======================================
| xx__-> [   11.210537][  T186] ------------[ cut here ]------------
| [   11.210795][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [   11.211176][  T186] Modules linked in: veth
| [   11.211703][  T186] Tainted: [W]=WARN
[   11.211853][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.212181][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.212429][  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
[   11.212949][  T186] RSP: 0018:ffa0000000816e30 EFLAGS: 00010286
[   11.213186][  T186] RAX: 00000000ffffffa6 RBX: ff1100000ab3a900 RCX: 1ff4000000102d8c
[   11.213452][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ab3a9b8
[   11.213700][  T186] RBP: ff11000008634000 R08: 1fe2200001567538 R09: ff11000009228b80
[   11.214029][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.214295][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a2ca700
[   11.214553][  T186] FS:  00007f3710d6b840(0000) GS:ff11000091cb0000(0000) knlGS:0000000000000000
[   11.215055][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.215388][  T186] CR2: 000000000042ebe0 CR3: 000000000c18f005 CR4: 0000000000771ef0
[   11.215638][  T186] PKRU: 55555554
[   11.215786][  T186] Call Trace:
[   11.215933][  T186]  <TASK>
[   11.216063][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.216292][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.216488][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.216638][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.216822][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.217002][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.217266][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.217453][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.217732][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.217916][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.218207][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.218400][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.218672][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.218853][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.219048][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   11.219242][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.219464][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.219740][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.219917][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.220223][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.220411][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.220689][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.220962][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.221160][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.221354][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.221635][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.221908][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.222199][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.222395][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.222579][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.222762][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.222944][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.223171][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.223463][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.223735][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.223919][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.224116][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.224413][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.224597][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.224867][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.225061][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.225256][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.225442][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.225717][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.225897][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.226191][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.226391][  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))
[   11.226590][  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))
[   11.226773][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.226957][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.227152][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.227346][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.227538][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.227817][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.228113][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.228312][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.228521][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.228744][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.228934][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.229231][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.229422][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.229618][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.229801][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.229983][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.230283][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.230476][  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)
[   11.230766][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.230946][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.231143][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.231335][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.231618][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.231799][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.232024][  T186] RIP: 0033:0x7f3710fa508e
[   11.232223][  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
[   11.232852][  T186] RSP: 002b:00007fff9ada26c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.233217][  T186] RAX: ffffffffffffffda RBX: 00007fff9ada2e58 RCX: 00007f3710fa508e
[   11.233471][  T186] RDX: 0000000000000000 RSI: 00007fff9ada2770 RDI: 0000000000000005
[   11.233714][  T186] RBP: 00007fff9ada26d0 R08: 0000000000000000 R09: 0000000000000000
[   11.234065][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfe9
[   11.234326][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9ada2e30
| [   11.252371][  T186] ------------[ cut here ]------------
| [   11.252619][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [   11.252894][  T186] Modules linked in: veth
| [   11.253494][  T186] Tainted: [W]=WARN
[   11.253645][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.253855][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.254088][  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
[   11.254615][  T186] RSP: 0018:ffa00000008171b0 EFLAGS: 00010286
[   11.254832][  T186] RAX: 00000000ffffffa6 RBX: ff11000005e3a740 RCX: 1ff4000000102dfc
[   11.255121][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005e3a7f8
[   11.255379][  T186] RBP: ff11000008141000 R08: 1fe2200000bc7500 R09: ff11000009228b80
[   11.255620][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.255860][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.256123][  T186] FS:  00007f3710d6b840(0000) GS:ff11000091cb0000(0000) knlGS:0000000000000000
[   11.256429][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.256645][  T186] CR2: 000000000042ebe0 CR3: 000000000c18f005 CR4: 0000000000771ef0
[   11.256892][  T186] PKRU: 55555554
[   11.257058][  T186] Call Trace:
[   11.257209][  T186]  <TASK>
[   11.257331][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.257523][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.257671][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.257849][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.258045][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.258234][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.258431][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.258612][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.258793][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.258972][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.259161][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.259356][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.259547][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.259726][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.259904][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.260100][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.260295][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.260486][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.260671][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.260853][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.261045][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.261238][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.261423][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.261602][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.261783][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.261960][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.262153][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.262343][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.262532][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.262719][  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))
[   11.262895][  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))
[   11.263090][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.263282][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.263470][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.263652][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.263832][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.264028][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.264217][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.264409][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.264587][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.264794][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.264975][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.265166][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.265375][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.265565][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.265746][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.265925][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.266116][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.266312][  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)
[   11.266509][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.266693][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.266872][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.267064][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.267259][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.267444][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.267652][  T186] RIP: 0033:0x7f3710fa508e
[   11.267838][  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
[   11.268370][  T186] RSP: 002b:00007fff9ada26c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.268612][  T186] RAX: ffffffffffffffda RBX: 00007fff9ada2e58 RCX: 00007f3710fa508e
[   11.268854][  T186] RDX: 0000000000000000 RSI: 00007fff9ada2770 RDI: 0000000000000005
[   11.269112][  T186] RBP: 00007fff9ada26d0 R08: 0000000000000000 R09: 0000000000000000
[   11.269371][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfe9
[   11.269612][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9ada2e30
| [   11.506774][  T193] ------------[ cut here ]------------
| [   11.506952][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [   11.507209][  T193] Modules linked in: veth
| [   11.507603][  T193] Tainted: [W]=WARN
[   11.507708][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.507876][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.508058][  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
[   11.508938][  T193] RSP: 0018:ffa0000000926e30 EFLAGS: 00010286
[   11.509340][  T193] RAX: 00000000ffffffa6 RBX: ff11000005e1d700 RCX: 1ff4000000124d8c
[   11.509768][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005e1d7b8
[   11.510198][  T193] RBP: ff11000009aa1000 R08: 1fe2200000bc3af8 R09: ff1100000c508b80
[   11.510567][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.510991][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b3cb880
[   11.511462][  T193] FS:  00007fa3487ea840(0000) GS:ff11000091c30000(0000) knlGS:0000000000000000
[   11.511971][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.512343][  T193] CR2: 00007fa348b51f6d CR3: 000000000c2c5002 CR4: 0000000000771ef0
[   11.512790][  T193] PKRU: 55555554
[   11.513024][  T193] Call Trace:
[   11.513244][  T193]  <TASK>
[   11.513403][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.513716][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.513943][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.514329][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   11.514635][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   11.514940][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.515263][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.515587][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.515909][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.516230][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.516551][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.516850][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.517153][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.517398][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.517646][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[   11.517951][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.518341][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.518651][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.518941][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.519295][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.519613][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.519918][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.520231][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.520552][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.520801][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.521111][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.521410][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.521746][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.522040][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.522347][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.522662][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.522965][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.523277][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.523587][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.523875][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.524170][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.524390][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.524697][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.524993][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.525287][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.525564][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.525863][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.526167][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.526476][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.526773][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.527092][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.527407][  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))
[   11.527705][  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))
[   11.528002][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.528313][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.528601][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.528898][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.529204][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.529525][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.529852][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.530172][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.530463][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.530824][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   11.531138][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   11.531429][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.531721][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.532050][  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))
[   11.532357][  T193]  __sys_sendmsg (net/socket.c:2784)
[   11.532658][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.532961][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.533261][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.533563][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.533854][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.534156][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.534462][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.534833][  T193] RIP: 0033:0x7fa348a2408e
[   11.535164][  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
[   11.536270][  T193] RSP: 002b:00007fff5940ff30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.536737][  T193] RAX: ffffffffffffffda RBX: 00007fff594106c8 RCX: 00007fa348a2408e
[   11.537185][  T193] RDX: 0000000000000000 RSI: 00007fff5940ffe0 RDI: 0000000000000005
[   11.537611][  T193] RBP: 00007fff5940ff40 R08: 0000000000000000 R09: 0000000000000000
[   11.538050][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfe9
[   11.538501][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff594106a0
| [   11.555935][  T193] ------------[ cut here ]------------
| [   11.556227][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [   11.556689][  T193] Modules linked in: veth
| [   11.557463][  T193] Tainted: [W]=WARN
[   11.557660][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.557987][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.558473][  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
[   11.559542][  T193] RSP: 0018:ffa00000009271b0 EFLAGS: 00010286
[   11.559842][  T193] RAX: 00000000ffffffa6 RBX: ff1100000c538e40 RCX: 1ff4000000124dfc
[   11.560350][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c538ef8
[   11.560753][  T193] RBP: ff1100000a074000 R08: 1fe22000018a71e0 R09: ff1100000c508b80
[   11.561245][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.561667][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.561988][  T193] FS:  00007fa3487ea840(0000) GS:ff11000091c30000(0000) knlGS:0000000000000000
[   11.562294][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.562461][  T193] CR2: 00007fa348b51f6d CR3: 000000000c2c5002 CR4: 0000000000771ef0
[   11.562649][  T193] PKRU: 55555554
[   11.562748][  T193] Call Trace:
[   11.562845][  T193]  <TASK>
[   11.562911][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.563101][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.563241][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   11.563499][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   11.563641][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.563770][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.563900][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.564094][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.564229][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.564354][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.564488][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.564620][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.564751][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.564881][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.565072][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.565206][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.565334][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.565471][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.565601][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.565728][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.565853][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.565982][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.566180][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.566309][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.566442][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.566568][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.566696][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.566821][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.566949][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.567145][  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))
[   11.567281][  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))
[   11.567412][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.567539][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.567663][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.567789][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.567913][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.568105][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.568240][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.568372][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.568498][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.568652][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   11.568783][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   11.568909][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.569096][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.569238][  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))
[   11.569371][  T193]  __sys_sendmsg (net/socket.c:2784)
[   11.569495][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.569624][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.569753][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.569878][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.570002][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.570199][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.570325][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.570489][  T193] RIP: 0033:0x7fa348a2408e
[   11.570622][  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
[   11.571136][  T193] RSP: 002b:00007fff5940ff30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.571348][  T193] RAX: ffffffffffffffda RBX: 00007fff594106c8 RCX: 00007fa348a2408e
[   11.571536][  T193] RDX: 0000000000000000 RSI: 00007fff5940ffe0 RDI: 0000000000000005
[   11.571720][  T193] RBP: 00007fff5940ff40 R08: 0000000000000000 R09: 0000000000000000
[   11.571907][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfe9
[   11.572160][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff594106a0
| [   11.742982][  T199] ------------[ cut here ]------------
| [   11.743199][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/199
| [   11.743477][  T199] Modules linked in: veth
| [   11.743875][  T199] Tainted: [W]=WARN
[   11.743977][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.744172][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.744357][  T199] 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
[   11.744840][  T199] RSP: 0018:ffa0000000776e30 EFLAGS: 00010286
[   11.745018][  T199] RAX: 00000000ffffffa6 RBX: ff1100000ab3ae40 RCX: 1ff40000000eed8c
[   11.745222][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ab3aef8
[   11.745438][  T199] RBP: ff1100000c779000 R08: 1fe22000015675e0 R09: ff1100000bf05180
[   11.745638][  T199] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.745841][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c381c80
[   11.746068][  T199] FS:  00007f6936796840(0000) GS:ff11000091c30000(0000) knlGS:0000000000000000
[   11.746320][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.746502][  T199] CR2: 000000000042ebe0 CR3: 000000000c5a7003 CR4: 0000000000771ef0
[   11.746708][  T199] PKRU: 55555554
[   11.746826][  T199] Call Trace:
[   11.746930][  T199]  <TASK>
[   11.747000][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.747144][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.747287][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.747393][  T199]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.747531][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[   11.747670][  T199]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.747801][  T199]  ? 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)
[   11.747932][  T199]  ? netif_change_name (net/core/dev.c:1495)
[   11.748069][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.748223][  T199]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.748380][  T199]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.748515][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.748651][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.748790][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.748929][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.749073][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.749241][  T199]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.749387][  T199] veth_newlink (drivers/net/veth.c:1871) veth
[   11.749521][  T199]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.749691][  T199]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.749827][  T199]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.749961][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.750116][  T199]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.750258][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.750400][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.750534][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.750674][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.750814][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.750946][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.751189][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.751350][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.751495][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.751633][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.751767][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.751897][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.752109][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.752328][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.752468][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.752604][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.752736][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.752868][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.753051][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.753190][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.753323][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.753469][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.753603][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.753736][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.753868][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.754000][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.754141][  T199]  ? 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))
[   11.754283][  T199]  ? 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))
[   11.754435][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.754586][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.754722][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.754872][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.755007][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.755149][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.755290][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.755450][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.755585][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.755750][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[   11.755917][  T199]  ___sys_sendmsg (net/socket.c:2752)
[   11.756064][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.756276][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.756440][  T199]  ? 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))
[   11.756578][  T199]  __sys_sendmsg (net/socket.c:2784)
[   11.756711][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.756845][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.756978][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.757123][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.757270][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.757413][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.757552][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.757730][  T199] RIP: 0033:0x7f69369d008e
[   11.757869][  T199] 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
[   11.758814][  T199] RSP: 002b:00007ffc15a55410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.759026][  T199] RAX: ffffffffffffffda RBX: 00007ffc15a55ba8 RCX: 00007f69369d008e
[   11.759260][  T199] RDX: 0000000000000000 RSI: 00007ffc15a554c0 RDI: 0000000000000005
[   11.759473][  T199] RBP: 00007ffc15a55420 R08: 0000000000000000 R09: 0000000000000000
[   11.759675][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfe9
[   11.759877][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc15a55b80
| [   11.774548][  T199] ------------[ cut here ]------------
| [   11.774720][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/199
| [   11.774951][  T199] Modules linked in: veth
| [   11.775385][  T199] Tainted: [W]=WARN
[   11.775489][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.775652][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.775817][  T199] 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
[   11.776303][  T199] RSP: 0018:ffa00000007771b0 EFLAGS: 00010286
[   11.776469][  T199] RAX: 00000000ffffffa6 RBX: ff1100000c3463c0 RCX: 1ff40000000eedfc
[   11.776659][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c346478
[   11.776855][  T199] RBP: ff11000001db4000 R08: 1fe2200001868c90 R09: ff1100000bf05180
[   11.777060][  T199] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.777261][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.777460][  T199] FS:  00007f6936796840(0000) GS:ff11000091c30000(0000) knlGS:0000000000000000
[   11.777680][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.777838][  T199] CR2: 000000000042ebe0 CR3: 000000000c5a7003 CR4: 0000000000771ef0
[   11.778033][  T199] PKRU: 55555554
[   11.778128][  T199] Call Trace:
[   11.778248][  T199]  <TASK>
[   11.778316][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.778450][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.778554][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[   11.778679][  T199]  ? netif_change_name (net/core/dev.c:1495)
[   11.778805][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.778930][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.779066][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.779200][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.779341][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.779473][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.779600][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.779732][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.779867][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.779997][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.780129][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.780264][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.780393][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.780521][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.780648][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.780774][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.780898][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.781029][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.781153][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.781282][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.781435][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.781563][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.781695][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.781822][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.781945][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.782080][  T199]  ? 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))
[   11.782208][  T199]  ? 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))
[   11.782335][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.782470][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.782596][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.782749][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.782876][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.783007][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.783142][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.783279][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.783408][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.783567][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[   11.783699][  T199]  ___sys_sendmsg (net/socket.c:2752)
[   11.783837][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.783964][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.784107][  T199]  ? 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))
[   11.784242][  T199]  __sys_sendmsg (net/socket.c:2784)
[   11.784376][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.784506][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.784631][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.784758][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.784896][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.785026][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.785153][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.785312][  T199] RIP: 0033:0x7f69369d008e
[   11.785455][  T199] 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
[   11.785942][  T199] RSP: 002b:00007ffc15a55410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.786149][  T199] RAX: ffffffffffffffda RBX: 00007ffc15a55ba8 RCX: 00007f69369d008e
[   11.786345][  T199] RDX: 0000000000000000 RSI: 00007ffc15a554c0 RDI: 0000000000000005
[   11.786541][  T199] RBP: 00007ffc15a55420 R08: 0000000000000000 R09: 0000000000000000
[   11.786729][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfe9


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