======================================
| xx__-> [    9.215239][  T186] ------------[ cut here ]------------
| [    9.215500][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [    9.215836][  T186] Modules linked in: veth
| [    9.216410][  T186] Tainted: [W]=WARN
[    9.216672][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.216914][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.217147][  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
[    9.217706][  T186] RSP: 0018:ffa0000000776e30 EFLAGS: 00010286
[    9.217947][  T186] RAX: 00000000ffffffa6 RBX: ff1100000953fc40 RCX: 1ff40000000eed8c
[    9.218202][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000953fcf8
[    9.218461][  T186] RBP: ff11000008651000 R08: 1fe22000012a7fa0 R09: ff1100000ce98b80
[    9.218793][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.219147][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009386380
[    9.219501][  T186] FS:  00007f1df0e7e840(0000) GS:ff110000a6ab0000(0000) knlGS:0000000000000000
[    9.219915][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.220237][  T186] CR2: 00005598aa888850 CR3: 000000000ce8a003 CR4: 0000000000771ef0
[    9.220601][  T186] PKRU: 55555554
[    9.220871][  T186] Call Trace:
[    9.221114][  T186]  <TASK>
[    9.221336][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.221674][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.221983][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.222327][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.222738][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.223125][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.223312][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.223497][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.223693][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.223896][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.224121][  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)
[    9.224343][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.224526][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.224725][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.224931][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.225121][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.225338][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.225633][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.225819][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.226034][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.226221][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.226502][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.226700][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.226907][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.227099][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.227379][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.227579][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.227765][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.227975][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.228258][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.228445][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.228643][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.228842][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.229028][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.229213][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.229404][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.229603][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.229788][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.229983][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.230262][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.230552][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.230741][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.230939][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.231128][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.231315][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.231608][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.231798][  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))
[    9.232005][  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))
[    9.232195][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.232474][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.232763][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.232972][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.233165][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.233354][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.233556][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.233746][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.233947][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.234164][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.234385][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.234675][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.234876][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.235083][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.235272][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.235458][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.235654][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.235851][  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)
[    9.236038][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.236227][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.236416][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.236621][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.236808][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.237013][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.237232][  T186] RIP: 0033:0x7f1df10b808e
[    9.237426][  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
[    9.237982][  T186] RSP: 002b:00007ffd62601500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.238236][  T186] RAX: ffffffffffffffda RBX: 00007ffd62601c98 RCX: 00007f1df10b808e
[    9.238488][  T186] RDX: 0000000000000000 RSI: 00007ffd626015b0 RDI: 0000000000000005
[    9.238752][  T186] RBP: 00007ffd62601510 R08: 0000000000000000 R09: 0000000000000000
[    9.239115][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c658
[    9.239369][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd62601c70
| [    9.255044][  T186] ------------[ cut here ]------------
| [    9.255197][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.255430][  T186] Modules linked in: veth
| [    9.255859][  T186] Tainted: [W]=WARN
[    9.255960][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.256124][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.256297][  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
[    9.256773][  T186] RSP: 0018:ffa00000007771b0 EFLAGS: 00010286
[    9.256952][  T186] RAX: 00000000ffffffa6 RBX: ff1100000a852c80 RCX: 1ff40000000eedfc
[    9.257155][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a852d38
[    9.257353][  T186] RBP: ff11000008641000 R08: 1fe220000150a5a8 R09: ff1100000ce98b80
[    9.257556][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.257753][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.257958][  T186] FS:  00007f1df0e7e840(0000) GS:ff110000a6b30000(0000) knlGS:0000000000000000
[    9.258189][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.258354][  T186] CR2: 00007f55fd0d7808 CR3: 000000000ce8a001 CR4: 0000000000771ef0
[    9.258626][  T186] PKRU: 55555554
[    9.258725][  T186] Call Trace:
[    9.258830][  T186]  <TASK>
[    9.259005][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.259141][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.259243][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.259378][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.259509][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.259741][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.259886][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.260018][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.260149][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.260283][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.260415][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.260603][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.260739][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.260882][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.261014][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.261146][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.261279][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.261409][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.261551][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.261683][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.261817][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.261957][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.262087][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.262217][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.262352][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.262481][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.262617][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.262748][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.262887][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.263022][  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))
[    9.263152][  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))
[    9.263284][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.263417][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.263553][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.263687][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.263831][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.263966][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.264100][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.264232][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.264364][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.264525][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.264666][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.264800][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.264941][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.265084][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.265218][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.265350][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.265480][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.265623][  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)
[    9.265755][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.265897][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.266030][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.266162][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.266294][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.266427][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.266598][  T186] RIP: 0033:0x7f1df10b808e
[    9.266738][  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
[    9.267219][  T186] RSP: 002b:00007ffd62601500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.267418][  T186] RAX: ffffffffffffffda RBX: 00007ffd62601c98 RCX: 00007f1df10b808e
[    9.267625][  T186] RDX: 0000000000000000 RSI: 00007ffd626015b0 RDI: 0000000000000005
[    9.267828][  T186] RBP: 00007ffd62601510 R08: 0000000000000000 R09: 0000000000000000
[    9.268028][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c658
[    9.268225][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd62601c70
| [    9.388168][  T191] ------------[ cut here ]------------
| [    9.388355][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/191
| [    9.388620][  T191] Modules linked in: veth
| [    9.389040][  T191] Tainted: [W]=WARN
[    9.389153][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.389333][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.389524][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.390087][  T191] RSP: 0018:ffa00000008d6e30 EFLAGS: 00010286
[    9.390274][  T191] RAX: 00000000ffffffa6 RBX: ff11000005cf8200 RCX: 1ff400000011ad8c
[    9.390488][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005cf82b8
[    9.390709][  T191] RBP: ff11000008061000 R08: 1fe2200000b9f058 R09: ff1100000c362e80
[    9.390939][  T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.391152][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8c4e80
[    9.391369][  T191] FS:  00007f9cd8736840(0000) GS:ff110000a6b30000(0000) knlGS:0000000000000000
[    9.391625][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.391815][  T191] CR2: 000000000042ebe0 CR3: 0000000008a83006 CR4: 0000000000771ef0
[    9.392043][  T191] PKRU: 55555554
[    9.392153][  T191] Call Trace:
[    9.392266][  T191]  <TASK>
[    9.392342][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.392489][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.392602][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.392782][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.392937][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.393077][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.393219][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.393362][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.393507][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.393655][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.393800][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.393956][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.394096][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.394240][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.394383][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[    9.394528][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.394711][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.394868][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.395010][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.395169][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.395313][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.395459][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.395607][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.395753][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.395904][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.396049][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.396197][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.396340][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.396493][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.396647][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.396795][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.396946][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.397091][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.397234][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.397377][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.397522][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.397670][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.397813][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.397965][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.398107][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.398250][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.398395][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.398541][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.398686][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.398834][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.398979][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.399123][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.399264][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.399407][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.399555][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.399701][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.399851][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.399996][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.400142][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.400288][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.400433][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.400582][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.400761][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.400919][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.401062][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.401208][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.401362][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.401508][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.401656][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.401806][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.401959][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.402105][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.402251][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.402394][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.402543][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.402722][  T191] RIP: 0033:0x7f9cd897008e
[    9.402881][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.403398][  T191] RSP: 002b:00007ffc32db7b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.403619][  T191] RAX: ffffffffffffffda RBX: 00007ffc32db8318 RCX: 00007f9cd897008e
[    9.403842][  T191] RDX: 0000000000000000 RSI: 00007ffc32db7c30 RDI: 0000000000000005
[    9.404059][  T191] RBP: 00007ffc32db7b90 R08: 0000000000000000 R09: 0000000000000000
[    9.404278][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c658
[    9.404493][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc32db82f0
| [    9.415663][  T191] ------------[ cut here ]------------
| [    9.415825][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/191
| [    9.416075][  T191] Modules linked in: veth
| [    9.416463][  T191] Tainted: [W]=WARN
[    9.416576][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.416751][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.416942][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.417436][  T191] RSP: 0018:ffa00000008d71b0 EFLAGS: 00010286
[    9.417616][  T191] RAX: 00000000ffffffa6 RBX: ff110000090ab1c0 RCX: 1ff400000011adfc
[    9.417858][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090ab278
[    9.418068][  T191] RBP: ff11000007b89000 R08: 1fe2200001215650 R09: ff1100000c362e80
[    9.418278][  T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.418484][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.418707][  T191] FS:  00007f9cd8736840(0000) GS:ff110000a6b30000(0000) knlGS:0000000000000000
[    9.418960][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.419134][  T191] CR2: 000000000042ebe0 CR3: 0000000008a83006 CR4: 0000000000771ef0
[    9.419343][  T191] PKRU: 55555554
[    9.419448][  T191] Call Trace:
[    9.419559][  T191]  <TASK>
[    9.419634][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.419775][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.419892][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.420033][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.420174][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.420312][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.420453][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.420599][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.420742][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.420892][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.421031][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.421177][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.421320][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.421460][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.421605][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.421746][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.421894][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.422033][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.422177][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.422315][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.422454][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.422597][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.422736][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.422884][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.423024][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.423165][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.423307][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.423447][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.423591][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.423740][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.423887][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.424027][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.424171][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.424311][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.424451][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.424596][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.424737][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.424888][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.425030][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.425171][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.425346][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.425488][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.425637][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.425775][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.425931][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.426073][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.426217][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.426362][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.426501][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.426647][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.426786][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.426932][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.427072][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.427247][  T191] RIP: 0033:0x7f9cd897008e
[    9.427395][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.427910][  T191] RSP: 002b:00007ffc32db7b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.428124][  T191] RAX: ffffffffffffffda RBX: 00007ffc32db8318 RCX: 00007f9cd897008e
[    9.428335][  T191] RDX: 0000000000000000 RSI: 00007ffc32db7c30 RDI: 0000000000000005
[    9.428548][  T191] RBP: 00007ffc32db7b90 R08: 0000000000000000 R09: 0000000000000000
[    9.428758][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c658
[    9.428980][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc32db82f0
| [    9.632130][  T200] ------------[ cut here ]------------
| [    9.632313][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/200
| [    9.632568][  T200] Modules linked in: veth
| [    9.632972][  T200] Tainted: [W]=WARN
[    9.633078][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.633251][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.633433][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.633945][  T200] RSP: 0018:ffa0000000856e30 EFLAGS: 00010286
[    9.634121][  T200] RAX: 00000000ffffffa6 RBX: ff1100000953f8c0 RCX: 1ff400000010ad8c
[    9.634330][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000953f978
[    9.634543][  T200] RBP: ff1100000cdec000 R08: 1fe22000012a7f30 R09: ff1100000c21ae80
[    9.634748][  T200] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.634965][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c478080
[    9.635175][  T200] FS:  00007fed90382840(0000) GS:ff110000a6a30000(0000) knlGS:0000000000000000
[    9.635418][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.635599][  T200] CR2: 000000000042ebe0 CR3: 000000000e199001 CR4: 0000000000771ef0
[    9.635808][  T200] PKRU: 55555554
[    9.635922][  T200] Call Trace:
[    9.636027][  T200]  <TASK>
[    9.636100][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.636242][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.636383][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.636489][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.636634][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.636771][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.636918][  T200]  ? 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)
[    9.637055][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.637190][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.637328][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.637463][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.637607][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.637746][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.637895][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.638032][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.638168][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.638306][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.638444][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.638592][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.638764][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.638910][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.639046][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.639200][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.639338][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.639481][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.639626][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.639764][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.639912][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.640050][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.640187][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.640323][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.640466][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.640613][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.640752][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.640895][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.641035][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.641172][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.641309][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.641450][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.641593][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.641729][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.641876][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.642014][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.642150][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.642289][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.642423][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.642566][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.642702][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.642848][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.642988][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.643124][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.643264][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.643402][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.643544][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.643683][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.643824][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.643968][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.644108][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.644246][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.644383][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.644558][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.644699][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.644844][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.644980][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.645127][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.645266][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.645403][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.645549][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.645688][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.645828][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.645971][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.646111][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.646250][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.646422][  T200] RIP: 0033:0x7fed905bc08e
[    9.646575][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.647072][  T200] RSP: 002b:00007ffff6e48cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.647283][  T200] RAX: ffffffffffffffda RBX: 00007ffff6e49488 RCX: 00007fed905bc08e
[    9.647490][  T200] RDX: 0000000000000000 RSI: 00007ffff6e48da0 RDI: 0000000000000005
[    9.647701][  T200] RBP: 00007ffff6e48d00 R08: 0000000000000000 R09: 0000000000000000
[    9.647914][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c658
[    9.648122][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff6e49460
| [    9.664011][  T200] ------------[ cut here ]------------
| [    9.664186][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/200
| [    9.664432][  T200] Modules linked in: veth
| [    9.665008][  T200] Tainted: [W]=WARN
[    9.665115][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.665293][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.665475][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.665985][  T200] RSP: 0018:ffa00000008571b0 EFLAGS: 00010286
[    9.666159][  T200] RAX: 00000000ffffffa6 RBX: ff1100000c056200 RCX: 1ff400000010adfc
[    9.666368][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0562b8
[    9.666583][  T200] RBP: ff1100000cde9000 R08: 1fe220000180ac58 R09: ff1100000c21ae80
[    9.666792][  T200] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.667007][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.667218][  T200] FS:  00007fed90382840(0000) GS:ff110000a6a30000(0000) knlGS:0000000000000000
[    9.667461][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.667642][  T200] CR2: 000000000042ebe0 CR3: 000000000e199001 CR4: 0000000000771ef0
[    9.667860][  T200] PKRU: 55555554
[    9.667965][  T200] Call Trace:
[    9.668070][  T200]  <TASK>
[    9.668144][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.668286][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.668393][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.668538][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.668679][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.668822][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.668973][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.669115][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.669259][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.669397][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.669542][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.669690][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.669838][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.669982][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.670121][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.670260][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.670402][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.670545][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.670690][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.670834][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.670975][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.671116][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.671255][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.671393][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.671542][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.671682][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.671827][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.671973][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.672115][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.672260][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.672398][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.672547][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.672691][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.672836][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.672979][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.673122][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.673262][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.673404][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.673548][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.673693][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.673877][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.674021][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.674161][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.674301][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.674449][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.674599][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.674739][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.674893][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.675034][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.675174][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.675314][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.675453][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.675597][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.675771][  T200] RIP: 0033:0x7fed905bc08e
[    9.675926][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.676414][  T200] RSP: 002b:00007ffff6e48cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.676627][  T200] RAX: ffffffffffffffda RBX: 00007ffff6e49488 RCX: 00007fed905bc08e
[    9.676844][  T200] RDX: 0000000000000000 RSI: 00007ffff6e48da0 RDI: 0000000000000005
[    9.677052][  T200] RBP: 00007ffff6e48d00 R08: 0000000000000000 R09: 0000000000000000
[    9.677259][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c658


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