======================================
| xx__-> [   10.248206][  T186] ------------[ cut here ]------------
| [   10.248539][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   10.249031][  T186] Modules linked in: veth
| [   10.249714][  T186] Tainted: [W]=WARN
[   10.249897][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.250244][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.250545][  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
[   10.251355][  T186] RSP: 0018:ffa0000000846e30 EFLAGS: 00010286
[   10.251642][  T186] RAX: 00000000ffffffa6 RBX: ff1100000a780e40 RCX: 1ff4000000108d8c
[   10.251995][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a780ef8
[   10.252334][  T186] RBP: ff11000007539000 R08: 1fe22000014f01e0 R09: ff1100000c96ae80
[   10.252664][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.253016][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000049fea80
[   10.253356][  T186] FS:  00007fa6a1eea840(0000) GS:ff1100007c1b0000(0000) knlGS:0000000000000000
[   10.253759][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.254045][  T186] CR2: 000055e644693cd0 CR3: 000000000c2f7005 CR4: 0000000000771ef0
[   10.254379][  T186] PKRU: 55555554
[   10.254547][  T186] Call Trace:
[   10.254716][  T186]  <TASK>
[   10.254843][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.255128][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.255350][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.255521][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.255765][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.255993][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.256221][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.256444][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.256668][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.256900][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.257186][  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)
[   10.257468][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.257715][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.257955][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.258186][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.258415][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.258692][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.258932][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.259194][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.259452][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.259676][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.259909][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.260136][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.260395][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.260664][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.260941][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.261207][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.261475][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.261719][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.261967][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.262190][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.262412][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.262659][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.262904][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.263134][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.263365][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.263591][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.263826][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.264051][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.264290][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.264514][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.264753][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.264980][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.265209][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.265432][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.265653][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.265887][  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))
[   10.266109][  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))
[   10.266336][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.266561][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.266794][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.267070][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.267302][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.267529][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.267769][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.267999][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.268225][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.268500][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.268741][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.268964][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.269188][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.269428][  T186]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.269659][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.269893][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.270130][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.270354][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.270582][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.270817][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.271046][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.271268][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.271542][  T186] RIP: 0033:0x7fa6a212408e
[   10.271787][  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
[   10.272582][  T186] RSP: 002b:00007ffebcf02d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.272933][  T186] RAX: ffffffffffffffda RBX: 00007ffebcf03508 RCX: 00007fa6a212408e
[   10.273288][  T186] RDX: 0000000000000000 RSI: 00007ffebcf02e20 RDI: 0000000000000005
[   10.273626][  T186] RBP: 00007ffebcf02d80 R08: 0000000000000000 R09: 0000000000000000
[   10.273979][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdb8
[   10.274322][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebcf034e0
| [   10.311858][  T186] ------------[ cut here ]------------
| [   10.312117][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   10.312493][  T186] Modules linked in: veth
| [   10.313128][  T186] Tainted: [W]=WARN
[   10.313293][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.313593][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.313887][  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
[   10.314707][  T186] RSP: 0018:ffa00000008471b0 EFLAGS: 00010286
[   10.315113][  T186] RAX: 00000000ffffffa6 RBX: ff1100000a0b1000 RCX: 1ff4000000108dfc
[   10.315442][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a0b10b8
[   10.315954][  T186] RBP: ff110000078a4000 R08: 1fe2200001416218 R09: ff1100000c96ae80
[   10.316411][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.316749][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.317082][  T186] FS:  00007fa6a1eea840(0000) GS:ff1100007c1b0000(0000) knlGS:0000000000000000
[   10.317456][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.317736][  T186] CR2: 000055e644693cd0 CR3: 000000000c2f7005 CR4: 0000000000771ef0
[   10.318065][  T186] PKRU: 55555554
[   10.318229][  T186] Call Trace:
[   10.318395][  T186]  <TASK>
[   10.318508][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.318738][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.318909][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.319133][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.319350][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.319563][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.319793][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.320019][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.320235][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.320451][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.320665][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.320901][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.321131][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.321353][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.321573][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.321799][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.322010][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.322221][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.322442][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.322655][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.322877][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.323101][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.323319][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.323533][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.323762][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.323982][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.324200][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.324415][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.324631][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.324864][  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))
[   10.325089][  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))
[   10.325310][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.325527][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.325751][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.325995][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.326234][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.326455][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.326675][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.326894][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.327110][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.327378][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.327604][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.327829][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.328049][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.328289][  T186]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.328509][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.328733][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.328962][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.329402][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.329618][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.329844][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.330068][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.330289][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.330556][  T186] RIP: 0033:0x7fa6a212408e
[   10.330791][  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
[   10.331568][  T186] RSP: 002b:00007ffebcf02d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.331904][  T186] RAX: ffffffffffffffda RBX: 00007ffebcf03508 RCX: 00007fa6a212408e
[   10.332229][  T186] RDX: 0000000000000000 RSI: 00007ffebcf02e20 RDI: 0000000000000005
[   10.332555][  T186] RBP: 00007ffebcf02d80 R08: 0000000000000000 R09: 0000000000000000
[   10.332886][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdb8
[   10.333216][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebcf034e0
| [   10.503180][  T196] ------------[ cut here ]------------
| [   10.503451][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/196
| [   10.503714][  T196] Modules linked in: veth
| [   10.504987][  T196] Tainted: [W]=WARN
[   10.505121][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.505301][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.505488][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   10.506224][  T196] RSP: 0018:ffa0000000966e30 EFLAGS: 00010286
[   10.506479][  T196] RAX: 00000000ffffffa6 RBX: ff11000008c938c0 RCX: 1ff400000012cd8c
[   10.506692][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008c93978
[   10.506997][  T196] RBP: ff1100000c1c4000 R08: 1fe2200001192730 R09: ff1100000ca38b80
[   10.507236][  T196] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.507448][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000053cae00
[   10.507665][  T196] FS:  00007f1da4d0e840(0000) GS:ff1100007c230000(0000) knlGS:0000000000000000
[   10.507950][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.508157][  T196] CR2: 000000000042ebe0 CR3: 0000000009205002 CR4: 0000000000771ef0
[   10.508376][  T196] PKRU: 55555554
[   10.508498][  T196] Call Trace:
[   10.508609][  T196]  <TASK>
[   10.508687][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.508838][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.508953][  T196]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.509137][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   10.509279][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   10.509419][  T196]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.509580][  T196]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.509761][  T196]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.509911][  T196]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.510091][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.510267][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.510427][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.510572][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.510746][  T196]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.510894][  T196] veth_newlink (drivers/net/veth.c:1871) veth
[   10.511077][  T196]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.511289][  T196]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.511433][  T196]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.511571][  T196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.511793][  T196]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.511939][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.512082][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.512227][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.512369][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.512550][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.512716][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.512921][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.513064][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.513252][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.513414][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.513573][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.513816][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.513971][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.514112][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.514255][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.514401][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.514545][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.514686][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.514923][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.515064][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.515203][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.515346][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.515487][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.515628][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.515858][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.516006][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.516153][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.516294][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.516436][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.516578][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.516756][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.516900][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.517047][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.517191][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.517336][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.517479][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.517619][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.517846][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   10.517999][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   10.518142][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.518283][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.518435][  T196]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.518579][  T196]  __sys_sendmsg (net/socket.c:2784)
[   10.518720][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.518923][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.519079][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.519222][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.519363][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.519505][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.519648][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.519835][  T196] RIP: 0033:0x7f1da4f4808e
[   10.519989][  T196] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.520494][  T196] RSP: 002b:00007ffe19702c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.520710][  T196] RAX: ffffffffffffffda RBX: 00007ffe197033d8 RCX: 00007f1da4f4808e
[   10.520938][  T196] RDX: 0000000000000000 RSI: 00007ffe19702cf0 RDI: 0000000000000005
[   10.521180][  T196] RBP: 00007ffe19702c50 R08: 0000000000000000 R09: 0000000000000000
[   10.521392][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdb8
[   10.521602][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe197033b0
| [   10.529613][  T196] ------------[ cut here ]------------
| [   10.530302][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/196
| [   10.530545][  T196] Modules linked in: veth
| [   10.530997][  T196] Tainted: [W]=WARN
[   10.531102][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.531330][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.531508][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   10.532059][  T196] RSP: 0018:ffa00000009671b0 EFLAGS: 00010286
[   10.532232][  T196] RAX: 00000000ffffffa6 RBX: ff11000004b29540 RCX: 1ff400000012cdfc
[   10.532433][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b295f8
[   10.532636][  T196] RBP: ff1100000c1c1000 R08: 1fe22000009652c0 R09: ff1100000ca38b80
[   10.532900][  T196] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.533106][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.533310][  T196] FS:  00007f1da4d0e840(0000) GS:ff1100007c230000(0000) knlGS:0000000000000000
[   10.533549][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.533781][  T196] CR2: 000000000042ebe0 CR3: 0000000009205002 CR4: 0000000000771ef0
[   10.533988][  T196] PKRU: 55555554
[   10.534091][  T196] Call Trace:
[   10.534196][  T196]  <TASK>
[   10.534267][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.534405][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.534509][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   10.534649][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   10.534878][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.535046][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.535188][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.535357][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.535502][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.535640][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.535861][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.536091][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.536248][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.536387][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.536556][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.536699][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.536889][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.537052][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.537196][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.537363][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.537527][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.537674][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.537897][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.538046][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.538209][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.538345][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.538539][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.538682][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.538876][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.539023][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.539157][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.539293][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.539429][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.539567][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.539706][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.539900][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.540042][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.540181][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.540319][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.540510][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.540685][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   10.540922][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   10.541063][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.541230][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.541379][  T196]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.541550][  T196]  __sys_sendmsg (net/socket.c:2784)
[   10.541694][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.541922][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.542065][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.542203][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.542339][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.542476][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.542613][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.542839][  T196] RIP: 0033:0x7f1da4f4808e
[   10.543108][  T196] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.543688][  T196] RSP: 002b:00007ffe19702c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.544787][  T196] RAX: ffffffffffffffda RBX: 00007ffe197033d8 RCX: 00007f1da4f4808e
[   10.545032][  T196] RDX: 0000000000000000 RSI: 00007ffe19702cf0 RDI: 0000000000000005
[   10.545237][  T196] RBP: 00007ffe19702c50 R08: 0000000000000000 R09: 0000000000000000
[   10.545462][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdb8
[   10.545683][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe197033b0
| [   10.780003][  T209] ------------[ cut here ]------------
| [   10.780259][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/209
| [   10.780572][  T209] Modules linked in: veth
| [   10.781585][  T209] Tainted: [W]=WARN
[   10.781764][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.782007][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.782252][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.782842][  T209] RSP: 0018:ffa0000000556e30 EFLAGS: 00010286
[   10.783090][  T209] RAX: 00000000ffffffa6 RBX: ff1100000276e740 RCX: 1ff40000000aad8c
[   10.783363][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000276e7f8
[   10.783631][  T209] RBP: ff11000008e91000 R08: 1fe22000004edd00 R09: ff1100000c925180
[   10.783922][  T209] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.784195][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f036a80
[   10.784470][  T209] FS:  00007f5f1e72f840(0000) GS:ff1100007c2b0000(0000) knlGS:0000000000000000
[   10.784793][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.785036][  T209] CR2: 000000000042ebe0 CR3: 000000000f40a003 CR4: 0000000000771ef0
[   10.785309][  T209] PKRU: 55555554
[   10.785468][  T209] Call Trace:
[   10.785626][  T209]  <TASK>
[   10.785765][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.785973][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.786176][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.786338][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.786536][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.786749][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.786954][  T209]  ? 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)
[   10.787152][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.787347][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.787573][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.787809][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.788040][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.788268][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.788491][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.788735][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.788971][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.789187][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.789404][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   10.789623][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.789885][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.790134][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.790365][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.790608][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.790862][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.791117][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.791356][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.791588][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.791823][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.792050][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.792250][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.792495][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.792705][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.792951][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.793178][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.793393][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.793600][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.793817][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.794025][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.794229][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.794433][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.794641][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.794848][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.795050][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.795244][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.795437][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.795628][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.795836][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.796035][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.796230][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.796424][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.796618][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.796853][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.797058][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.797256][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.797494][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.797745][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.797976][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.798234][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.798461][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.798701][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.798986][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.799189][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.799380][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.799574][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.799792][  T209]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.799995][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.800190][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.800385][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.800578][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.800788][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.800987][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.801183][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.801382][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.801608][  T209] RIP: 0033:0x7f5f1e96908e
[   10.801849][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.802545][  T209] RSP: 002b:00007ffef3a55cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.802870][  T209] RAX: ffffffffffffffda RBX: 00007ffef3a56468 RCX: 00007f5f1e96908e
[   10.803152][  T209] RDX: 0000000000000000 RSI: 00007ffef3a55d80 RDI: 0000000000000005
[   10.803414][  T209] RBP: 00007ffef3a55ce0 R08: 0000000000000000 R09: 0000000000000000
[   10.803679][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdb9
[   10.803961][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef3a56440
| [   10.812194][  T209] ------------[ cut here ]------------
| [   10.812384][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/209
| [   10.812674][  T209] Modules linked in: veth
| [   10.813484][  T209] Tainted: [W]=WARN
[   10.813648][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.813883][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.814131][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.814681][  T209] RSP: 0018:ffa00000005571b0 EFLAGS: 00010286
[   10.814934][  T209] RAX: 00000000ffffffa6 RBX: ff1100000969d700 RCX: 1ff40000000aadfc
[   10.815202][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000969d7b8
[   10.815453][  T209] RBP: ff11000008799000 R08: 1fe22000012d3af8 R09: ff1100000c925180
[   10.815706][  T209] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.815978][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.816236][  T209] FS:  00007f5f1e72f840(0000) GS:ff1100007c2b0000(0000) knlGS:0000000000000000
[   10.816532][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.816767][  T209] CR2: 000000000042ebe0 CR3: 000000000f40a003 CR4: 0000000000771ef0
[   10.817029][  T209] PKRU: 55555554
[   10.817184][  T209] Call Trace:
[   10.817337][  T209]  <TASK>
[   10.817471][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.817663][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.817846][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.818055][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.818258][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.818458][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.818651][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.818853][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.819053][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.819258][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.819491][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.819880][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.820113][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.820328][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.820517][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.820769][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.821001][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.821223][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.821435][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.821625][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.821856][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.822121][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.822364][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.822559][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.822772][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.822966][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.823193][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.823444][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.823676][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.823894][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.824096][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.824330][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.824566][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.825150][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.825388][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.825623][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.825843][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.826047][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.826272][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.826515][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.826799][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.827041][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.827233][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.827429][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.827658][  T209]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.827918][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.828141][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.828337][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.828538][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.828776][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.829024][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.829254][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.829447][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.829700][  T209] RIP: 0033:0x7f5f1e96908e
[   10.829922][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.830460][  T209] RSP: 002b:00007ffef3a55cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.830734][  T209] RAX: ffffffffffffffda RBX: 00007ffef3a56468 RCX: 00007f5f1e96908e
[   10.830999][  T209] RDX: 0000000000000000 RSI: 00007ffef3a55d80 RDI: 0000000000000005
[   10.831254][  T209] RBP: 00007ffef3a55ce0 R08: 0000000000000000 R09: 0000000000000000
[   10.831566][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdb9


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