======================================
| xx__-> [   11.609791][  T186] ------------[ cut here ]------------
| [   11.610124][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   11.610526][  T186] Modules linked in: veth
| [   11.611292][  T186] Tainted: [W]=WARN
[   11.611467][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.611822][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.612129][  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
[   11.612953][  T186] RSP: 0018:ffa00000007e6e30 EFLAGS: 00010286
[   11.613243][  T186] RAX: 00000000ffffffa6 RBX: ff1100000ba1a580 RCX: 1ff40000000fcd8c
[   11.613598][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ba1a638
[   11.613948][  T186] RBP: ff11000008889000 R08: 1fe22000017434c8 R09: ff1100000b0a5180
[   11.614290][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.614634][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c4a6000
[   11.614979][  T186] FS:  00007f0abd443840(0000) GS:ff110000849b0000(0000) knlGS:0000000000000000
[   11.615381][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.615674][  T186] CR2: 000055b26dce5d50 CR3: 000000000c1e7005 CR4: 0000000000771ef0
[   11.616021][  T186] PKRU: 55555554
[   11.616193][  T186] Call Trace:
[   11.616367][  T186]  <TASK>
[   11.616486][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.616784][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.617023][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.617195][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.617422][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.617653][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.617892][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.618121][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.618352][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.618585][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   11.618881][  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)
[   11.619175][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.619406][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.619644][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.619889][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   11.620117][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.620395][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.620620][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.620852][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.621105][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.621322][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.621556][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.621804][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.622034][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.622269][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.622499][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.622737][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.622979][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.623224][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.623463][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.623699][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.623940][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.624170][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.624401][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.624641][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.624922][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.625152][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.625379][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.625612][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.625849][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.626073][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.626298][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.626518][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.626765][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.626989][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.627212][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.627448][  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))
[   11.627683][  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))
[   11.627925][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.628157][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.628392][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.628635][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.628879][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.629113][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.629349][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.629586][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.629831][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.630116][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.630355][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.630578][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.630827][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.631082][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.631312][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.631538][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.631782][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.632021][  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)
[   11.632248][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.632475][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.632709][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.632945][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.633164][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.633381][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.633663][  T186] RIP: 0033:0x7f0abd67d08e
[   11.633909][  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
[   11.634930][  T186] RSP: 002b:00007ffec3299ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.635440][  T186] RAX: ffffffffffffffda RBX: 00007ffec329a268 RCX: 00007f0abd67d08e
[   11.635975][  T186] RDX: 0000000000000000 RSI: 00007ffec3299b80 RDI: 0000000000000005
[   11.636317][  T186] RBP: 00007ffec3299ae0 R08: 0000000000000000 R09: 0000000000000000
[   11.636840][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cedd
[   11.637174][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec329a240
| [   11.658699][  T186] ------------[ cut here ]------------
| [   11.659310][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   11.659713][  T186] Modules linked in: veth
| [   11.660421][  T186] Tainted: [W]=WARN
[   11.660592][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.660883][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.661178][  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
[   11.661982][  T186] RSP: 0018:ffa00000007e71b0 EFLAGS: 00010286
[   11.662270][  T186] RAX: 00000000ffffffa6 RBX: ff11000004bfcac0 RCX: 1ff40000000fcdfc
[   11.662617][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004bfcb78
[   11.662960][  T186] RBP: ff11000007d79000 R08: 1fe220000097f970 R09: ff1100000b0a5180
[   11.663290][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.663627][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.663972][  T186] FS:  00007f0abd443840(0000) GS:ff110000849b0000(0000) knlGS:0000000000000000
[   11.664361][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.664643][  T186] CR2: 000055b26dce5d50 CR3: 000000000c1e7005 CR4: 0000000000771ef0
[   11.664985][  T186] PKRU: 55555554
[   11.665151][  T186] Call Trace:
[   11.665315][  T186]  <TASK>
[   11.665432][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.665662][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.665831][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.666049][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.666269][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.666487][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.666712][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.666946][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.667168][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.667387][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.667615][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.667857][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.668083][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.668338][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.668567][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.668839][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.669090][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.669313][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.669549][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.669787][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.670006][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.670223][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.670442][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.670659][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.670891][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.671113][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.671338][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.671559][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.671794][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.672023][  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))
[   11.672239][  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))
[   11.672464][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.672690][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.672919][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.673137][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.673371][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.673599][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.673833][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.674056][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.674274][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.674548][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.674794][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.675014][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.675233][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.675478][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.675704][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.675934][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.676158][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.676387][  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)
[   11.676611][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.676841][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.677060][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.677282][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.677507][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.677735][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.678020][  T186] RIP: 0033:0x7f0abd67d08e
[   11.678246][  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
[   11.679018][  T186] RSP: 002b:00007ffec3299ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.679349][  T186] RAX: ffffffffffffffda RBX: 00007ffec329a268 RCX: 00007f0abd67d08e
[   11.679699][  T186] RDX: 0000000000000000 RSI: 00007ffec3299b80 RDI: 0000000000000005
[   11.680037][  T186] RBP: 00007ffec3299ae0 R08: 0000000000000000 R09: 0000000000000000
[   11.680364][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cedd
[   11.680696][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec329a240
| [   11.965923][  T201] ------------[ cut here ]------------
| [   11.966223][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/201
| [   11.966607][  T201] Modules linked in: veth
| [   11.967237][  T201] Tainted: [W]=WARN
[   11.967403][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.967688][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.967985][  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
[   11.968804][  T201] RSP: 0018:ffa00000004e6e30 EFLAGS: 00010286
[   11.969087][  T201] RAX: 00000000ffffffa6 RBX: ff11000004b2ec80 RCX: 1ff400000009cd8c
[   11.969419][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b2ed38
[   11.969762][  T201] RBP: ff1100000c789000 R08: 1fe2200000965da8 R09: ff1100000c1d0b80
[   11.970090][  T201] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.970419][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b93b880
[   11.970752][  T201] FS:  00007f3c5cd09840(0000) GS:ff11000084a30000(0000) knlGS:0000000000000000
[   11.971143][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.971424][  T201] CR2: 00007f3c5d070f6d CR3: 000000000b9c6003 CR4: 0000000000771ef0
[   11.971792][  T201] PKRU: 55555554
[   11.971957][  T201] Call Trace:
[   11.972120][  T201]  <TASK>
[   11.972233][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.972458][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.972633][  T201]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.972864][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[   11.973087][  T201]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.973314][  T201]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   11.973540][  T201]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   11.973771][  T201]  ? netif_change_name (net/core/dev.c:1495)
[   11.973990][  T201]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   11.974256][  T201]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.974484][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.974710][  T201] veth_newlink (drivers/net/veth.c:1871) veth
[   11.974938][  T201]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.975230][  T201]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.975470][  T201]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.975701][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.975959][  T201]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.976176][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.976406][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.976630][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.976879][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.977118][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.977345][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.977568][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.977798][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.978033][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.978259][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.978475][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.978696][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.979061][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.979279][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.979503][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.979739][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.979985][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.980208][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.980424][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.980649][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.980880][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.981103][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.981319][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.981543][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.981779][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.982004][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.982237][  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))
[   11.982459][  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))
[   11.982695][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.982947][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.983182][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.983414][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.983650][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.983886][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.984116][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.984342][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.984563][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.984854][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[   11.985088][  T201]  ___sys_sendmsg (net/socket.c:2752)
[   11.985314][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.985543][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.985792][  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))
[   11.986013][  T201]  __sys_sendmsg (net/socket.c:2784)
[   11.986234][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.986456][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.986679][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.986902][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.987119][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.987340][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.987561][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.987845][  T201] RIP: 0033:0x7f3c5cf4308e
[   11.988079][  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
[   11.988885][  T201] RSP: 002b:00007fff3edfd7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.989218][  T201] RAX: ffffffffffffffda RBX: 00007fff3edfdf68 RCX: 00007f3c5cf4308e
[   11.989554][  T201] RDX: 0000000000000000 RSI: 00007fff3edfd880 RDI: 0000000000000005
[   11.989900][  T201] RBP: 00007fff3edfd7e0 R08: 0000000000000000 R09: 0000000000000000
[   11.990226][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cede
[   11.990553][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3edfdf40
| [   12.012535][  T201] ------------[ cut here ]------------
| [   12.012771][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/201
| [   12.013035][  T201] Modules linked in: veth
| [   12.013446][  T201] Tainted: [W]=WARN
[   12.013555][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.013742][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.014014][  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
[   12.014530][  T201] RSP: 0018:ffa00000004e71b0 EFLAGS: 00010286
[   12.014716][  T201] RAX: 00000000ffffffa6 RBX: ff1100000e10b540 RCX: 1ff400000009cdfc
[   12.014941][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e10b5f8
[   12.015153][  T201] RBP: ff1100000c294000 R08: 1fe2200001c216c0 R09: ff1100000c1d0b80
[   12.015383][  T201] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.015598][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.015853][  T201] FS:  00007f3c5cd09840(0000) GS:ff11000084a30000(0000) knlGS:0000000000000000
[   12.016103][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.016279][  T201] CR2: 00007f3c5d070f6d CR3: 000000000b9c6003 CR4: 0000000000771ef0
[   12.016513][  T201] PKRU: 55555554
[   12.016633][  T201] Call Trace:
[   12.016739][  T201]  <TASK>
[   12.016825][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.016982][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.017105][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[   12.017248][  T201]  ? netif_change_name (net/core/dev.c:1495)
[   12.017393][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.017536][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.017694][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.017845][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.017993][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.018133][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.018305][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.018459][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.018618][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.018773][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.018924][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.019080][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.019226][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.019370][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.019526][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.019676][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.019825][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.019997][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.020139][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.020280][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.020422][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.020563][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.020711][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.020856][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.020997][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.021143][  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))
[   12.021287][  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))
[   12.021429][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.021589][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.021732][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.021876][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.022019][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.022160][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.022330][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.022475][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.022626][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.022804][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[   12.022967][  T201]  ___sys_sendmsg (net/socket.c:2752)
[   12.023108][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.023252][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.023405][  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))
[   12.023573][  T201]  __sys_sendmsg (net/socket.c:2784)
[   12.023723][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.023877][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.024025][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.024167][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.024314][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.024461][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.024609][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.024790][  T201] RIP: 0033:0x7f3c5cf4308e
[   12.024939][  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
[   12.025475][  T201] RSP: 002b:00007fff3edfd7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.025708][  T201] RAX: ffffffffffffffda RBX: 00007fff3edfdf68 RCX: 00007f3c5cf4308e
[   12.025937][  T201] RDX: 0000000000000000 RSI: 00007fff3edfd880 RDI: 0000000000000005
[   12.026150][  T201] RBP: 00007fff3edfd7e0 R08: 0000000000000000 R09: 0000000000000000
[   12.026361][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cede
[   12.026627][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3edfdf40
| [   12.239548][  T209] ------------[ cut here ]------------
| [   12.239852][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   12.240123][  T209] Modules linked in: veth
| [   12.240555][  T209] Tainted: [W]=WARN
[   12.240674][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.240879][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.241109][  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
[   12.241629][  T209] RSP: 0018:ffa0000000666e30 EFLAGS: 00010286
[   12.241819][  T209] RAX: 00000000ffffffa6 RBX: ff1100000b8be900 RCX: 1ff40000000ccd8c
[   12.242033][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b8be9b8
[   12.242253][  T209] RBP: ff1100000b0a1000 R08: 1fe2200001717d38 R09: ff11000008c8d180
[   12.242465][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.242687][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000093d0780
[   12.242911][  T209] FS:  00007fbde218e840(0000) GS:ff11000084b30000(0000) knlGS:0000000000000000
[   12.243168][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.243354][  T209] CR2: 000000000042ebe0 CR3: 000000000b13a002 CR4: 0000000000771ef0
[   12.243568][  T209] PKRU: 55555554
[   12.243745][  T209] Call Trace:
[   12.243856][  T209]  <TASK>
[   12.243930][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.244080][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.244227][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.244338][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.244483][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   12.244633][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.244782][  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)
[   12.244930][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   12.245073][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.245246][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.245388][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.245531][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.245686][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.245904][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.246114][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.246265][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.246410][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.246556][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   12.246734][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.246938][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.247084][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.247228][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.247390][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.247533][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.247683][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.247836][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.247986][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.248134][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.248288][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.248434][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.248595][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.248746][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.248899][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.249046][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.249191][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.249336][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.249480][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.249630][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.249781][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.249927][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.250070][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.250220][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.250363][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.250508][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.250661][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.250815][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.250964][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.251111][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.251257][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.251405][  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))
[   12.251548][  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))
[   12.251697][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.251856][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.252002][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.252167][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.252314][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.252459][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.252610][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.252761][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.252906][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.253089][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   12.253240][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   12.253386][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.253531][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.253691][  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))
[   12.253846][  T209]  __sys_sendmsg (net/socket.c:2784)
[   12.253991][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.254139][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.254285][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.254431][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.254578][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.254725][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.254875][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.255073][  T209] RIP: 0033:0x7fbde23c808e
[   12.255226][  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
[   12.255739][  T209] RSP: 002b:00007ffd5c5f9d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.255960][  T209] RAX: ffffffffffffffda RBX: 00007ffd5c5fa508 RCX: 00007fbde23c808e
[   12.256177][  T209] RDX: 0000000000000000 RSI: 00007ffd5c5f9e20 RDI: 0000000000000005
[   12.256389][  T209] RBP: 00007ffd5c5f9d80 R08: 0000000000000000 R09: 0000000000000000
[   12.256612][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cede
[   12.256834][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5c5fa4e0
| [   12.267117][  T209] ------------[ cut here ]------------
| [   12.267326][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   12.267572][  T209] Modules linked in: veth
| [   12.267981][  T209] Tainted: [W]=WARN
[   12.268087][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.268266][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.268454][  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
[   12.269025][  T209] RSP: 0018:ffa00000006671b0 EFLAGS: 00010286
[   12.269210][  T209] RAX: 00000000ffffffa6 RBX: ff1100000ba85000 RCX: 1ff40000000ccdfc
[   12.269419][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ba850b8
[   12.269631][  T209] RBP: ff1100000ca2c000 R08: 1fe2200001750a18 R09: ff11000008c8d180
[   12.269841][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.270077][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.270297][  T209] FS:  00007fbde218e840(0000) GS:ff11000084b30000(0000) knlGS:0000000000000000
[   12.270548][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.270735][  T209] CR2: 000000000042ebe0 CR3: 000000000b13a002 CR4: 0000000000771ef0
[   12.270949][  T209] PKRU: 55555554
[   12.271052][  T209] Call Trace:
[   12.271156][  T209]  <TASK>
[   12.271230][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.271375][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.271482][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   12.271633][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   12.271792][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.271930][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.272077][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.272219][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.272364][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.272501][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.272648][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.272798][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.272944][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.273088][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.273532][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.273686][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.273835][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.273979][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.274128][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.274273][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.274420][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.274566][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.274715][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.274866][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.275012][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.275154][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.275300][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.275443][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.275601][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.275754][  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))
[   12.275905][  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))
[   12.276049][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.276195][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.276340][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.276485][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.276638][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.276790][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.276941][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.277091][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.277235][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.277415][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   12.277576][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   12.277729][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.277877][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.278035][  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))
[   12.278185][  T209]  __sys_sendmsg (net/socket.c:2784)
[   12.278329][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.278479][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.278631][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.278783][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.278927][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.279072][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.279222][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.279404][  T209] RIP: 0033:0x7fbde23c808e
[   12.279556][  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
[   12.280082][  T209] RSP: 002b:00007ffd5c5f9d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.280304][  T209] RAX: ffffffffffffffda RBX: 00007ffd5c5fa508 RCX: 00007fbde23c808e
[   12.280518][  T209] RDX: 0000000000000000 RSI: 00007ffd5c5f9e20 RDI: 0000000000000005
[   12.280748][  T209] RBP: 00007ffd5c5f9d80 R08: 0000000000000000 R09: 0000000000000000
[   12.280974][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cede


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