======================================
| xx__-> [    8.974626][  T186] ------------[ cut here ]------------
| [    8.974847][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    8.975131][  T186] Modules linked in: veth
| [    8.975538][  T186] Tainted: [W]=WARN
[    8.975640][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.975819][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.975996][  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
[    8.976484][  T186] RSP: 0018:ffa0000000926e30 EFLAGS: 00010286
[    8.976656][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c62a900 RCX: 1ff4000000124d8c
[    8.976868][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c62a9b8
[    8.977079][  T186] RBP: ff11000008749000 R08: 1fe22000018c5538 R09: ff1100000cd22e80
[    8.977321][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.977522][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c540780
[    8.977732][  T186] FS:  00007fdd351ac840(0000) GS:ff1100007c330000(0000) knlGS:0000000000000000
[    8.977973][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.978152][  T186] CR2: 000000000042ebe0 CR3: 000000000d785005 CR4: 0000000000771ef0
[    8.978356][  T186] PKRU: 55555554
[    8.978457][  T186] Call Trace:
[    8.978558][  T186]  <TASK>
[    8.978636][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.978817][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.978953][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.979061][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.979200][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.979335][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    8.979471][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.979607][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    8.979754][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.979891][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.980033][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.980171][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.980304][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.980439][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    8.980578][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    8.980719][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    8.980893][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.981133][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.981268][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.981419][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.981647][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.981796][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.981930][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.982071][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.982298][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.982436][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.982570][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.982712][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.982859][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.983274][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.983504][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.983638][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.983873][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.984013][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.984147][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.984377][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.984604][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.984750][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.984885][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.985117][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.985251][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.985389][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.985612][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.985758][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.985893][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.986035][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.986177][  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))
[    8.986312][  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))
[    8.986450][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.986586][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.986820][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.987052][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.987192][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.987329][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.987470][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.987606][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.987754][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.987923][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    8.988070][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    8.988209][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.988436][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.988583][  T186]  __sys_sendmsg (net/socket.c:2784)
[    8.988734][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.988872][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.989016][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.989155][  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)
[    8.989292][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.989428][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.989565][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.989706][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.989939][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.990175][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.990343][  T186] RIP: 0033:0x7fdd353e608e
[    8.990488][  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
[    8.991179][  T186] RSP: 002b:00007ffdeca576a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.991386][  T186] RAX: ffffffffffffffda RBX: 00007ffdeca57e38 RCX: 00007fdd353e608e
[    8.991591][  T186] RDX: 0000000000000000 RSI: 00007ffdeca57750 RDI: 0000000000000005
[    8.991805][  T186] RBP: 00007ffdeca576b0 R08: 0000000000000000 R09: 0000000000000000
[    8.992201][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c685
[    8.992502][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdeca57e10
| [    9.003485][  T186] ------------[ cut here ]------------
| [    9.003634][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.003879][  T186] Modules linked in: veth
| [    9.004269][  T186] Tainted: [W]=WARN
[    9.004370][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.004532][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.004707][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.005185][  T186] RSP: 0018:ffa00000009271b0 EFLAGS: 00010286
[    9.005350][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b840e40 RCX: 1ff4000000124dfc
[    9.005545][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b840ef8
[    9.005750][  T186] RBP: ff1100000a0c4000 R08: 1fe22000017081e0 R09: ff1100000cd22e80
[    9.005944][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.006144][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.006339][  T186] FS:  00007fdd351ac840(0000) GS:ff1100007c330000(0000) knlGS:0000000000000000
[    9.006567][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.006742][  T186] CR2: 000000000042ebe0 CR3: 000000000d785005 CR4: 0000000000771ef0
[    9.006939][  T186] PKRU: 55555554
[    9.007041][  T186] Call Trace:
[    9.007140][  T186]  <TASK>
[    9.007208][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.007341][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.007442][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.007576][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.007713][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.007849][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.007983][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.008118][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.008252][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.008382][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.008513][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.008649][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.008793][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.008926][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.009065][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.009200][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.009331][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.009463][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.009601][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.009744][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.009877][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.010015][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.010148][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.010280][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.010414][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.010546][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.010684][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.010822][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.010955][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.011108][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.011240][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.011376][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.011509][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.011643][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.011789][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.011923][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.012064][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.012201][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.012336][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.012469][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.012634][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.012780][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.012913][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.013050][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.013197][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.013330][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.013463][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.013596][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.013741][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.013874][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.014014][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.014149][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.014281][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.014414][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.014547][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.014718][  T186] RIP: 0033:0x7fdd353e608e
[    9.014861][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.015403][  T186] RSP: 002b:00007ffdeca576a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.015604][  T186] RAX: ffffffffffffffda RBX: 00007ffdeca57e38 RCX: 00007fdd353e608e
[    9.015812][  T186] RDX: 0000000000000000 RSI: 00007ffdeca57750 RDI: 0000000000000005
[    9.016101][  T186] RBP: 00007ffdeca576b0 R08: 0000000000000000 R09: 0000000000000000
[    9.016368][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c685
[    9.016567][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdeca57e10
| [    9.211440][  T194] ------------[ cut here ]------------
| [    9.211616][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/194
| [    9.211873][  T194] Modules linked in: veth
| [    9.212363][  T194] Tainted: [W]=WARN
[    9.212467][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.212643][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.212836][  T194] 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
[    9.213338][  T194] RSP: 0018:ffa00000005f6e30 EFLAGS: 00010286
[    9.213515][  T194] RAX: 00000000ffffffa6 RBX: ff1100000bb7eac0 RCX: 1ff40000000bed8c
[    9.213726][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bb7eb78
[    9.213937][  T194] RBP: ff1100000c774000 R08: 1fe220000176fd70 R09: ff1100000b528b80
[    9.214145][  T194] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.214350][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000acdf880
[    9.214555][  T194] FS:  00007f1443d21840(0000) GS:ff1100007c330000(0000) knlGS:0000000000000000
[    9.214814][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.214989][  T194] CR2: 000000000042ebe0 CR3: 000000000daae002 CR4: 0000000000771ef0
[    9.215205][  T194] PKRU: 55555554
[    9.215308][  T194] Call Trace:
[    9.215412][  T194]  <TASK>
[    9.215484][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.215627][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.215745][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.215915][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.216058][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.216199][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.216336][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.216474][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.216613][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.216764][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.216903][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.217047][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.217182][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.217320][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.217459][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.217598][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.217777][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.217915][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.218053][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.218211][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.218350][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.218489][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.218625][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.218775][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.218916][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.219059][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.219208][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.219345][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.219488][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.219627][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.219775][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.219912][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.220128][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.220366][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.220501][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.220641][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.220790][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.220928][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.221160][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.221297][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.221437][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.221575][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.221714][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.221859][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.221995][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.222224][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.222365][  T194]  ? 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))
[    9.222501][  T194]  ? 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))
[    9.222641][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.222788][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.222925][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.223168][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.223307][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.223447][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.223588][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.223736][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.223872][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.224123][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.224263][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.224398][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.224535][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.224687][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.224832][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.224968][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.225210][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.225347][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.225484][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.225620][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.225767][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.225902][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.226132][  T194] RIP: 0033:0x7f1443f5b08e
[    9.226278][  T194] 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
[    9.226774][  T194] RSP: 002b:00007ffc9165a200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.226978][  T194] RAX: ffffffffffffffda RBX: 00007ffc9165a998 RCX: 00007f1443f5b08e
[    9.227239][  T194] RDX: 0000000000000000 RSI: 00007ffc9165a2b0 RDI: 0000000000000005
[    9.227442][  T194] RBP: 00007ffc9165a210 R08: 0000000000000000 R09: 0000000000000000
[    9.227645][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c685
[    9.227858][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9165a970
| [    9.236688][  T194] ------------[ cut here ]------------
| [    9.236839][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/194
| [    9.237136][  T194] Modules linked in: veth
| [    9.237512][  T194] Tainted: [W]=WARN
[    9.237610][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.237788][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.237963][  T194] 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
[    9.238442][  T194] RSP: 0018:ffa00000005f71b0 EFLAGS: 00010286
[    9.238609][  T194] RAX: 00000000ffffffa6 RBX: ff1100000d74ba80 RCX: 1ff40000000bedfc
[    9.238818][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d74bb38
[    9.239020][  T194] RBP: ff1100000c771000 R08: 1fe2200001ae9768 R09: ff1100000b528b80
[    9.239220][  T194] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.239418][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.239617][  T194] FS:  00007f1443d21840(0000) GS:ff1100007c330000(0000) knlGS:0000000000000000
[    9.239862][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.240035][  T194] CR2: 000000000042ebe0 CR3: 000000000daae002 CR4: 0000000000771ef0
[    9.240234][  T194] PKRU: 55555554
[    9.240334][  T194] Call Trace:
[    9.240435][  T194]  <TASK>
[    9.240504][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.240641][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.240755][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.240889][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.241033][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.241166][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.241302][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.241437][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.241572][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.241709][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.241848][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.241988][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.242129][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.242263][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.242395][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.242530][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.242662][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.242804][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.242940][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.243081][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.243214][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.243347][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.243479][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.243611][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.243756][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.243887][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.244025][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.244161][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.244293][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.244428][  T194]  ? 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))
[    9.244560][  T194]  ? 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))
[    9.244695][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.244834][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.244967][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.245108][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.245244][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.245379][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.245515][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.245649][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.245795][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.245960][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.246107][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.246240][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.246373][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.246515][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.246651][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.246791][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.246928][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.247073][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.247210][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.247343][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.247477][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.247610][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.247787][  T194] RIP: 0033:0x7f1443f5b08e
[    9.247927][  T194] 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
[    9.248406][  T194] RSP: 002b:00007ffc9165a200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.248605][  T194] RAX: ffffffffffffffda RBX: 00007ffc9165a998 RCX: 00007f1443f5b08e
[    9.248812][  T194] RDX: 0000000000000000 RSI: 00007ffc9165a2b0 RDI: 0000000000000005
[    9.249017][  T194] RBP: 00007ffc9165a210 R08: 0000000000000000 R09: 0000000000000000
[    9.249215][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c685
[    9.249413][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9165a970
| [    9.397202][  T200] ------------[ cut here ]------------
| [    9.397368][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [    9.397611][  T200] Modules linked in: veth
| [    9.398015][  T200] Tainted: [W]=WARN
[    9.398116][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.398285][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.398462][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.398951][  T200] RSP: 0018:ffa00000006e6e30 EFLAGS: 00010286
[    9.399129][  T200] RAX: 00000000ffffffa6 RBX: ff1100000c62b540 RCX: 1ff40000000dcd8c
[    9.399329][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c62b5f8
[    9.399531][  T200] RBP: ff11000008854000 R08: 1fe22000018c56c0 R09: ff1100000c182e80
[    9.399743][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.399947][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d838780
[    9.400160][  T200] FS:  00007fa294380840(0000) GS:ff1100007c330000(0000) knlGS:0000000000000000
[    9.400397][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.400568][  T200] CR2: 000000000042ebe0 CR3: 000000000ccc7005 CR4: 0000000000771ef0
[    9.400779][  T200] PKRU: 55555554
[    9.400880][  T200] Call Trace:
[    9.400981][  T200]  <TASK>
[    9.401060][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.401201][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.401338][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.401440][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.401575][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.401715][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.401856][  T200]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.401994][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.402133][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.402267][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.402400][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.402535][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.402672][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.402819][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.402953][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.403099][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.403235][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.403373][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.403512][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.403687][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.403831][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.403967][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.404126][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.404263][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.404401][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.404536][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.404672][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.404819][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.404955][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.405102][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.405237][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.405381][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.405522][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.405662][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.405810][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.405949][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.406094][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.406230][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.406372][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.406509][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.406646][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.406797][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.406933][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.407075][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.407215][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.407352][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.407492][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.407628][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.407777][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.407918][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.408062][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.408204][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.408342][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.408480][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.408619][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.408765][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.408904][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.409050][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.409190][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.409329][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.409497][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.409639][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.409788][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.409927][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.410080][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.410220][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.410360][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.410503][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.410642][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.410792][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.410929][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.411073][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.411211][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.411383][  T200] RIP: 0033:0x7fa2945ba08e
[    9.411529][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.412038][  T200] RSP: 002b:00007ffd5ed4f8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.412247][  T200] RAX: ffffffffffffffda RBX: 00007ffd5ed50058 RCX: 00007fa2945ba08e
[    9.412457][  T200] RDX: 0000000000000000 RSI: 00007ffd5ed4f970 RDI: 0000000000000005
[    9.412663][  T200] RBP: 00007ffd5ed4f8d0 R08: 0000000000000000 R09: 0000000000000000
[    9.412882][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c685
[    9.413093][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5ed50030
| [    9.421226][  T200] ------------[ cut here ]------------
| [    9.421383][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [    9.421618][  T200] Modules linked in: veth
| [    9.422000][  T200] Tainted: [W]=WARN
[    9.422708][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.422937][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.423198][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.423672][  T200] RSP: 0018:ffa00000006e71b0 EFLAGS: 00010286
[    9.423850][  T200] RAX: 00000000ffffffa6 RBX: ff1100000ecc98c0 RCX: 1ff40000000dcdfc
[    9.424110][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ecc9978
[    9.424311][  T200] RBP: ff11000005ef9000 R08: 1fe2200001d99330 R09: ff1100000c182e80
[    9.424509][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.424716][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.424921][  T200] FS:  00007fa294380840(0000) GS:ff1100007c330000(0000) knlGS:0000000000000000
[    9.425212][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.425379][  T200] CR2: 000000000042ebe0 CR3: 000000000ccc7005 CR4: 0000000000771ef0
[    9.425577][  T200] PKRU: 55555554
[    9.425679][  T200] Call Trace:
[    9.425786][  T200]  <TASK>
[    9.425855][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.425990][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.426148][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.426280][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.426413][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.426543][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.426684][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.426824][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.426957][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.427147][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.427278][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.427414][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.427550][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.427688][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.427824][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.427955][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.428144][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.428278][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.428413][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.428544][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.428680][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.428819][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.428948][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.429133][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.429268][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.429399][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.429532][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.429665][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.429809][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.429943][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.430130][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.430262][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.430399][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.430530][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.430662][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.430805][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.430938][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.431133][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.431266][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.431399][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.431561][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.431700][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.431836][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.431966][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.432164][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.432299][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.432434][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.432570][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.432707][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.432842][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.432973][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.433162][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.433294][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.433459][  T200] RIP: 0033:0x7fa2945ba08e
[    9.433598][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.434136][  T200] RSP: 002b:00007ffd5ed4f8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.434333][  T200] RAX: ffffffffffffffda RBX: 00007ffd5ed50058 RCX: 00007fa2945ba08e
[    9.434530][  T200] RDX: 0000000000000000 RSI: 00007ffd5ed4f970 RDI: 0000000000000005
[    9.434725][  T200] RBP: 00007ffd5ed4f8d0 R08: 0000000000000000 R09: 0000000000000000
[    9.434924][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c685


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