======================================
| xx__-> [   10.045550][  T185] ------------[ cut here ]------------
| [   10.045935][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   10.046369][  T185] Modules linked in: veth
| [   10.047380][  T185] Tainted: [W]=WARN
[   10.047659][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.048002][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.048346][  T185] 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
[   10.049192][  T185] RSP: 0018:ffa00000007e6e30 EFLAGS: 00010286
[   10.049524][  T185] RAX: 00000000ffffffa6 RBX: ff1100000be7b380 RCX: 1ff40000000fcd8c
[   10.049911][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be7b438
[   10.050289][  T185] RBP: ff11000007609000 R08: 1fe22000017cf688 R09: ff1100000c8dae80
[   10.050672][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.051063][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004e10780
[   10.051450][  T185] FS:  00007f0103979840(0000) GS:ff110000984b0000(0000) knlGS:0000000000000000
[   10.051896][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.052225][  T185] CR2: 00007f0103ce0f6d CR3: 000000000cd15003 CR4: 0000000000771ef0
[   10.052607][  T185] PKRU: 55555554
[   10.052841][  T185] Call Trace:
[   10.053061][  T185]  <TASK>
[   10.053229][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.053562][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.053852][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.054079][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.054351][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.054630][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.054918][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.055190][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.055469][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.055741][  T185]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.056085][  T185]  ? 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)
[   10.056428][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.056701][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.056993][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.057271][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   10.057553][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.057885][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.058162][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.058444][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.058746][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.059037][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.059315][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.059595][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.059887][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.060166][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.060449][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.060719][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.061012][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.061298][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.061588][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.061883][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.062159][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.062455][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.062735][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.063035][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.063329][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.063644][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.063932][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.064207][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.064491][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.064771][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.065047][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.065317][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.065595][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.065885][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.066158][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.066442][  T185]  ? 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))
[   10.066711][  T185]  ? 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))
[   10.067004][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.067281][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.067563][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.067859][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.068139][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.068422][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.068699][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.068991][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.069264][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.069593][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.069891][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.070171][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.070476][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.070769][  T185]  ? 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))
[   10.071060][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.071335][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.071621][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.071911][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.072192][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.072471][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.072743][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.073038][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.073371][  T185] RIP: 0033:0x7f0103bb308e
[   10.073654][  T185] 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
[   10.074492][  T185] RSP: 002b:00007ffcbed0a1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.074889][  T185] RAX: ffffffffffffffda RBX: 00007ffcbed0a938 RCX: 00007f0103bb308e
[   10.075268][  T185] RDX: 0000000000000000 RSI: 00007ffcbed0a250 RDI: 0000000000000005
[   10.075650][  T185] RBP: 00007ffcbed0a1b0 R08: 0000000000000000 R09: 0000000000000000
[   10.076074][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c81a
[   10.076464][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcbed0a910
| [   10.103611][  T185] ------------[ cut here ]------------
| [   10.104600][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   10.105038][  T185] Modules linked in: veth
| [   10.105739][  T185] Tainted: [W]=WARN
[   10.105967][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.106276][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.106610][  T185] 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
[   10.107422][  T185] RSP: 0018:ffa00000007e71b0 EFLAGS: 00010286
[   10.107738][  T185] RAX: 00000000ffffffa6 RBX: ff1100000acc4580 RCX: 1ff40000000fcdfc
[   10.108122][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000acc4638
[   10.108500][  T185] RBP: ff110000087a1000 R08: 1fe22000015988c8 R09: ff1100000c8dae80
[   10.108881][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.109253][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.109677][  T185] FS:  00007f0103979840(0000) GS:ff110000984b0000(0000) knlGS:0000000000000000
[   10.110143][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.110481][  T185] CR2: 00007f0103ce0f6d CR3: 000000000cd15003 CR4: 0000000000771ef0
[   10.110875][  T185] PKRU: 55555554
[   10.111089][  T185] Call Trace:
[   10.111303][  T185]  <TASK>
[   10.111485][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.111765][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.111999][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.112269][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.112546][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.112806][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.113093][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.113370][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.113634][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.113912][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.114176][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.114462][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.114733][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.115017][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.115280][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.115551][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.115810][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.116093][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.116376][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.116645][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.116927][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.117192][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.117462][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.117722][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.118002][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.118263][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.118539][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.118808][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.119091][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.119373][  T185]  ? 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))
[   10.119633][  T185]  ? 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))
[   10.119916][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.120183][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.120454][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.120724][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.121009][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.121277][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.121552][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.121817][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.122098][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.122421][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.122699][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.122980][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.123246][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.123535][  T185]  ? 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))
[   10.123804][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.124090][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.124372][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.124643][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.124928][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.125192][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.125475][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.125755][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.126099][  T185] RIP: 0033:0x7f0103bb308e
[   10.126399][  T185] 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
[   10.127226][  T185] RSP: 002b:00007ffcbed0a1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.127630][  T185] RAX: ffffffffffffffda RBX: 00007ffcbed0a938 RCX: 00007f0103bb308e
[   10.128025][  T185] RDX: 0000000000000000 RSI: 00007ffcbed0a250 RDI: 0000000000000005
[   10.128403][  T185] RBP: 00007ffcbed0a1b0 R08: 0000000000000000 R09: 0000000000000000
[   10.128766][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c81a
[   10.129148][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcbed0a910
| [   10.352957][  T203] ------------[ cut here ]------------
| [   10.353179][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/203
| [   10.353444][  T203] Modules linked in: veth
| [   10.353926][  T203] Tainted: [W]=WARN
[   10.354033][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.354217][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.354449][  T203] 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
[   10.354965][  T203] RSP: 0018:ffa0000000516e30 EFLAGS: 00010286
[   10.355150][  T203] RAX: 00000000ffffffa6 RBX: ff11000008dcd540 RCX: 1ff40000000a2d8c
[   10.355370][  T203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008dcd5f8
[   10.355580][  T203] RBP: ff1100000cc64000 R08: 1fe22000011b9ac0 R09: ff11000009f7d180
[   10.355790][  T203] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.356005][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009a57180
[   10.356219][  T203] FS:  00007efedb519840(0000) GS:ff11000098430000(0000) knlGS:0000000000000000
[   10.356472][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.356648][  T203] CR2: 00005558d1da4638 CR3: 000000000938c001 CR4: 0000000000771ef0
[   10.356860][  T203] PKRU: 55555554
[   10.356969][  T203] Call Trace:
[   10.357074][  T203]  <TASK>
[   10.357149][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.357292][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.357403][  T203]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.357578][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[   10.357718][  T203]  ? netif_change_name (net/core/dev.c:1495)
[   10.357866][  T203]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.358010][  T203]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   10.358188][  T203]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.358326][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.358471][  T203]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.358622][  T203] veth_newlink (drivers/net/veth.c:1871) veth
[   10.358766][  T203]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.358946][  T203]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.359089][  T203]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.359231][  T203]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.359395][  T203]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.359537][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.359677][  T203]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.359839][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.359985][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.360148][  T203]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.360291][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.360436][  T203]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.360578][  T203]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.360725][  T203]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.360873][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.361014][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.361156][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.361295][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.361440][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.361579][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.361730][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.361876][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.362017][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.362160][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.362299][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.362448][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.362591][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.362734][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.362885][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.363032][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.363175][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.363323][  T203]  ? 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))
[   10.363473][  T203]  ? 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))
[   10.363615][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.363759][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.363905][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.364049][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.364205][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.364346][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.364505][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.364651][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.364795][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.364980][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[   10.365132][  T203]  ___sys_sendmsg (net/socket.c:2752)
[   10.365276][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.365428][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.365585][  T203]  ? 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))
[   10.365733][  T203]  __sys_sendmsg (net/socket.c:2784)
[   10.365878][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.366024][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.366162][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.366302][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.366446][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.366588][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.366730][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.366908][  T203] RIP: 0033:0x7efedb75308e
[   10.367055][  T203] 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
[   10.367601][  T203] RSP: 002b:00007ffecde759c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.367812][  T203] RAX: ffffffffffffffda RBX: 00007ffecde76158 RCX: 00007efedb75308e
[   10.368027][  T203] RDX: 0000000000000000 RSI: 00007ffecde75a70 RDI: 0000000000000005
[   10.368233][  T203] RBP: 00007ffecde759d0 R08: 0000000000000000 R09: 0000000000000000
[   10.368456][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c81a
[   10.368669][  T203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecde76130
| [   10.379384][  T203] ------------[ cut here ]------------
| [   10.379560][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/203
| [   10.379837][  T203] Modules linked in: veth
| [   10.380345][  T203] Tainted: [W]=WARN
[   10.380463][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.380655][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.380861][  T203] 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
[   10.381391][  T203] RSP: 0018:ffa00000005171b0 EFLAGS: 00010286
[   10.381585][  T203] RAX: 00000000ffffffa6 RBX: ff1100000ae7ba80 RCX: 1ff40000000a2dfc
[   10.381816][  T203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ae7bb38
[   10.382049][  T203] RBP: ff1100000cd3c000 R08: 1fe22000015cf768 R09: ff11000009f7d180
[   10.382272][  T203] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.382504][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.382729][  T203] FS:  00007efedb519840(0000) GS:ff11000098430000(0000) knlGS:0000000000000000
[   10.382994][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.383188][  T203] CR2: 00005558d1da4638 CR3: 000000000938c001 CR4: 0000000000771ef0
[   10.383420][  T203] PKRU: 55555554
[   10.383534][  T203] Call Trace:
[   10.383650][  T203]  <TASK>
[   10.383726][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.383883][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.384006][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[   10.384156][  T203]  ? netif_change_name (net/core/dev.c:1495)
[   10.384304][  T203]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.384461][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.384626][  T203]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.384774][  T203]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.384939][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.385089][  T203]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.385239][  T203]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.385404][  T203]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.385558][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.385716][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.385880][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.386035][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.386185][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.386339][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.386500][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.386657][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.386811][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.386960][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.387098][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.387243][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.387396][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.387534][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.387678][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.387818][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.387976][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.388130][  T203]  ? 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))
[   10.388284][  T203]  ? 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))
[   10.388448][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.388599][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.388758][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.388986][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.389145][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.389296][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.389450][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.389604][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.389749][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.390044][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[   10.390207][  T203]  ___sys_sendmsg (net/socket.c:2752)
[   10.390366][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.390516][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.390681][  T203]  ? 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))
[   10.390953][  T203]  __sys_sendmsg (net/socket.c:2784)
[   10.391239][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.391405][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.391561][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.391712][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.391933][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.392091][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.392248][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.392449][  T203] RIP: 0033:0x7efedb75308e
[   10.392601][  T203] 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
[   10.393153][  T203] RSP: 002b:00007ffecde759c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.393395][  T203] RAX: ffffffffffffffda RBX: 00007ffecde76158 RCX: 00007efedb75308e
[   10.393622][  T203] RDX: 0000000000000000 RSI: 00007ffecde75a70 RDI: 0000000000000005
[   10.393863][  T203] RBP: 00007ffecde759d0 R08: 0000000000000000 R09: 0000000000000000
[   10.394088][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c81a
[   10.394321][  T203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecde76130
| [   10.592559][  T209] ------------[ cut here ]------------
| [   10.592753][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   10.593028][  T209] Modules linked in: veth
| [   10.593488][  T209] Tainted: [W]=WARN
[   10.593628][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.593867][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.594117][  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
[   10.594781][  T209] RSP: 0018:ffa0000000786e30 EFLAGS: 00010286
[   10.595026][  T209] RAX: 00000000ffffffa6 RBX: ff11000008b603c0 RCX: 1ff40000000f0d8c
[   10.595312][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008b60478
[   10.595595][  T209] RBP: ff11000009cfc000 R08: 1fe220000116c090 R09: ff1100000cb90b80
[   10.595877][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.596102][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009ef1580
[   10.596319][  T209] FS:  00007f446384f840(0000) GS:ff11000098530000(0000) knlGS:0000000000000000
[   10.596575][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.596757][  T209] CR2: 000000000042ebe0 CR3: 000000000bc5a005 CR4: 0000000000771ef0
[   10.596980][  T209] PKRU: 55555554
[   10.597086][  T209] Call Trace:
[   10.597194][  T209]  <TASK>
[   10.597268][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.597418][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.597562][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.597682][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.597842][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.598001][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.598160][  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)
[   10.598314][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.598467][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.598612][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.598766][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.598922][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.599081][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.599233][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.599398][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.599548][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.599698][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.599861][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   10.600021][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.600206][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.600359][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.600516][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.600686][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.600848][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.601018][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.601164][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.601323][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.601486][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.601642][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.601795][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.601956][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.602106][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.602250][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.602400][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.602546][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.602694][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.602854][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.603016][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.603176][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.603334][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.603503][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.603642][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.603783][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.603933][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.604083][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.604247][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.604400][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.604562][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.604722][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.604879][  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))
[   10.605033][  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))
[   10.605185][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.605336][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.605503][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.605663][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.605819][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.605976][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.606132][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.606290][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.606445][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.606641][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.606794][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.606958][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.607111][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.607271][  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))
[   10.607437][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.607576][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.607723][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.607870][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.608011][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.608153][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.608293][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.608439][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.608615][  T209] RIP: 0033:0x7f4463a8908e
[   10.608764][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.609263][  T209] RSP: 002b:00007ffd34cac840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.609479][  T209] RAX: ffffffffffffffda RBX: 00007ffd34cacfd8 RCX: 00007f4463a8908e
[   10.609692][  T209] RDX: 0000000000000000 RSI: 00007ffd34cac8f0 RDI: 0000000000000005
[   10.609909][  T209] RBP: 00007ffd34cac850 R08: 0000000000000000 R09: 0000000000000000
[   10.610118][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c81a
[   10.610327][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd34cacfb0
| [   10.619773][  T209] ------------[ cut here ]------------
| [   10.620495][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   10.620736][  T209] Modules linked in: veth
| [   10.621196][  T209] Tainted: [W]=WARN
[   10.621303][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.621542][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.621726][  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
[   10.622275][  T209] RSP: 0018:ffa00000007871b0 EFLAGS: 00010286
[   10.622453][  T209] RAX: 00000000ffffffa6 RBX: ff1100000af89380 RCX: 1ff40000000f0dfc
[   10.622654][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000af89438
[   10.622916][  T209] RBP: ff1100000831c000 R08: 1fe22000015f1288 R09: ff1100000cb90b80
[   10.623119][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.623320][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.623528][  T209] FS:  00007f446384f840(0000) GS:ff11000098530000(0000) knlGS:0000000000000000
[   10.623769][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.624000][  T209] CR2: 000000000042ebe0 CR3: 000000000bc5a005 CR4: 0000000000771ef0
[   10.624208][  T209] PKRU: 55555554
[   10.624308][  T209] Call Trace:
[   10.624430][  T209]  <TASK>
[   10.624503][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.624648][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.624752][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.624955][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.625097][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.625236][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.625382][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.625520][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.625659][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.625796][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.626001][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.626152][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.626304][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.626444][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.626581][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.626720][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.626917][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.627052][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.627201][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.627346][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.627488][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.627629][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.627767][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.627961][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.628100][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.628238][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.628383][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.628524][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.628678][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.628904][  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))
[   10.629054][  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))
[   10.629216][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.629381][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.629530][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.629688][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.629898][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.630038][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.630180][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.630321][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.630480][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.630657][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.630817][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.631038][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.631254][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.631425][  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))
[   10.631579][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.631730][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.631955][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.632121][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.632269][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.632424][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.632576][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.632729][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.632982][  T209] RIP: 0033:0x7f4463a8908e
[   10.633166][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.633704][  T209] RSP: 002b:00007ffd34cac840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.633991][  T209] RAX: ffffffffffffffda RBX: 00007ffd34cacfd8 RCX: 00007f4463a8908e
[   10.634204][  T209] RDX: 0000000000000000 RSI: 00007ffd34cac8f0 RDI: 0000000000000005
[   10.634431][  T209] RBP: 00007ffd34cac850 R08: 0000000000000000 R09: 0000000000000000
[   10.634650][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c81a


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