======================================
| xx__-> [   10.678138][  T186] ------------[ cut here ]------------
| [   10.678366][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   10.678681][  T186] Modules linked in: veth
| [   10.679120][  T186] Tainted: [W]=WARN
[   10.679237][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.679420][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.679730][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.680246][  T186] RSP: 0018:ffa0000000856e30 EFLAGS: 00010286
[   10.680441][  T186] RAX: 00000000ffffffa6 RBX: ff1100000aaef8c0 RCX: 1ff400000010ad8c
[   10.680740][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aaef978
[   10.680955][  T186] RBP: ff110000079e9000 R08: 1fe220000155df30 R09: ff1100000cddd180
[   10.681170][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.681390][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009fa0b00
[   10.681783][  T186] FS:  00007f0890124840(0000) GS:ff110000793b0000(0000) knlGS:0000000000000000
[   10.682040][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.682253][  T186] CR2: 000055b43cdfed30 CR3: 000000000d495005 CR4: 0000000000771ef0
[   10.682476][  T186] PKRU: 55555554
[   10.682684][  T186] Call Trace:
[   10.682793][  T186]  <TASK>
[   10.682869][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.683053][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.683197][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.683311][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.683459][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.683691][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.683837][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.683989][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.684178][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.684357][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.684542][  T186]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   10.684811][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.684953][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.685095][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.685241][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.685392][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.685661][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.685810][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.685953][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.686116][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.686269][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.686415][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.686563][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.686796][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.686944][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.687090][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.687237][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.687384][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.687543][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.687778][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.687925][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.688073][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.688220][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.688376][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.688523][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.688755][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.688902][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.689045][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.689189][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.689349][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.689511][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.689755][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.689909][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.690060][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.690205][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.690354][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.690508][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.690736][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.690884][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.691027][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.691171][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.691323][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.691471][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.691732][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.691884][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.692028][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.692171][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.692459][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.692698][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.692843][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.692987][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.693144][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.693303][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.693447][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.694143][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.694299][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.694543][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.695006][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.695154][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.695304][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.695553][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.695814][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.695990][  T186] RIP: 0033:0x7f089035e08e
[   10.696244][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.697191][  T186] RSP: 002b:00007fff38b9f910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.697430][  T186] RAX: ffffffffffffffda RBX: 00007fff38ba00a8 RCX: 00007f089035e08e
[   10.697772][  T186] RDX: 0000000000000000 RSI: 00007fff38b9f9c0 RDI: 0000000000000005
[   10.697985][  T186] RBP: 00007fff38b9f920 R08: 0000000000000000 R09: 0000000000000000
[   10.698198][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca3c
[   10.698554][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff38ba0080
| [   10.715389][  T186] ------------[ cut here ]------------
| [   10.715570][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   10.716071][  T186] Modules linked in: veth
| [   10.716471][  T186] Tainted: [W]=WARN
[   10.716588][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.716763][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.716943][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.717456][  T186] RSP: 0018:ffa00000008571b0 EFLAGS: 00010286
[   10.717640][  T186] RAX: 00000000ffffffa6 RBX: ff11000004a76e40 RCX: 1ff400000010adfc
[   10.717890][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a76ef8
[   10.718099][  T186] RBP: ff110000051b4000 R08: 1fe220000094ede0 R09: ff1100000cddd180
[   10.718313][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.718526][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.718742][  T186] FS:  00007f0890124840(0000) GS:ff110000793b0000(0000) knlGS:0000000000000000
[   10.718989][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.719163][  T186] CR2: 000055b43cdfed30 CR3: 000000000d495005 CR4: 0000000000771ef0
[   10.719375][  T186] PKRU: 55555554
[   10.719479][  T186] Call Trace:
[   10.719595][  T186]  <TASK>
[   10.719668][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.719808][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.719916][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.720058][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.720199][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.720340][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.720480][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.720627][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.720768][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.720905][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.721043][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.721186][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.721343][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.721482][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.721632][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.721770][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.721908][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.722045][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.722189][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.722335][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.722472][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.722621][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.722759][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.722902][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.723043][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.723181][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.723327][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.723467][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.723617][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.723759][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.723896][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.724036][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.724176][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.724320][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.724461][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.724619][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.724769][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.724910][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.725049][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.725189][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.725372][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.725521][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.725670][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.725809][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.725960][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.726100][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.726239][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.726381][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.726531][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.726676][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.726816][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.726958][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.727098][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.727237][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.727379][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.727557][  T186] RIP: 0033:0x7f089035e08e
[   10.727707][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.728201][  T186] RSP: 002b:00007fff38b9f910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.728413][  T186] RAX: ffffffffffffffda RBX: 00007fff38ba00a8 RCX: 00007f089035e08e
[   10.728634][  T186] RDX: 0000000000000000 RSI: 00007fff38b9f9c0 RDI: 0000000000000005
[   10.728841][  T186] RBP: 00007fff38b9f920 R08: 0000000000000000 R09: 0000000000000000
[   10.729046][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca3c
[   10.729253][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff38ba0080
| [   10.902762][  T193] ------------[ cut here ]------------
| [   10.903020][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [   10.903318][  T193] Modules linked in: veth
| [   10.903812][  T193] Tainted: [W]=WARN
[   10.903921][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.904098][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.904296][  T193] 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
[   10.904870][  T193] RSP: 0018:ffa00000007a6e30 EFLAGS: 00010286
[   10.905054][  T193] RAX: 00000000ffffffa6 RBX: ff11000009a17e00 RCX: 1ff40000000f4d8c
[   10.905271][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009a17eb8
[   10.905478][  T193] RBP: ff11000009dac000 R08: 1fe2200001342fd8 R09: ff1100000c9bd180
[   10.905728][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.905943][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094da380
[   10.906159][  T193] FS:  00007fb1a300a840(0000) GS:ff11000079430000(0000) knlGS:0000000000000000
[   10.906422][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.906612][  T193] CR2: 00007fb1a3371f6d CR3: 0000000004ddd003 CR4: 0000000000771ef0
[   10.906823][  T193] PKRU: 55555554
[   10.906930][  T193] Call Trace:
[   10.907036][  T193]  <TASK>
[   10.907110][  T193]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   10.907258][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.907406][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.907518][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.907670][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   10.907811][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.907953][  T193]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.908091][  T193]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.908229][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   10.908387][  T193]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   10.908569][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.908725][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.908869][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[   10.909013][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.909188][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.909356][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.909521][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.909715][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.909856][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.909997][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.910135][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.910284][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.910423][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.910570][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.910716][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.910855][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.910999][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.911142][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.911292][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.911430][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.911610][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.911754][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.911891][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.912034][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.912173][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.912315][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.912452][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.912613][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.912751][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.912895][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.913032][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.913180][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.913329][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.913469][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.913624][  T193]  ? 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))
[   10.913762][  T193]  ? 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))
[   10.913904][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.914044][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.914184][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.914331][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.914472][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.914634][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.914777][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.914918][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.915058][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.915240][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   10.915401][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   10.915546][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.915689][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.915838][  T193]  ? 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))
[   10.915981][  T193]  __sys_sendmsg (net/socket.c:2784)
[   10.916124][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.916273][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.916412][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.916557][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.916702][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.916843][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.916987][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.917161][  T193] RIP: 0033:0x7fb1a324408e
[   10.917309][  T193] 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
[   10.917823][  T193] RSP: 002b:00007fff37051820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.918033][  T193] RAX: ffffffffffffffda RBX: 00007fff37051fb8 RCX: 00007fb1a324408e
[   10.918242][  T193] RDX: 0000000000000000 RSI: 00007fff370518d0 RDI: 0000000000000005
[   10.918453][  T193] RBP: 00007fff37051830 R08: 0000000000000000 R09: 0000000000000000
[   10.918672][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca3d
[   10.918891][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff37051f90
| [   10.937840][  T193] ------------[ cut here ]------------
| [   10.937999][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [   10.938249][  T193] Modules linked in: veth
| [   10.939339][  T193] Tainted: [W]=WARN
[   10.939446][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.939717][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.939913][  T193] 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
[   10.940413][  T193] RSP: 0018:ffa00000007a71b0 EFLAGS: 00010286
[   10.940701][  T193] RAX: 00000000ffffffa6 RBX: ff1100000ab84c80 RCX: 1ff40000000f4dfc
[   10.940909][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ab84d38
[   10.941115][  T193] RBP: ff11000007c39000 R08: 1fe22000015709a8 R09: ff1100000c9bd180
[   10.941326][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.941652][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.941861][  T193] FS:  00007fb1a300a840(0000) GS:ff110000793b0000(0000) knlGS:0000000000000000
[   10.942104][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.942283][  T193] CR2: 00007f916c6c623c CR3: 0000000004ddd005 CR4: 0000000000771ef0
[   10.942497][  T193] PKRU: 55555554
[   10.942687][  T193] Call Trace:
[   10.942789][  T193]  <TASK>
[   10.942863][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.943003][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.943109][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   10.943248][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   10.943392][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.943535][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.943780][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.943924][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.944064][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.944204][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.944349][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.944499][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.944733][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.944875][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.945012][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.945151][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.945295][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.945434][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.945684][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.945824][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.945987][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.946126][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.946271][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.946410][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.946560][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.946777][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.946923][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.947071][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.947211][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.947359][  T193]  ? 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))
[   10.947506][  T193]  ? 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))
[   10.947734][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.947874][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.948011][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.948154][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.948298][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.948439][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.948659][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.948799][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.948935][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.949110][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   10.949254][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   10.949397][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.949540][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.949694][  T193]  ? 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))
[   10.949834][  T193]  __sys_sendmsg (net/socket.c:2784)
[   10.949973][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.950118][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.950258][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.950399][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.950560][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.950715][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.950858][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.951029][  T193] RIP: 0033:0x7fb1a324408e
[   10.951171][  T193] 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
[   10.951700][  T193] RSP: 002b:00007fff37051820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.951907][  T193] RAX: ffffffffffffffda RBX: 00007fff37051fb8 RCX: 00007fb1a324408e
[   10.952112][  T193] RDX: 0000000000000000 RSI: 00007fff370518d0 RDI: 0000000000000005
[   10.952322][  T193] RBP: 00007fff37051830 R08: 0000000000000000 R09: 0000000000000000
[   10.952531][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca3d
[   10.952737][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff37051f90
| [   11.136189][  T211] ------------[ cut here ]------------
| [   11.136381][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   11.137303][  T211] Modules linked in: veth
| [   11.137777][  T211] Tainted: [W]=WARN
[   11.137890][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.138071][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.138268][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.138847][  T211] RSP: 0018:ffa0000000856e30 EFLAGS: 00010286
[   11.139086][  T211] RAX: 00000000ffffffa6 RBX: ff1100000d59b1c0 RCX: 1ff400000010ad8c
[   11.139307][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d59b278
[   11.139525][  T211] RBP: ff11000009d54000 R08: 1fe2200001ab3650 R09: ff1100000cd2d180
[   11.139809][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.140019][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b2f2e00
[   11.140231][  T211] FS:  00007fe6e761e840(0000) GS:ff11000079530000(0000) knlGS:0000000000000000
[   11.140485][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.140746][  T211] CR2: 000000000042ebe0 CR3: 000000000d46b005 CR4: 0000000000771ef0
[   11.141027][  T211] PKRU: 55555554
[   11.141133][  T211] Call Trace:
[   11.141240][  T211]  <TASK>
[   11.141319][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.141470][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.141682][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.141789][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.141933][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   11.142074][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.142215][  T211]  ? 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)
[   11.142365][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   11.142510][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.142714][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.142855][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.142997][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.143147][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.143298][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.143441][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.143652][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.143795][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.143940][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[   11.144086][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.144269][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.144413][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.144560][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.144778][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.144922][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.145066][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.145208][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.145356][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.145508][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.145711][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.145860][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.146001][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.146148][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.146298][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.146441][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.146616][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.146758][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.146899][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.147041][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.147188][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.147338][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.147479][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.147632][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.147772][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.147914][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.148067][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.148208][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.148356][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.148502][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.148655][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.148804][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.148947][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.149091][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.149241][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.149390][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.149537][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.149685][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.149830][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.149975][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.150117][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.150271][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.150447][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   11.150610][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   11.150751][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.150897][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.151047][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.151192][  T211]  __sys_sendmsg (net/socket.c:2784)
[   11.151341][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.151487][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.151639][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.151780][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.151923][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.152063][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.152210][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.152390][  T211] RIP: 0033:0x7fe6e785808e
[   11.152543][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.153055][  T211] RSP: 002b:00007ffdfc054100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.153272][  T211] RAX: ffffffffffffffda RBX: 00007ffdfc054898 RCX: 00007fe6e785808e
[   11.153482][  T211] RDX: 0000000000000000 RSI: 00007ffdfc0541b0 RDI: 0000000000000005
[   11.153701][  T211] RBP: 00007ffdfc054110 R08: 0000000000000000 R09: 0000000000000000
[   11.153914][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca3d
[   11.154123][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdfc054870
| [   11.179864][  T211] ------------[ cut here ]------------
| [   11.180058][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   11.180342][  T211] Modules linked in: veth
| [   11.180994][  T211] Tainted: [W]=WARN
[   11.181144][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.181328][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.181521][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.182078][  T211] RSP: 0018:ffa00000008571b0 EFLAGS: 00010286
[   11.182264][  T211] RAX: 00000000ffffffa6 RBX: ff1100000aaee3c0 RCX: 1ff400000010adfc
[   11.182479][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aaee478
[   11.182702][  T211] RBP: ff11000009cf4000 R08: 1fe220000155dc90 R09: ff1100000cd2d180
[   11.182924][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.183134][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.183357][  T211] FS:  00007fe6e761e840(0000) GS:ff11000079530000(0000) knlGS:0000000000000000
[   11.183614][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.183792][  T211] CR2: 00007ffd07616b18 CR3: 000000000d46b005 CR4: 0000000000771ef0
[   11.184008][  T211] PKRU: 55555554
[   11.184116][  T211] Call Trace:
[   11.184225][  T211]  <TASK>
[   11.184305][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.184450][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.184565][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   11.184730][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   11.184876][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.185015][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.185166][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.185314][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.185462][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.185614][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.185757][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.185907][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.186050][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.186194][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.186340][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.186480][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.186631][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.186770][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.186916][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.187057][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.187196][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.187340][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.187478][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.187636][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.187777][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.187920][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.188060][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.188200][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.188344][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.188495][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.188643][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.188785][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.188928][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.189067][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.189206][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.189360][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.189506][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.189656][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.189805][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.189947][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.190126][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   11.190278][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   11.190417][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.190567][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.190723][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.190878][  T211]  __sys_sendmsg (net/socket.c:2784)
[   11.191022][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.191170][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.191322][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.191465][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.191616][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.191756][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.191900][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.192074][  T211] RIP: 0033:0x7fe6e785808e
[   11.192224][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.192755][  T211] RSP: 002b:00007ffdfc054100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.192975][  T211] RAX: ffffffffffffffda RBX: 00007ffdfc054898 RCX: 00007fe6e785808e
[   11.193189][  T211] RDX: 0000000000000000 RSI: 00007ffdfc0541b0 RDI: 0000000000000005
[   11.193409][  T211] RBP: 00007ffdfc054110 R08: 0000000000000000 R09: 0000000000000000
[   11.193636][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca3d


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