======================================
| xx__-> [    9.963678][  T185] ------------[ cut here ]------------
| [    9.964049][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.964316][  T185] Modules linked in: veth
| [    9.964803][  T185] Tainted: [W]=WARN
[    9.964912][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.965091][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.965318][  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
[    9.965836][  T185] RSP: 0018:ffa0000000926e30 EFLAGS: 00010286
[    9.966025][  T185] RAX: 00000000ffffffa6 RBX: ff1100000c480580 RCX: 1ff4000000124d8c
[    9.966246][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c480638
[    9.966467][  T185] RBP: ff1100000c6ac000 R08: 1fe22000018900c8 R09: ff11000004c25180
[    9.966682][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.966901][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002164780
[    9.967117][  T185] FS:  00007f7f48c26840(0000) GS:ff11000095130000(0000) knlGS:0000000000000000
[    9.967375][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.967553][  T185] CR2: 000056053dcbbd30 CR3: 0000000004f10004 CR4: 0000000000771ef0
[    9.967769][  T185] PKRU: 55555554
[    9.967875][  T185] Call Trace:
[    9.967981][  T185]  <TASK>
[    9.968058][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.968244][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.968393][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.968500][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.968644][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.968793][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.968936][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.969078][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.969224][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.969372][  T185]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.969554][  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)
[    9.969738][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.969880][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.970025][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.970169][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.970317][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.970500][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.970661][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.970814][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.970971][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.971114][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.971260][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.971406][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.971549][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.971691][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.971841][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.971981][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.972123][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.972278][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.972429][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.972572][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.972716][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.972864][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.973007][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.973147][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.973298][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.973447][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.973588][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.973734][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.973876][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.974018][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.974165][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.974312][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.974463][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.974606][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.974755][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.974901][  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))
[    9.975043][  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))
[    9.975186][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.975331][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.975477][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.975621][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.975768][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.975912][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.976058][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.976203][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.976449][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.976754][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.976978][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.977122][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.977270][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.977431][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.977573][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.977716][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.977864][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.978010][  T185]  ? 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)
[    9.978156][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.978304][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.978456][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.978600][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.978751][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.978895][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.979073][  T185] RIP: 0033:0x7f7f48e6008e
[    9.979233][  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
[    9.980107][  T185] RSP: 002b:00007ffd735119e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.980370][  T185] RAX: ffffffffffffffda RBX: 00007ffd73512178 RCX: 00007f7f48e6008e
[    9.980582][  T185] RDX: 0000000000000000 RSI: 00007ffd73511a90 RDI: 0000000000000005
[    9.980798][  T185] RBP: 00007ffd735119f0 R08: 0000000000000000 R09: 0000000000000000
[    9.981007][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cda8
[    9.981223][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd73512150
| [   10.011392][  T185] ------------[ cut here ]------------
| [   10.011654][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [   10.012578][  T185] Modules linked in: veth
| [   10.013302][  T185] Tainted: [W]=WARN
[   10.013477][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.013772][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.014076][  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
[   10.014917][  T185] RSP: 0018:ffa00000009271b0 EFLAGS: 00010286
[   10.015214][  T185] RAX: 00000000ffffffa6 RBX: ff1100000d4c1a80 RCX: 1ff4000000124dfc
[   10.015574][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d4c1b38
[   10.015927][  T185] RBP: ff11000007a11000 R08: 1fe2200001a98368 R09: ff11000004c25180
[   10.016274][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.016626][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.016991][  T185] FS:  00007f7f48c26840(0000) GS:ff11000095130000(0000) knlGS:0000000000000000
[   10.017435][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.017722][  T185] CR2: 000056053dcbbd30 CR3: 0000000004f10004 CR4: 0000000000771ef0
[   10.018068][  T185] PKRU: 55555554
[   10.018243][  T185] Call Trace:
[   10.018425][  T185]  <TASK>
[   10.018547][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.018796][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.018975][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.019209][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.019450][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.019683][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.019926][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.020153][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.020393][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.020628][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.020864][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.021095][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.021308][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.021526][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.021760][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.021985][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.022207][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.022437][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.022662][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.022896][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.023125][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.023373][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.023611][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.023856][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.024096][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.024332][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.024578][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.024815][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.025045][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.025281][  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))
[   10.025515][  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))
[   10.025760][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.025999][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.026236][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.026477][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.026717][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.026963][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.027208][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.027458][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.027693][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.027991][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.028240][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.028483][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.028720][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.028993][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.029232][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.029473][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.029706][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.029956][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.030198][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.030439][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.030679][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.030922][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.031131][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.031279][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.031459][  T185] RIP: 0033:0x7f7f48e6008e
[   10.031607][  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
[   10.032109][  T185] RSP: 002b:00007ffd735119e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.032323][  T185] RAX: ffffffffffffffda RBX: 00007ffd73512178 RCX: 00007f7f48e6008e
[   10.032534][  T185] RDX: 0000000000000000 RSI: 00007ffd73511a90 RDI: 0000000000000005
[   10.032750][  T185] RBP: 00007ffd735119f0 R08: 0000000000000000 R09: 0000000000000000
[   10.032957][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cda8
[   10.033167][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd73512150
| [   10.188410][  T196] ------------[ cut here ]------------
| [   10.188607][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/196
| [   10.188866][  T196] Modules linked in: veth
| [   10.189279][  T196] Tainted: [W]=WARN
[   10.189392][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.189568][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.189758][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.190268][  T196] RSP: 0018:ffa0000000786e30 EFLAGS: 00010286
[   10.190453][  T196] RAX: 00000000ffffffa6 RBX: ff1100000569a040 RCX: 1ff40000000f0d8c
[   10.190669][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000569a0f8
[   10.190891][  T196] RBP: ff11000001dd4000 R08: 1fe2200000ad3420 R09: ff11000004f00b80
[   10.191136][  T196] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.191371][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008285900
[   10.191586][  T196] FS:  00007f0ecd875840(0000) GS:ff11000095130000(0000) knlGS:0000000000000000
[   10.191839][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.192015][  T196] CR2: 000000000042ebe0 CR3: 000000000c4b2005 CR4: 0000000000771ef0
[   10.192231][  T196] PKRU: 55555554
[   10.192337][  T196] Call Trace:
[   10.192450][  T196]  <TASK>
[   10.192525][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.192668][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.192779][  T196]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.192964][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   10.193107][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   10.193258][  T196]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.193402][  T196]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.193542][  T196]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.193683][  T196]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.193830][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.193971][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.194112][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.194258][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.194399][  T196]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.194541][  T196] veth_newlink (drivers/net/veth.c:1871) veth
[   10.194684][  T196]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.194867][  T196]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.195011][  T196]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.195152][  T196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.195312][  T196]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.195461][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.195603][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.195748][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.195889][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.196035][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.196179][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.196327][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.196475][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.196621][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.196773][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.196915][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.197055][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.197196][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.197341][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.197488][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.197632][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.197775][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.197914][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.198054][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.198192][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.198339][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.198487][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.198629][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.198774][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.198913][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.199054][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.199197][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.199340][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.199484][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.199629][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.199773][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.199915][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.200057][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.200199][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.200349][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.200496][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.200636][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.200813][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   10.200956][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   10.201097][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.201241][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.201394][  T196]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.201536][  T196]  __sys_sendmsg (net/socket.c:2784)
[   10.201679][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.201827][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.201968][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.202109][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.202253][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.202400][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.202540][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.202715][  T196] RIP: 0033:0x7f0ecdaaf08e
[   10.202869][  T196] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.203370][  T196] RSP: 002b:00007ffcd0245f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.203581][  T196] RAX: ffffffffffffffda RBX: 00007ffcd02466b8 RCX: 00007f0ecdaaf08e
[   10.203795][  T196] RDX: 0000000000000000 RSI: 00007ffcd0245fd0 RDI: 0000000000000005
[   10.204004][  T196] RBP: 00007ffcd0245f30 R08: 0000000000000000 R09: 0000000000000000
[   10.204218][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cda8
[   10.204432][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd0246690
| [   10.214863][  T196] ------------[ cut here ]------------
| [   10.215015][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/196
| [   10.215258][  T196] Modules linked in: veth
| [   10.215666][  T196] Tainted: [W]=WARN
[   10.215773][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.215942][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.216122][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.216617][  T196] RSP: 0018:ffa00000007871b0 EFLAGS: 00010286
[   10.216794][  T196] RAX: 00000000ffffffa6 RBX: ff11000008a8fe00 RCX: 1ff40000000f0dfc
[   10.216997][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a8feb8
[   10.217202][  T196] RBP: ff11000005349000 R08: 1fe2200001151fd8 R09: ff11000004f00b80
[   10.217415][  T196] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.217616][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.217824][  T196] FS:  00007f0ecd875840(0000) GS:ff11000095130000(0000) knlGS:0000000000000000
[   10.218066][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.218243][  T196] CR2: 000000000042ebe0 CR3: 000000000c4b2005 CR4: 0000000000771ef0
[   10.218454][  T196] PKRU: 55555554
[   10.218561][  T196] Call Trace:
[   10.218668][  T196]  <TASK>
[   10.218750][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.218898][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.219012][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   10.219161][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   10.219315][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.219466][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.219613][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.219759][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.219901][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.220044][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.220183][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.220327][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.220472][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.220608][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.220751][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.220889][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.221022][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.221158][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.221300][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.221442][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.221576][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.221709][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.221849][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.221983][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.222120][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.222258][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.222398][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.222535][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.222671][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.222816][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.222951][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.223088][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.223231][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.223374][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.223510][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.223647][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.223791][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.223931][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.224077][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.224218][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.224392][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   10.224534][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   10.224668][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.224808][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.224953][  T196]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.225093][  T196]  __sys_sendmsg (net/socket.c:2784)
[   10.225237][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.225381][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.225520][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.225659][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.225800][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.225936][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.226074][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.226250][  T196] RIP: 0033:0x7f0ecdaaf08e
[   10.226398][  T196] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.226911][  T196] RSP: 002b:00007ffcd0245f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.227120][  T196] RAX: ffffffffffffffda RBX: 00007ffcd02466b8 RCX: 00007f0ecdaaf08e
[   10.227328][  T196] RDX: 0000000000000000 RSI: 00007ffcd0245fd0 RDI: 0000000000000005
[   10.227565][  T196] RBP: 00007ffcd0245f30 R08: 0000000000000000 R09: 0000000000000000
[   10.227771][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cda8
[   10.227974][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd0246690
| [   10.536168][  T209] ------------[ cut here ]------------
| [   10.536363][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/209
| [   10.536614][  T209] Modules linked in: veth
| [   10.537026][  T209] Tainted: [W]=WARN
[   10.537138][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.537322][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.537516][  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
[   10.538028][  T209] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[   10.538212][  T209] RAX: 00000000ffffffa6 RBX: ff1100000569be00 RCX: 1ff4000000112d8c
[   10.538429][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000569beb8
[   10.538640][  T209] RBP: ff11000001db4000 R08: 1fe2200000ad37d8 R09: ff1100000d138b80
[   10.538952][  T209] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.539181][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005720400
[   10.539412][  T209] FS:  00007fec781bb840(0000) GS:ff11000094fb0000(0000) knlGS:0000000000000000
[   10.539660][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.539846][  T209] CR2: 0000564c2bdcfd5c CR3: 0000000004bfb001 CR4: 0000000000771ef0
[   10.540055][  T209] PKRU: 55555554
[   10.540164][  T209] Call Trace:
[   10.540275][  T209]  <TASK>
[   10.540353][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.540497][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.540638][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.540752][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.540893][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.541033][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.541173][  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)
[   10.541318][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.541466][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.541607][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.541753][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.541894][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.542035][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.542176][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.542324][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.542468][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.542608][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.542758][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   10.542900][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.543074][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.543219][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.543364][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.543522][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.543665][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.543811][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.543949][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.544090][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.544237][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.544385][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.544527][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.544667][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.544820][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.544966][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.545108][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.545256][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.545418][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.545557][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.545695][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.545844][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.545987][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.546132][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.546280][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.546422][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.546565][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.546706][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.546852][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.546992][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.547143][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.547291][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.547440][  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))
[   10.547582][  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))
[   10.547732][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.547876][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.548022][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.548169][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.548320][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.548466][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.548608][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.548757][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.548898][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.549074][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.549225][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.549372][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.549513][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.549663][  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))
[   10.549809][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.549948][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.550092][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.550242][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.550389][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.550530][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.550671][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.550819][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.550992][  T209] RIP: 0033:0x7fec783f508e
[   10.551141][  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
[   10.551656][  T209] RSP: 002b:00007fff8d1eb4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.551876][  T209] RAX: ffffffffffffffda RBX: 00007fff8d1ebc68 RCX: 00007fec783f508e
[   10.552087][  T209] RDX: 0000000000000000 RSI: 00007fff8d1eb580 RDI: 0000000000000005
[   10.552302][  T209] RBP: 00007fff8d1eb4e0 R08: 0000000000000000 R09: 0000000000000000
[   10.552519][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cda8
[   10.552736][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8d1ebc40
| [   10.563940][  T209] ------------[ cut here ]------------
| [   10.564096][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/209
| [   10.564353][  T209] Modules linked in: veth
| [   10.564758][  T209] Tainted: [W]=WARN
[   10.564868][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.565042][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.565226][  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
[   10.565731][  T209] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[   10.565906][  T209] RAX: 00000000ffffffa6 RBX: ff1100000f41e200 RCX: 1ff4000000112dfc
[   10.566112][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f41e2b8
[   10.566324][  T209] RBP: ff11000007cc9000 R08: 1fe2200001e83c58 R09: ff1100000d138b80
[   10.566545][  T209] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.566758][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.566963][  T209] FS:  00007fec781bb840(0000) GS:ff11000094fb0000(0000) knlGS:0000000000000000
[   10.567204][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.567389][  T209] CR2: 0000564c2bdcfd5c CR3: 0000000004bfb001 CR4: 0000000000771ef0
[   10.567598][  T209] PKRU: 55555554
[   10.567703][  T209] Call Trace:
[   10.567809][  T209]  <TASK>
[   10.567881][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.568021][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.568128][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.568271][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.568413][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.568549][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.568691][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.568925][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.569066][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.569202][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.569342][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.569492][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.569634][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.569776][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.569913][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.570052][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.570187][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.570324][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.570468][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.570606][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.570751][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.570887][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.571024][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.571162][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.571307][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.571449][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.571589][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.571732][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.571873][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.572015][  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))
[   10.572151][  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))
[   10.572294][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.572437][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.572574][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.572712][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.572855][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.572995][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.573138][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.573284][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.573429][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.573599][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.573745][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.573882][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.574019][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.574167][  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))
[   10.574314][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.574456][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.574599][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.574741][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.574881][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.575020][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.575160][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.575305][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.575483][  T209] RIP: 0033:0x7fec783f508e
[   10.575643][  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
[   10.576147][  T209] RSP: 002b:00007fff8d1eb4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.576365][  T209] RAX: ffffffffffffffda RBX: 00007fff8d1ebc68 RCX: 00007fec783f508e
[   10.576571][  T209] RDX: 0000000000000000 RSI: 00007fff8d1eb580 RDI: 0000000000000005
[   10.576785][  T209] RBP: 00007fff8d1eb4e0 R08: 0000000000000000 R09: 0000000000000000
[   10.576993][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cda8


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