T201] Tainted: [W]=WARN
[   12.396589][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.396763][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.396970][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   12.397487][  T201] RSP: 0018:ffa0000000606e30 EFLAGS: 00010286
[   12.397664][  T201] RAX: 00000000ffffffa6 RBX: ff110000095a63c0 RCX: 1ff40000000c0d8c
[   12.397873][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095a6478
[   12.398094][  T201] RBP: ff1100000a24c000 R08: 1fe22000012b4c90 R09: ff1100000be30b80
[   12.398316][  T201] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.398552][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000075af180
[   12.398763][  T201] FS:  00007fc26b6cc840(0000) GS:ff110000a5330000(0000) knlGS:0000000000000000
[   12.399020][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.399219][  T201] CR2: 000000000042ebe0 CR3: 000000000c601005 CR4: 0000000000771ef0
[   12.399441][  T201] PKRU: 55555554
[   12.399549][  T201] Call Trace:
[   12.399652][  T201]  <TASK>
[   12.399725][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.399869][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.400040][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.400147][  T201]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.400293][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[   12.400436][  T201]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.400573][  T201]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   12.400711][  T201]  ? netif_change_name (net/core/dev.c:1495)
[   12.400849][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.400992][  T201]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.401133][  T201]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.401325][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.401470][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.401607][  T201]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.401746][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.401885][  T201]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.402032][  T201]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.402174][  T201] veth_newlink (drivers/net/veth.c:1871) veth
[   12.402376][  T201]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.402553][  T201]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.402717][  T201]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.402856][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.403016][  T201]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.403157][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.403304][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.403448][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.403589][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.403729][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.403872][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.404017][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.404158][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.404311][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.404457][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.404599][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.404737][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.404876][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.405020][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.405159][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.405307][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.405452][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.405591][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.405729][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.405893][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.406042][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.406182][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.406329][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.406472][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.406611][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.406750][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.406892][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.407036][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.407176][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.407321][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.407464][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.407605][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.407746][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.407888][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.408037][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.408176][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.408319][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.408495][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[   12.408652][  T201]  ___sys_sendmsg (net/socket.c:2752)
[   12.408792][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.408932][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.409088][  T201]  ? 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))
[   12.409228][  T201]  __sys_sendmsg (net/socket.c:2784)
[   12.409400][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.409542][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.409683][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.409822][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.409959][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.410103][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.410246][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.410428][  T201] RIP: 0033:0x7fc26b90608e
[   12.410576][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.411084][  T201] RSP: 002b:00007ffe04373910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.411303][  T201] RAX: ffffffffffffffda RBX: 00007ffe043740a8 RCX: 00007fc26b90608e
[   12.411516][  T201] RDX: 0000000000000000 RSI: 00007ffe043739c0 RDI: 0000000000000005
[   12.411726][  T201] RBP: 00007ffe04373920 R08: 0000000000000000 R09: 0000000000000000
[   12.411932][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74
[   12.412148][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe04374080
| [   12.420851][  T201] ------------[ cut here ]------------
| [   12.421068][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/201
| [   12.421384][  T201] Modules linked in: veth
| [   12.421869][  T201] Tainted: [W]=WARN
[   12.422028][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.422266][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.422506][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   12.423038][  T201] RSP: 0018:ffa00000006071b0 EFLAGS: 00010286
[   12.423278][  T201] RAX: 00000000ffffffa6 RBX: ff1100000aa18040 RCX: 1ff40000000c0dfc
[   12.423538][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa180f8
[   12.423788][  T201] RBP: ff1100000a1e4000 R08: 1fe2200001543020 R09: ff1100000be30b80
[   12.424053][  T201] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.424345][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.424610][  T201] FS:  00007fc26b6cc840(0000) GS:ff110000a52b0000(0000) knlGS:0000000000000000
[   12.424900][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.425130][  T201] CR2: 00007fc26bb2c430 CR3: 000000000c601006 CR4: 0000000000771ef0
[   12.425404][  T201] PKRU: 55555554
[   12.425557][  T201] Call Trace:
[   12.425711][  T201]  <TASK>
[   12.425831][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.426031][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.426190][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[   12.426393][  T201]  ? netif_change_name (net/core/dev.c:1495)
[   12.426581][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.426767][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.426990][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.427179][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.427383][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.427575][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.427760][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.427953][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.428153][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.428362][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.428551][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.428737][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.428921][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.429122][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.429326][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.429518][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.429705][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.429889][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.430087][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.430286][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.430487][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.430670][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.430859][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.431053][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.431254][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.431452][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.431636][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.431823][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.432039][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.432226][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.432439][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.432627][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.432820][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.433039][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.433226][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.433448][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.433667][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[   12.433859][  T201]  ___sys_sendmsg (net/socket.c:2752)
[   12.434056][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.434256][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.434460][  T201]  ? 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))
[   12.434650][  T201]  __sys_sendmsg (net/socket.c:2784)
[   12.434839][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.435072][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.435274][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.435474][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.435661][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.435847][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.436043][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.436274][  T201] RIP: 0033:0x7fc26b90608e
[   12.436479][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.437010][  T201] RSP: 002b:00007ffe04373910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.437282][  T201] RAX: ffffffffffffffda RBX: 00007ffe043740a8 RCX: 00007fc26b90608e
[   12.437545][  T201] RDX: 0000000000000000 RSI: 00007ffe043739c0 RDI: 0000000000000005
[   12.437816][  T201] RBP: 00007ffe04373920 R08: 0000000000000000 R09: 0000000000000000
[   12.438083][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf74


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