======================================
| xx__-> [   10.503658][  T186] ------------[ cut here ]------------
| [   10.504106][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [   10.504504][  T186] Modules linked in: veth
| [   10.505236][  T186] Tainted: [W]=WARN
[   10.505413][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.505723][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.506103][  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
[   10.506837][  T186] RSP: 0018:ffa00000008e6e30 EFLAGS: 00010286
[   10.507207][  T186] RAX: 00000000ffffffa6 RBX: ff110000091ae900 RCX: 1ff400000011cd8c
[   10.507618][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091ae9b8
[   10.507988][  T186] RBP: ff1100000cdd1000 R08: 1fe2200001235d38 R09: ff1100000c718b80
[   10.508267][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.508555][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b7b500
[   10.508864][  T186] FS:  00007f9fd9577840(0000) GS:ff1100009a6b0000(0000) knlGS:0000000000000000
[   10.509193][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.509432][  T186] CR2: 000055f2ef8b1d20 CR3: 000000000a8f5003 CR4: 0000000000771ef0
[   10.509728][  T186] PKRU: 55555554
[   10.509926][  T186] Call Trace:
[   10.510096][  T186]  <TASK>
[   10.510227][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.510473][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.510677][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.510867][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.511100][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.511361][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.511564][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.511769][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.512024][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.512231][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.512557][  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)
[   10.512904][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.513211][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.513449][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.513651][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.513876][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.514124][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.514325][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.514524][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.514741][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.514977][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.515278][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.515478][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.515738][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.516023][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.516237][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.516511][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.516814][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.517132][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.517348][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.517609][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.517892][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.518119][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.518321][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.518538][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.518761][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.518997][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.519200][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.519405][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.519615][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.519831][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.520047][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.520321][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.520535][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.520771][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.521026][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.521233][  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))
[   10.521433][  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))
[   10.521707][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.521943][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.522177][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.522385][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.522587][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.522795][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.523015][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.523219][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.523429][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.523669][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.523883][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.524130][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.524334][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.524579][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.524789][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.525026][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.525230][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.525448][  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)
[   10.525679][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.525971][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.526175][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.526376][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.526577][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.526840][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.527154][  T186] RIP: 0033:0x7f9fd97b108e
[   10.527364][  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
[   10.527969][  T186] RSP: 002b:00007ffea7999a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.528284][  T186] RAX: ffffffffffffffda RBX: 00007ffea799a1f8 RCX: 00007f9fd97b108e
[   10.528584][  T186] RDX: 0000000000000000 RSI: 00007ffea7999b10 RDI: 0000000000000005
[   10.528967][  T186] RBP: 00007ffea7999a70 R08: 0000000000000000 R09: 0000000000000000
[   10.529321][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca5f
[   10.529633][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea799a1d0
| [   10.542852][  T186] ------------[ cut here ]------------
| [   10.543560][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   10.543830][  T186] Modules linked in: veth
| [   10.544540][  T186] Tainted: [W]=WARN
[   10.544701][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.544983][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.545197][  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
[   10.545697][  T186] RSP: 0018:ffa00000008e71b0 EFLAGS: 00010286
[   10.545939][  T186] RAX: 00000000ffffffa6 RBX: ff110000028fc3c0 RCX: 1ff400000011cdfc
[   10.546256][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000028fc478
[   10.546492][  T186] RBP: ff110000050e1000 R08: 1fe220000051f890 R09: ff1100000c718b80
[   10.546737][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.546966][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.547183][  T186] FS:  00007f9fd9577840(0000) GS:ff1100009a730000(0000) knlGS:0000000000000000
[   10.547427][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.547609][  T186] CR2: 000055f2ef8b1d20 CR3: 000000000a8f5002 CR4: 0000000000771ef0
[   10.547827][  T186] PKRU: 55555554
[   10.547938][  T186] Call Trace:
[   10.548044][  T186]  <TASK>
[   10.548126][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.548274][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.548413][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.548595][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.548765][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.548987][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.549135][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.549321][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.549493][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.549650][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.549840][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.550032][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.550207][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.550415][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.550622][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.550850][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.551072][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.551290][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.551523][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.551716][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.551872][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.552125][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.552351][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.552573][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.552806][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.552995][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.553211][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.553389][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.553534][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.553689][  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))
[   10.553843][  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))
[   10.553995][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.554138][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.554282][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.554433][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.554577][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.554741][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.554976][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.555204][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.555485][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.555739][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.555927][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.556095][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.556315][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.556582][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.556796][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.556965][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.557108][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.557283][  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)
[   10.557428][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.557576][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.557719][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.557926][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.558121][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.558348][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.558617][  T186] RIP: 0033:0x7f9fd97b108e
[   10.558855][  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
[   10.559401][  T186] RSP: 002b:00007ffea7999a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.559633][  T186] RAX: ffffffffffffffda RBX: 00007ffea799a1f8 RCX: 00007f9fd97b108e
[   10.559854][  T186] RDX: 0000000000000000 RSI: 00007ffea7999b10 RDI: 0000000000000005
[   10.560073][  T186] RBP: 00007ffea7999a70 R08: 0000000000000000 R09: 0000000000000000
[   10.560288][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca5f
[   10.560502][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea799a1d0
| [   10.717433][  T196] ------------[ cut here ]------------
| [   10.717694][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/196
| [   10.718515][  T196] Modules linked in: veth
| [   10.719084][  T196] Tainted: [W]=WARN
[   10.719252][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.719497][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.719761][  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
[   10.720397][  T196] RSP: 0018:ffa0000000956e30 EFLAGS: 00010286
[   10.720665][  T196] RAX: 00000000ffffffa6 RBX: ff11000004b5d8c0 RCX: 1ff400000012ad8c
[   10.721022][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b5d978
[   10.721362][  T196] RBP: ff1100000a219000 R08: 1fe220000096bb30 R09: ff1100000d145180
[   10.721648][  T196] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.721966][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b219200
[   10.722250][  T196] FS:  00007fb490fb4840(0000) GS:ff1100009a6b0000(0000) knlGS:0000000000000000
[   10.722586][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.722849][  T196] CR2: 000000000042ebe0 CR3: 000000000bdfb006 CR4: 0000000000771ef0
[   10.723159][  T196] PKRU: 55555554
[   10.723325][  T196] Call Trace:
[   10.723498][  T196]  <TASK>
[   10.723647][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.723871][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.724055][  T196]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.724316][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   10.724537][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   10.724764][  T196]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.724999][  T196]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.725236][  T196]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.725446][  T196]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.725658][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.725885][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.726116][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.726319][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.726537][  T196]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.726767][  T196] veth_newlink (drivers/net/veth.c:1871) veth
[   10.726999][  T196]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.727296][  T196]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.727515][  T196]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.727731][  T196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.727976][  T196]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.728185][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.728391][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.728633][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.728850][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.729077][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.729284][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.729486][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.729691][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.729945][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.730155][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.730368][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.730575][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.730796][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.731016][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.731241][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.731460][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.731676][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.731902][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.732119][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.732319][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.732527][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.732731][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.732994][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.733214][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.733432][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.733681][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.733931][  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))
[   10.734160][  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))
[   10.734386][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.734654][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.734894][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.735129][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.735338][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.735536][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.735757][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.735989][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.736194][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.736456][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   10.736668][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   10.736902][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.737134][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.737350][  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))
[   10.737572][  T196]  __sys_sendmsg (net/socket.c:2784)
[   10.737791][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.738029][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.738234][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.738454][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.738659][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.738883][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.739106][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.739352][  T196] RIP: 0033:0x7fb4911ee08e
[   10.739568][  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
[   10.740187][  T196] RSP: 002b:00007ffc962d2700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.740477][  T196] RAX: ffffffffffffffda RBX: 00007ffc962d2e98 RCX: 00007fb4911ee08e
[   10.740766][  T196] RDX: 0000000000000000 RSI: 00007ffc962d27b0 RDI: 0000000000000005
[   10.741083][  T196] RBP: 00007ffc962d2710 R08: 0000000000000000 R09: 0000000000000000
[   10.741362][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca60
[   10.741647][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc962d2e70
| [   10.758556][  T196] ------------[ cut here ]------------
| [   10.758813][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/196
| [   10.759907][  T196] Modules linked in: veth
| [   10.760667][  T196] Tainted: [W]=WARN
[   10.760892][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.761227][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.761562][  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
[   10.762226][  T196] RSP: 0018:ffa00000009571b0 EFLAGS: 00010286
[   10.762464][  T196] RAX: 00000000ffffffa6 RBX: ff11000009641c40 RCX: 1ff400000012adfc
[   10.762733][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009641cf8
[   10.763028][  T196] RBP: ff1100000a1a1000 R08: 1fe22000012c83a0 R09: ff1100000d145180
[   10.763300][  T196] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.763607][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.763892][  T196] FS:  00007fb490fb4840(0000) GS:ff1100009a6b0000(0000) knlGS:0000000000000000
[   10.764226][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.764462][  T196] CR2: 000000000042ebe0 CR3: 000000000bdfb006 CR4: 0000000000771ef0
[   10.764789][  T196] PKRU: 55555554
[   10.764964][  T196] Call Trace:
[   10.765128][  T196]  <TASK>
[   10.765257][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.765457][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.765616][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   10.765819][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   10.766027][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.766234][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.766428][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.766619][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.766827][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.767049][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.767264][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.767467][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.767665][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.767872][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.768084][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.768282][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.768473][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.768668][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.768874][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.769083][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.769277][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.769477][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.769674][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.769883][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.770093][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.770290][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.770487][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.770689][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.770893][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.771109][  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))
[   10.771358][  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))
[   10.771553][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.771822][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.772035][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.772233][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.772432][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.772628][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.772833][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.773089][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.773307][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.773538][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   10.773752][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   10.773968][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.774178][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.774382][  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))
[   10.774581][  T196]  __sys_sendmsg (net/socket.c:2784)
[   10.774796][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.775012][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.775211][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.775411][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.775652][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.775878][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.776159][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.776424][  T196] RIP: 0033:0x7fb4911ee08e
[   10.776647][  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
[   10.777273][  T196] RSP: 002b:00007ffc962d2700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.777558][  T196] RAX: ffffffffffffffda RBX: 00007ffc962d2e98 RCX: 00007fb4911ee08e
[   10.777829][  T196] RDX: 0000000000000000 RSI: 00007ffc962d27b0 RDI: 0000000000000005
[   10.778108][  T196] RBP: 00007ffc962d2710 R08: 0000000000000000 R09: 0000000000000000
[   10.778388][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca60
[   10.778656][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc962d2e70
| [   10.984995][  T209] ------------[ cut here ]------------
| [   10.985209][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   10.985466][  T209] Modules linked in: veth
| [   10.985890][  T209] Tainted: [W]=WARN
[   10.986009][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.986190][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.986385][  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
[   10.986937][  T209] RSP: 0018:ffa0000000586e30 EFLAGS: 00010286
[   10.987125][  T209] RAX: 00000000ffffffa6 RBX: ff1100000d292040 RCX: 1ff40000000b0d8c
[   10.987359][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d2920f8
[   10.987577][  T209] RBP: ff1100000d074000 R08: 1fe2200001a52420 R09: ff1100000c7dd180
[   10.987818][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.988051][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b393180
[   10.988277][  T209] FS:  00007f6a1ebc8840(0000) GS:ff1100009a730000(0000) knlGS:0000000000000000
[   10.988533][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.988715][  T209] CR2: 000000000042ebe0 CR3: 0000000009bd8004 CR4: 0000000000771ef0
[   10.988945][  T209] PKRU: 55555554
[   10.989054][  T209] Call Trace:
[   10.989199][  T209]  <TASK>
[   10.989285][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.989434][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.989580][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.989694][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.989853][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.990005][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.990151][  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)
[   10.990296][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.990437][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.990579][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.990720][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.990877][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.991029][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.991173][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.991318][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.991460][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.991607][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.991753][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   10.991908][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.992094][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.992238][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.992382][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.992544][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.992997][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.993143][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.993288][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.993432][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.993576][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.993724][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.993879][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.994035][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.994204][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.994358][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.994506][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.994657][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.994817][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.994967][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.995111][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.995266][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.995420][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.995570][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.995720][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.995877][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.996031][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.996178][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.996326][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.996476][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.996619][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.996771][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.996977][  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))
[   10.997123][  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))
[   10.997271][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.997445][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.997590][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.997741][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.997891][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.998043][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.998199][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.998351][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.998494][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.998677][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.998837][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.998992][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.999136][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.999291][  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))
[   10.999438][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.999586][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.999751][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.999960][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.000110][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.000256][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.000400][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.000547][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.000729][  T209] RIP: 0033:0x7f6a1ee0208e
[   11.000892][  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
[   11.001415][  T209] RSP: 002b:00007fff05068010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.001636][  T209] RAX: ffffffffffffffda RBX: 00007fff050687a8 RCX: 00007f6a1ee0208e
[   11.001858][  T209] RDX: 0000000000000000 RSI: 00007fff050680c0 RDI: 0000000000000005
[   11.002077][  T209] RBP: 00007fff05068020 R08: 0000000000000000 R09: 0000000000000000
[   11.002296][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca60
[   11.002516][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff05068780
| [   11.034873][  T209] ------------[ cut here ]------------
| [   11.035093][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   11.035352][  T209] Modules linked in: veth
| [   11.035758][  T209] Tainted: [W]=WARN
[   11.035870][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.036056][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.036245][  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
[   11.036749][  T209] RSP: 0018:ffa00000005871b0 EFLAGS: 00010286
[   11.036946][  T209] RAX: 00000000ffffffa6 RBX: ff110000028fce40 RCX: 1ff40000000b0dfc
[   11.037178][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000028fcef8
[   11.037391][  T209] RBP: ff1100000d071000 R08: 1fe220000051f9e0 R09: ff1100000c7dd180
[   11.037623][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.037844][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.038064][  T209] FS:  00007f6a1ebc8840(0000) GS:ff1100009a730000(0000) knlGS:0000000000000000
[   11.038313][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.038492][  T209] CR2: 000055f2ef8d39c8 CR3: 0000000009bd8004 CR4: 0000000000771ef0
[   11.038703][  T209] PKRU: 55555554
[   11.038816][  T209] Call Trace:
[   11.038927][  T209]  <TASK>
[   11.039002][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.039148][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.039256][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   11.039397][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   11.039539][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.039685][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.039832][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.039978][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.040118][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.040261][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.040400][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.040547][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.040697][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.040851][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.041065][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.041277][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.041486][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.041696][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.041927][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.042138][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.042335][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.042478][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.042619][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.042759][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.042904][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.043058][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.043212][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.043354][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.043497][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.043643][  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))
[   11.043792][  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))
[   11.044018][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.044193][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.044341][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.044486][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.044630][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.044774][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.044932][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.045078][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.045219][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.045392][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   11.045543][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   11.045698][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.045846][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.046002][  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))
[   11.046151][  T209]  __sys_sendmsg (net/socket.c:2784)
[   11.046300][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.046451][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.046636][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.046863][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.047075][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.047292][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.047496][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.047723][  T209] RIP: 0033:0x7f6a1ee0208e
[   11.047975][  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
[   11.048558][  T209] RSP: 002b:00007fff05068010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.048777][  T209] RAX: ffffffffffffffda RBX: 00007fff050687a8 RCX: 00007f6a1ee0208e
[   11.049052][  T209] RDX: 0000000000000000 RSI: 00007fff050680c0 RDI: 0000000000000005
[   11.049367][  T209] RBP: 00007fff05068020 R08: 0000000000000000 R09: 0000000000000000
[   11.049581][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca60


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