======================================
| xx__-> [   10.735813][  T186] ------------[ cut here ]------------
| [   10.736197][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [   10.736599][  T186] Modules linked in: veth
| [   10.737393][  T186] Tainted: [W]=WARN
[   10.737644][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.738082][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.738419][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.739240][  T186] RSP: 0018:ffa00000007a6e30 EFLAGS: 00010286
[   10.739503][  T186] RAX: 00000000ffffffa6 RBX: ff11000009197e00 RCX: 1ff40000000f4d8c
[   10.739842][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009197eb8
[   10.740263][  T186] RBP: ff11000009629000 R08: 1fe2200001232fd8 R09: ff1100000c7cae80
[   10.740676][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.741114][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005db8080
[   10.741498][  T186] FS:  00007fa51baa5840(0000) GS:ff1100009dcb0000(0000) knlGS:0000000000000000
[   10.741914][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.742257][  T186] CR2: 000055e297265d50 CR3: 000000000d4f2002 CR4: 0000000000771ef0
[   10.742629][  T186] PKRU: 55555554
[   10.742846][  T186] Call Trace:
[   10.743077][  T186]  <TASK>
[   10.743245][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.743565][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.743837][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.744074][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.744343][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.744607][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.744878][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.745174][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.745445][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.745717][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.745979][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.746280][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.746571][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.746851][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.747141][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.747410][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.747760][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.748030][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.748316][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.748625][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.748894][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.749203][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.749480][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.749775][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.750061][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.750338][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.750626][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.750894][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.751200][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.751489][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.751781][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.752078][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.752362][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.752642][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.752926][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.753250][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.753549][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.753849][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.754163][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.754447][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.754717][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.754987][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.755271][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.755550][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.755810][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.756097][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.756401][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.756690][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.756989][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.757319][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.757615][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.757914][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.758235][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.758532][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.758835][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.759222][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.759521][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.759871][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.760185][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.760452][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.760730][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.761058][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.761332][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.761604][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.761884][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.762200][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.762484][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.762755][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.763052][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.763324][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.763607][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.763883][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.764242][  T186] RIP: 0033:0x7fa51bcdf08e
[   10.764523][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.765370][  T186] RSP: 002b:00007fff35c95190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.765747][  T186] RAX: ffffffffffffffda RBX: 00007fff35c95928 RCX: 00007fa51bcdf08e
[   10.766154][  T186] RDX: 0000000000000000 RSI: 00007fff35c95240 RDI: 0000000000000005
[   10.766541][  T186] RBP: 00007fff35c951a0 R08: 0000000000000000 R09: 0000000000000000
[   10.766928][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf55
[   10.767319][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff35c95900
| [   10.780753][  T186] ------------[ cut here ]------------
| [   10.780984][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [   10.781305][  T186] Modules linked in: veth
| [   10.781801][  T186] Tainted: [W]=WARN
[   10.781961][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.782209][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.782445][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.782985][  T186] RSP: 0018:ffa00000007a71b0 EFLAGS: 00010286
[   10.783239][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b053540 RCX: 1ff40000000f4dfc
[   10.783516][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0535f8
[   10.783817][  T186] RBP: ff11000009d1c000 R08: 1fe220000160a6c0 R09: ff1100000c7cae80
[   10.784144][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.784448][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.784750][  T186] FS:  00007fa51baa5840(0000) GS:ff1100009dcb0000(0000) knlGS:0000000000000000
[   10.785131][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.785393][  T186] CR2: 000055e297265d50 CR3: 000000000d4f2002 CR4: 0000000000771ef0
[   10.785682][  T186] PKRU: 55555554
[   10.785854][  T186] Call Trace:
[   10.786073][  T186]  <TASK>
[   10.786209][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.786420][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.786591][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.786811][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.787021][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.787226][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.787423][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.787619][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.787813][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.788008][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.788226][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.788538][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.788737][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.789032][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.789240][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.789437][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.789628][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.789821][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.790030][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.790300][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.790493][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.790778][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.790970][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.791189][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.791383][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.791577][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.791773][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.791966][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.792182][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.792378][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.792571][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.792765][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.792961][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.793180][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.793375][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.793570][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.793763][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.793959][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.794179][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.794370][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.794617][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.794815][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.795006][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.795218][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.795439][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.795639][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.795831][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.796049][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.796247][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.796442][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.796637][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.796829][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.797029][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.797240][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.797434][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.797662][  T186] RIP: 0033:0x7fa51bcdf08e
[   10.797859][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.798432][  T186] RSP: 002b:00007fff35c95190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.798700][  T186] RAX: ffffffffffffffda RBX: 00007fff35c95928 RCX: 00007fa51bcdf08e
[   10.798961][  T186] RDX: 0000000000000000 RSI: 00007fff35c95240 RDI: 0000000000000005
[   10.799243][  T186] RBP: 00007fff35c951a0 R08: 0000000000000000 R09: 0000000000000000
[   10.799505][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf55
[   10.799766][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff35c95900
| [   10.933651][  T198] ------------[ cut here ]------------
| [   10.933842][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/198
| [   10.934124][  T198] Modules linked in: veth
| [   10.934561][  T198] Tainted: [W]=WARN
[   10.934673][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.934863][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.935076][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.935602][  T198] RSP: 0018:ffa0000000536e30 EFLAGS: 00010286
[   10.935797][  T198] RAX: 00000000ffffffa6 RBX: ff11000004ca6040 RCX: 1ff40000000a6d8c
[   10.936030][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ca60f8
[   10.936254][  T198] RBP: ff11000008479000 R08: 1fe2200000994c20 R09: ff1100000c442e80
[   10.936478][  T198] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.936697][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009320780
[   10.936925][  T198] FS:  00007f211993c840(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[   10.937206][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.937394][  T198] CR2: 000000000042ebe0 CR3: 000000000b39e002 CR4: 0000000000771ef0
[   10.937611][  T198] PKRU: 55555554
[   10.937724][  T198] Call Trace:
[   10.937840][  T198]  <TASK>
[   10.937916][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.938084][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.938200][  T198]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.938399][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[   10.938561][  T198]  ? netif_change_name (net/core/dev.c:1495)
[   10.938713][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.938876][  T198]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.939041][  T198]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.939192][  T198]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.939346][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.939495][  T198]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.939649][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.939799][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.939997][  T198]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.940186][  T198] veth_newlink (drivers/net/veth.c:1871) veth
[   10.940347][  T198]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.940538][  T198]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.940692][  T198]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.940842][  T198]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.941011][  T198]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.941187][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.941338][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.941483][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.941627][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.941771][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.941916][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.942070][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.942213][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.942362][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.942575][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.942794][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.943021][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.943259][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.943477][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.943621][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.943769][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.943913][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.944071][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.944214][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.944376][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.944518][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.944664][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.944809][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.944955][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.945111][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.945255][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.945403][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.945554][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.945698][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.945845][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.945988][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.946166][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.946313][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.946459][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.946606][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.946753][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.946896][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.947083][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[   10.947231][  T198]  ___sys_sendmsg (net/socket.c:2752)
[   10.947373][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.947516][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.947678][  T198]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.947830][  T198]  __sys_sendmsg (net/socket.c:2784)
[   10.947988][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.948153][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.948296][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.948443][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.948586][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.948738][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.948887][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.949077][  T198] RIP: 0033:0x7f2119b7608e
[   10.949240][  T198] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.949755][  T198] RSP: 002b:00007ffc6e219210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.949977][  T198] RAX: ffffffffffffffda RBX: 00007ffc6e2199a8 RCX: 00007f2119b7608e
[   10.950217][  T198] RDX: 0000000000000000 RSI: 00007ffc6e2192c0 RDI: 0000000000000005
[   10.950444][  T198] RBP: 00007ffc6e219220 R08: 0000000000000000 R09: 0000000000000000
[   10.950676][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf56
[   10.950905][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6e219980
| [   10.963486][  T198] ------------[ cut here ]------------
| [   10.963683][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/198
| [   10.963940][  T198] Modules linked in: veth
| [   10.964374][  T198] Tainted: [W]=WARN
[   10.964482][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.964667][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.964857][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.965413][  T198] RSP: 0018:ffa00000005371b0 EFLAGS: 00010286
[   10.965680][  T198] RAX: 00000000ffffffa6 RBX: ff1100000c1e6e40 RCX: 1ff40000000a6dfc
[   10.965997][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c1e6ef8
[   10.966243][  T198] RBP: ff110000090d1000 R08: 1fe220000183cde0 R09: ff1100000c442e80
[   10.966462][  T198] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.966779][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.967004][  T198] FS:  00007f211993c840(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[   10.967320][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.967590][  T198] CR2: 000000000042ebe0 CR3: 000000000b39e002 CR4: 0000000000771ef0
[   10.967907][  T198] PKRU: 55555554
[   10.968087][  T198] Call Trace:
[   10.968248][  T198]  <TASK>
[   10.968327][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.968474][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.968587][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[   10.968732][  T198]  ? netif_change_name (net/core/dev.c:1495)
[   10.968878][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.969025][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.969178][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.969321][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.969463][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.969605][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.969751][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.969909][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.970067][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.970209][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.970352][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.970493][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.970632][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.970774][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.970918][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.971081][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.971221][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.971362][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.971503][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.971644][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.971806][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.971947][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.972100][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.972240][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.972391][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.972534][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.972675][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.972822][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.972968][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.973127][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.973269][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.973411][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.973554][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.973701][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.973844][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.973988][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.974177][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[   10.974326][  T198]  ___sys_sendmsg (net/socket.c:2752)
[   10.974467][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.974608][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.974760][  T198]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.974905][  T198]  __sys_sendmsg (net/socket.c:2784)
[   10.975062][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.975216][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.975361][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.975510][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.975654][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.975795][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.975960][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.976205][  T198] RIP: 0033:0x7f2119b7608e
[   10.976359][  T198] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.976883][  T198] RSP: 002b:00007ffc6e219210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.977230][  T198] RAX: ffffffffffffffda RBX: 00007ffc6e2199a8 RCX: 00007f2119b7608e
[   10.977461][  T198] RDX: 0000000000000000 RSI: 00007ffc6e2192c0 RDI: 0000000000000005
[   10.977684][  T198] RBP: 00007ffc6e219220 R08: 0000000000000000 R09: 0000000000000000
[   10.977913][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf56
[   10.978263][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6e219980
| [   11.252282][  T211] ------------[ cut here ]------------
| [   11.252475][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   11.252736][  T211] Modules linked in: veth
| [   11.253164][  T211] Tainted: [W]=WARN
[   11.253273][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.253457][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.253643][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.254161][  T211] RSP: 0018:ffa00000006b6e30 EFLAGS: 00010286
[   11.254348][  T211] RAX: 00000000ffffffa6 RBX: ff11000004ca63c0 RCX: 1ff40000000d6d8c
[   11.254564][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ca6478
[   11.254775][  T211] RBP: ff11000007a94000 R08: 1fe2200000994c90 R09: ff1100000d120b80
[   11.254986][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.255299][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000089bf880
[   11.255527][  T211] FS:  00007f92a8175840(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[   11.255783][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.255963][  T211] CR2: 000000000042ebe0 CR3: 0000000004c64006 CR4: 0000000000771ef0
[   11.256296][  T211] PKRU: 55555554
[   11.256411][  T211] Call Trace:
[   11.256539][  T211]  <TASK>
[   11.256617][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.256774][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.256932][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.257117][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.257277][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   11.257433][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.257584][  T211]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.257739][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   11.257897][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.258110][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.258271][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.258438][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.258596][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.258747][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.258891][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.259043][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.259200][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.259360][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[   11.259519][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.259707][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.259867][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.260019][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.260204][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.260364][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.260522][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.260674][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.260840][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.261005][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.261167][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.261315][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.261470][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.261645][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.261802][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.261951][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.262126][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.262270][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.262418][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.262561][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.262710][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.262877][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.263029][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.263188][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.263338][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.263490][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.263639][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.263786][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.263935][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.264104][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.264251][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.264402][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.264550][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.264698][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.264846][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.264990][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.265151][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.265295][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.265440][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.265590][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.265740][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.265887][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.266085][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   11.266237][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   11.266389][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.266537][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.266689][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.266837][  T211]  __sys_sendmsg (net/socket.c:2784)
[   11.266982][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.267145][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.267292][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.267439][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.267585][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.267732][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.267878][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.268073][  T211] RIP: 0033:0x7f92a83af08e
[   11.268228][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.268745][  T211] RSP: 002b:00007ffe290397c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.268979][  T211] RAX: ffffffffffffffda RBX: 00007ffe29039f58 RCX: 00007f92a83af08e
[   11.269213][  T211] RDX: 0000000000000000 RSI: 00007ffe29039870 RDI: 0000000000000005
[   11.269429][  T211] RBP: 00007ffe290397d0 R08: 0000000000000000 R09: 0000000000000000
[   11.269647][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf56
[   11.269862][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe29039f30
| [   11.287005][  T211] ------------[ cut here ]------------
| [   11.287200][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   11.287450][  T211] Modules linked in: veth
| [   11.287851][  T211] Tainted: [W]=WARN
[   11.287957][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.288148][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.288346][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.288852][  T211] RSP: 0018:ffa00000006b71b0 EFLAGS: 00010286
[   11.289042][  T211] RAX: 00000000ffffffa6 RBX: ff11000004cb18c0 RCX: 1ff40000000d6dfc
[   11.289260][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004cb1978
[   11.289472][  T211] RBP: ff110000087f9000 R08: 1fe2200000996330 R09: ff1100000d120b80
[   11.289688][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.289902][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.290125][  T211] FS:  00007f92a8175840(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[   11.290375][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.290557][  T211] CR2: 000000000042ebe0 CR3: 0000000004c64006 CR4: 0000000000771ef0
[   11.290777][  T211] PKRU: 55555554
[   11.290883][  T211] Call Trace:
[   11.290989][  T211]  <TASK>
[   11.291072][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.291216][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.291325][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   11.291470][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   11.291613][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.291754][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.291898][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.292049][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.292193][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.292335][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.292475][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.292622][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.292772][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.292913][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.293066][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.293211][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.293355][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.293497][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.293643][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.293786][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.293929][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.294086][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.294229][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.294371][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.294515][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.294656][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.294803][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.294946][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.295098][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.295244][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.295384][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.295529][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.295671][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.295814][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.295957][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.296122][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.296287][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.296442][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.296601][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.296752][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.296949][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   11.297128][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   11.297289][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.297442][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.297604][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.297759][  T211]  __sys_sendmsg (net/socket.c:2784)
[   11.297926][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.298105][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.298265][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.298427][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.298576][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.298726][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.298870][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.299059][  T211] RIP: 0033:0x7f92a83af08e
[   11.299208][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.299711][  T211] RSP: 002b:00007ffe290397c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.299927][  T211] RAX: ffffffffffffffda RBX: 00007ffe29039f58 RCX: 00007f92a83af08e
[   11.300148][  T211] RDX: 0000000000000000 RSI: 00007ffe29039870 RDI: 0000000000000005
[   11.300363][  T211] RBP: 00007ffe290397d0 R08: 0000000000000000 R09: 0000000000000000
[   11.300586][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf56


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