======================================
| xx__-> [    9.095666][  T186] ------------[ cut here ]------------
| [    9.095957][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.096213][  T186] Modules linked in: veth
| [    9.096658][  T186] Tainted: [W]=WARN
[    9.096810][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.096990][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.097186][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.097706][  T186] RSP: 0018:ffa0000000906e30 EFLAGS: 00010286
[    9.097889][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b21d8c0 RCX: 1ff4000000120d8c
[    9.098106][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b21d978
[    9.098321][  T186] RBP: ff1100000a1cc000 R08: 1fe2200001643b30 R09: ff1100000cb80b80
[    9.098537][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.098801][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008ba2000
[    9.099015][  T186] FS:  00007fe9ef7e9840(0000) GS:ff1100007e330000(0000) knlGS:0000000000000000
[    9.099270][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.099457][  T186] CR2: 00007fe9efb50f6d CR3: 0000000005458006 CR4: 0000000000771ef0
[    9.099680][  T186] PKRU: 55555554
[    9.099788][  T186] Call Trace:
[    9.099894][  T186]  <TASK>
[    9.099968][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.100156][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.100301][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.100413][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.100560][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.100709][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.101167][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.101313][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.101460][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.101606][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.101850][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.101991][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.102137][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.102282][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.102525][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.102671][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.102852][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.103095][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.103235][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.103401][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.103545][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.103695][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.103836][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.104077][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.104221][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.104365][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.104510][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.104755][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.104904][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.105048][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.105295][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.105440][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.105583][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.105824][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.105965][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.106115][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.106259][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.106404][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.106639][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.106785][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.106925][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.107072][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.107213][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.107357][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.107506][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.107648][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.107798][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.107938][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.108180][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.108326][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.108473][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.108616][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.108762][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.108999][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.109151][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.109297][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.109442][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.109620][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.109771][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.109920][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.110066][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.110243][  T186]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.110393][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.110539][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.110692][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.110935][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.111177][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.111429][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.111667][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.111814][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.111989][  T186] RIP: 0033:0x7fe9efa2308e
[    9.112191][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.112913][  T186] RSP: 002b:00007ffee7692130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.113231][  T186] RAX: ffffffffffffffda RBX: 00007ffee76928c8 RCX: 00007fe9efa2308e
[    9.113444][  T186] RDX: 0000000000000000 RSI: 00007ffee76921e0 RDI: 0000000000000005
[    9.113658][  T186] RBP: 00007ffee7692140 R08: 0000000000000000 R09: 0000000000000000
[    9.113873][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c76d
[    9.114091][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee76928a0
| [    9.131273][  T186] ------------[ cut here ]------------
| [    9.131441][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.131704][  T186] Modules linked in: veth
| [    9.132101][  T186] Tainted: [W]=WARN
[    9.132206][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.132384][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.132569][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.133075][  T186] RSP: 0018:ffa00000009071b0 EFLAGS: 00010286
[    9.133251][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b363a80 RCX: 1ff4000000120dfc
[    9.133464][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b363b38
[    9.133671][  T186] RBP: ff1100000531c000 R08: 1fe220000166c768 R09: ff1100000cb80b80
[    9.133881][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.134096][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.134305][  T186] FS:  00007fe9ef7e9840(0000) GS:ff1100007e330000(0000) knlGS:0000000000000000
[    9.134553][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.134737][  T186] CR2: 00007fe9efb50f6d CR3: 0000000005458006 CR4: 0000000000771ef0
[    9.134944][  T186] PKRU: 55555554
[    9.135047][  T186] Call Trace:
[    9.135160][  T186]  <TASK>
[    9.135234][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.135376][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.135486][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.135628][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.135772][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.135911][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.136056][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.136201][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.136341][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.136482][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.136620][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.136767][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.136909][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.137048][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.137193][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.137334][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.137476][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.137614][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.137765][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.137903][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.138041][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.138201][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.138338][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.138479][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.138620][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.138760][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.138899][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.139037][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.139180][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.139323][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.139469][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.139609][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.139754][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.139892][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.140030][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.140173][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.140314][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.140459][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.140601][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.140744][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.140915][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.141064][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.141201][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.141339][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.141492][  T186]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.141634][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.141778][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.141919][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.142064][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.142204][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.142344][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.142491][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.142631][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.142813][  T186] RIP: 0033:0x7fe9efa2308e
[    9.142956][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.143463][  T186] RSP: 002b:00007ffee7692130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.143678][  T186] RAX: ffffffffffffffda RBX: 00007ffee76928c8 RCX: 00007fe9efa2308e
[    9.143886][  T186] RDX: 0000000000000000 RSI: 00007ffee76921e0 RDI: 0000000000000005
[    9.144097][  T186] RBP: 00007ffee7692140 R08: 0000000000000000 R09: 0000000000000000
[    9.144301][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c76d
[    9.144511][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee76928a0
| [    9.298216][  T194] ------------[ cut here ]------------
| [    9.298428][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.299536][  T194] Modules linked in: veth
| [    9.300045][  T194] Tainted: [W]=WARN
[    9.300162][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.300339][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.300534][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.301165][  T194] RSP: 0018:ffa0000000626e30 EFLAGS: 00010286
[    9.301349][  T194] RAX: 00000000ffffffa6 RBX: ff1100000a275540 RCX: 1ff40000000c4d8c
[    9.301568][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a2755f8
[    9.301878][  T194] RBP: ff1100000cd49000 R08: 1fe220000144eac0 R09: ff1100000cf3ae80
[    9.302096][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.302333][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004ae5900
[    9.302548][  T194] FS:  00007f07423f9840(0000) GS:ff1100007e1b0000(0000) knlGS:0000000000000000
[    9.302896][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.303084][  T194] CR2: 00007f0742760f6d CR3: 000000000c3ad003 CR4: 0000000000771ef0
[    9.303301][  T194] PKRU: 55555554
[    9.303412][  T194] Call Trace:
[    9.303522][  T194]  <TASK>
[    9.303599][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.303853][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.303961][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.304149][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.304297][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.304443][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.304589][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.304806][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.304953][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.305110][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.305258][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.305407][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.305551][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.305789][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.305934][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.306082][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.306262][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.306410][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.306550][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.306818][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.306959][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.307111][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.307255][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.307403][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.307546][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.307784][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.307927][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.308073][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.308227][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.308374][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.308520][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.308663][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.308902][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.309043][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.309189][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.309337][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.309487][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.309630][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.309881][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.310024][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.310168][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.310315][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.310474][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.310627][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.310855][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.310999][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.311150][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.311293][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.311444][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.311590][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.311841][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.311986][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.312134][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.312281][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.312536][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.312765][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.313302][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.313785][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.313933][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.314274][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.314424][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.314766][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.314911][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.315054][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.315206][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.315353][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.315503][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.315644][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.315881][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.316023][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.316205][  T194] RIP: 0033:0x7f074263308e
[    9.316465][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.317189][  T194] RSP: 002b:00007fffd2befba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.317409][  T194] RAX: ffffffffffffffda RBX: 00007fffd2bf0338 RCX: 00007f074263308e
[    9.317803][  T194] RDX: 0000000000000000 RSI: 00007fffd2befc50 RDI: 0000000000000005
[    9.318013][  T194] RBP: 00007fffd2befbb0 R08: 0000000000000000 R09: 0000000000000000
[    9.318232][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c76d
[    9.318446][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd2bf0310
| [    9.338013][  T194] ------------[ cut here ]------------
| [    9.338173][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.338425][  T194] Modules linked in: veth
| [    9.338960][  T194] Tainted: [W]=WARN
[    9.339072][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.339246][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.339429][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.339977][  T194] RSP: 0018:ffa00000006271b0 EFLAGS: 00010286
[    9.340156][  T194] RAX: 00000000ffffffa6 RBX: ff1100000b0c5c40 RCX: 1ff40000000c4dfc
[    9.340362][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0c5cf8
[    9.340572][  T194] RBP: ff1100000cb99000 R08: 1fe2200001618ba0 R09: ff1100000cf3ae80
[    9.340835][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.341040][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.341252][  T194] FS:  00007f07423f9840(0000) GS:ff1100007e1b0000(0000) knlGS:0000000000000000
[    9.341498][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.341672][  T194] CR2: 00007f0742760f6d CR3: 000000000c3ad003 CR4: 0000000000771ef0
[    9.341910][  T194] PKRU: 55555554
[    9.342013][  T194] Call Trace:
[    9.342122][  T194]  <TASK>
[    9.342195][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.342335][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.342445][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.342584][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.342771][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.342914][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.343054][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.343201][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.343341][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.343482][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.343619][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.343765][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.343908][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.344047][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.344208][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.344356][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.344499][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.344637][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.344785][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.344925][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.345069][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.345206][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.345344][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.345489][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.345635][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.345777][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.345916][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.346052][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.346195][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.346336][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.346477][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.346621][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.346767][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.346904][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.347044][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.347192][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.347333][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.347478][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.347619][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.347760][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.347930][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.348077][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.348214][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.348353][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.348507][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.348647][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.348790][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.348931][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.349074][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.349212][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.349353][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.349497][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.349637][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.349813][  T194] RIP: 0033:0x7f074263308e
[    9.349957][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.350463][  T194] RSP: 002b:00007fffd2befba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.350678][  T194] RAX: ffffffffffffffda RBX: 00007fffd2bf0338 RCX: 00007f074263308e
[    9.350889][  T194] RDX: 0000000000000000 RSI: 00007fffd2befc50 RDI: 0000000000000005
[    9.351101][  T194] RBP: 00007fffd2befbb0 R08: 0000000000000000 R09: 0000000000000000
[    9.351308][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c76d
[    9.351522][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd2bf0310
| [    9.551319][  T202] ------------[ cut here ]------------
| [    9.551582][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/202
| [    9.551904][  T202] Modules linked in: veth
| [    9.552426][  T202] Tainted: [W]=WARN
[    9.552589][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.552834][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.553084][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.553656][  T202] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[    9.553908][  T202] RAX: 00000000ffffffa6 RBX: ff1100000af6e3c0 RCX: 1ff4000000112d8c
[    9.554184][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000af6e478
[    9.554461][  T202] RBP: ff1100000a254000 R08: 1fe22000015edc90 R09: ff1100000a282e80
[    9.554741][  T202] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.555005][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b2a5580
[    9.555283][  T202] FS:  00007fc4204bf840(0000) GS:ff1100007e2b0000(0000) knlGS:0000000000000000
[    9.555597][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.555848][  T202] CR2: 0000560e47537d5c CR3: 000000000d4fb003 CR4: 0000000000771ef0
[    9.556135][  T202] PKRU: 55555554
[    9.556300][  T202] Call Trace:
[    9.556475][  T202]  <TASK>
[    9.556606][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.556820][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.557023][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.557193][  T202]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.557398][  T202]  __dev_notify_flags (net/core/dev.c:9787)
[    9.557607][  T202]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.557815][  T202]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.558022][  T202]  ? netif_change_name (net/core/dev.c:1495)
[    9.558225][  T202]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.558422][  T202]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.558624][  T202]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.558836][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.559036][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.559257][  T202]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.559466][  T202]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.559666][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.559878][  T202]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.560084][  T202] veth_newlink (drivers/net/veth.c:1871) veth
[    9.560291][  T202]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.560533][  T202]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.560750][  T202]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.560945][  T202]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.561167][  T202]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.561367][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.561580][  T202]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.561791][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.561990][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.562196][  T202]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.562397][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.562598][  T202]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.562806][  T202]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.563011][  T202]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.563226][  T202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.563428][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.563627][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.563840][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.564035][  T202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.564243][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.564450][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.564651][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.564859][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.565054][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.565258][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.565464][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.565661][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.565868][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.566076][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.566271][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.566480][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.566695][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.566888][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.567095][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.567295][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.567505][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.567717][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.567912][  T202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.568116][  T202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.568316][  T202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.568523][  T202]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.568732][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.568963][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[    9.569173][  T202]  ___sys_sendmsg (net/socket.c:2752)
[    9.569367][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.569570][  T202]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.569788][  T202]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.569986][  T202]  __sys_sendmsg (net/socket.c:2784)
[    9.570185][  T202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.570422][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.570619][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.570829][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.571022][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.571221][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.571420][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.571651][  T202] RIP: 0033:0x7fc4206f908e
[    9.571865][  T202] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.572430][  T202] RSP: 002b:00007ffebfbd3910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.572711][  T202] RAX: ffffffffffffffda RBX: 00007ffebfbd40a8 RCX: 00007fc4206f908e
[    9.572971][  T202] RDX: 0000000000000000 RSI: 00007ffebfbd39c0 RDI: 0000000000000005
[    9.573243][  T202] RBP: 00007ffebfbd3920 R08: 0000000000000000 R09: 0000000000000000
[    9.573519][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c76d
[    9.573795][  T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebfbd4080
| [    9.583371][  T202] ------------[ cut here ]------------
| [    9.583567][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/202
| [    9.583870][  T202] Modules linked in: veth
| [    9.584369][  T202] Tainted: [W]=WARN
[    9.584536][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.584773][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.585002][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.585555][  T202] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[    9.585796][  T202] RAX: 00000000ffffffa6 RBX: ff1100000ce9b8c0 RCX: 1ff4000000112dfc
[    9.586051][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ce9b978
[    9.586314][  T202] RBP: ff11000008ebc000 R08: 1fe22000019d3730 R09: ff1100000a282e80
[    9.586584][  T202] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.586857][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.587121][  T202] FS:  00007fc4204bf840(0000) GS:ff1100007e2b0000(0000) knlGS:0000000000000000
[    9.587415][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.587644][  T202] CR2: 0000560e47537d5c CR3: 000000000d4fb003 CR4: 0000000000771ef0
[    9.587915][  T202] PKRU: 55555554
[    9.588080][  T202] Call Trace:
[    9.588238][  T202]  <TASK>
[    9.588361][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.588560][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.588732][  T202]  __dev_notify_flags (net/core/dev.c:9787)
[    9.588923][  T202]  ? netif_change_name (net/core/dev.c:1495)
[    9.589120][  T202]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.589309][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.589515][  T202]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.589726][  T202]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.589919][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.590115][  T202]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.590305][  T202]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.590513][  T202]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.590722][  T202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.590914][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.591112][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.591304][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.591503][  T202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.591710][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.591904][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.592101][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.592291][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.592493][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.592699][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.592887][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.593085][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.593274][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.593478][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.593668][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.593872][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.594075][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.594264][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.594466][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.594658][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.594926][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.595143][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.595336][  T202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.595537][  T202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.595751][  T202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.595944][  T202]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.596142][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.596365][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[    9.596570][  T202]  ___sys_sendmsg (net/socket.c:2752)
[    9.596775][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.596965][  T202]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.597176][  T202]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.597370][  T202]  __sys_sendmsg (net/socket.c:2784)
[    9.597570][  T202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.597781][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.597971][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.598170][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.598361][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.598560][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.598766][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.598989][  T202] RIP: 0033:0x7fc4206f908e
[    9.599192][  T202] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.599752][  T202] RSP: 002b:00007ffebfbd3910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.600007][  T202] RAX: ffffffffffffffda RBX: 00007ffebfbd40a8 RCX: 00007fc4206f908e
[    9.600268][  T202] RDX: 0000000000000000 RSI: 00007ffebfbd39c0 RDI: 0000000000000005
[    9.600531][  T202] RBP: 00007ffebfbd3920 R08: 0000000000000000 R09: 0000000000000000
[    9.600800][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c76d
[    9.601053][  T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebfbd4080
| [    9.758526][  T208] ------------[ cut here ]------------
| [    9.758782][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/208
| [    9.759116][  T208] Modules linked in: veth
| [    9.759640][  T208] Tainted: [W]=WARN
[    9.759815][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.760044][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.760294][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.760873][  T208] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[    9.761114][  T208] RAX: 00000000ffffffa6 RBX: ff11000009492200 RCX: 1ff4000000112d8c
[    9.761383][  T208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094922b8
[    9.761658][  T208] RBP: ff1100000c8cc000 R08: 1fe2200001292458 R09: ff1100000c3c0b80
[    9.761939][  T208] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.762208][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000edaf180
[    9.762488][  T208] FS:  00007fa4c0808840(0000) GS:ff1100007e2b0000(0000) knlGS:0000000000000000
[    9.762803][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.763034][  T208] CR2: 0000560e47537d5c CR3: 000000000d58c002 CR4: 0000000000771ef0
[    9.763306][  T208] PKRU: 55555554
[    9.763478][  T208] Call Trace:
[    9.763636][  T208]  <TASK>
[    9.763772][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.763968][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.764173][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.764334][  T208]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.764542][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[    9.764752][  T208]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.764944][  T208]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.765150][  T208]  ? netif_change_name (net/core/dev.c:1495)
[    9.765341][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.765547][  T208]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.765755][  T208]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.765951][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.766152][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.766346][  T208]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.766554][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.766809][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.767004][  T208]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.767212][  T208] veth_newlink (drivers/net/veth.c:1871) veth
[    9.767413][  T208]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.767645][  T208]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.767856][  T208]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.768050][  T208]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.768271][  T208]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.768476][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.768688][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.768882][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.769088][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.769285][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.769491][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.769698][  T208]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.769890][  T208]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.770099][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.770298][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.770504][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.770711][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.770906][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.771106][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.771299][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.771509][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.771718][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.771911][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.772115][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.772310][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.772519][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.772729][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.772921][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.773120][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.773313][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.773523][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.773736][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.773927][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.774137][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.774332][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.774534][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.774746][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.774942][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.775146][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.775344][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.775572][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.775781][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.776008][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[    9.776216][  T208]  ___sys_sendmsg (net/socket.c:2752)
[    9.776410][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.776610][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.776829][  T208]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.777025][  T208]  __sys_sendmsg (net/socket.c:2784)
[    9.777225][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.777432][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.777630][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.777840][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.778034][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.778241][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.778443][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.778687][  T208] RIP: 0033:0x7fa4c0a4208e
[    9.778886][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.779455][  T208] RSP: 002b:00007ffc00ef1fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.779730][  T208] RAX: ffffffffffffffda RBX: 00007ffc00ef2768 RCX: 00007fa4c0a4208e
[    9.779992][  T208] RDX: 0000000000000000 RSI: 00007ffc00ef2080 RDI: 0000000000000005
[    9.780260][  T208] RBP: 00007ffc00ef1fe0 R08: 0000000000000000 R09: 0000000000000000
[    9.780531][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c76e
[    9.780812][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc00ef2740
| [    9.788943][  T208] ------------[ cut here ]------------
| [    9.789139][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/208
| [    9.789435][  T208] Modules linked in: veth
| [    9.790499][  T208] Tainted: [W]=WARN
[    9.790739][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.791021][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.791320][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.791937][  T208] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[    9.792237][  T208] RAX: 00000000ffffffa6 RBX: ff1100000548b000 RCX: 1ff4000000112dfc
[    9.792561][  T208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000548b0b8
[    9.792888][  T208] RBP: ff1100000d42c000 R08: 1fe2200000a91618 R09: ff1100000c3c0b80
[    9.793211][  T208] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.793543][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.793874][  T208] FS:  00007fa4c0808840(0000) GS:ff1100007e2b0000(0000) knlGS:0000000000000000
[    9.794237][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.794534][  T208] CR2: 0000560e47537d5c CR3: 000000000d58c002 CR4: 0000000000771ef0
[    9.794863][  T208] PKRU: 55555554
[    9.795089][  T208] Call Trace:
[    9.795300][  T208]  <TASK>
[    9.795485][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.795752][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.795968][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[    9.796228][  T208]  ? netif_change_name (net/core/dev.c:1495)
[    9.796482][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.796746][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.797000][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.797259][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.797520][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.797783][  T208]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.798033][  T208]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.798293][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.798555][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.798819][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.799076][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.799323][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.799580][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.799841][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.800102][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.800350][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.800609][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.800875][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.801133][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.801383][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.801641][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.801888][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.802087][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.802278][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.802483][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.802696][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.802886][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.803087][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.803281][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.803485][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.803694][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.803887][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.804089][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.804286][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.804490][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.804696][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.804918][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[    9.805124][  T208]  ___sys_sendmsg (net/socket.c:2752)
[    9.805316][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.805525][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.805741][  T208]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.805935][  T208]  __sys_sendmsg (net/socket.c:2784)
[    9.806136][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.806332][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.806535][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.806743][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.806935][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.807139][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.807332][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.807565][  T208] RIP: 0033:0x7fa4c0a4208e
[    9.807778][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.808327][  T208] RSP: 002b:00007ffc00ef1fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.808600][  T208] RAX: ffffffffffffffda RBX: 00007ffc00ef2768 RCX: 00007fa4c0a4208e
[    9.808872][  T208] RDX: 0000000000000000 RSI: 00007ffc00ef2080 RDI: 0000000000000005
[    9.809140][  T208] RBP: 00007ffc00ef1fe0 R08: 0000000000000000 R09: 0000000000000000
[    9.809399][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c76e
[    9.809667][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc00ef2740
| [    9.972919][  T214] ------------[ cut here ]------------
| [    9.973118][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/214
| [    9.973372][  T214] Modules linked in: veth
| [    9.973850][  T214] Tainted: [W]=WARN
[    9.973957][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.974142][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.974339][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.974860][  T214] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[    9.975043][  T214] RAX: 00000000ffffffa6 RBX: ff110000094b0740 RCX: 1ff4000000112d8c
[    9.975262][  T214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094b07f8
[    9.975478][  T214] RBP: ff1100000bd8c000 R08: 1fe2200001296100 R09: ff1100000cf38b80
[    9.975699][  T214] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.975911][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b1ae00
[    9.976139][  T214] FS:  00007f275c59d840(0000) GS:ff1100007e230000(0000) knlGS:0000000000000000
[    9.976393][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.976576][  T214] CR2: 00007ffe87b7ced8 CR3: 000000000c3ad003 CR4: 0000000000771ef0
[    9.976795][  T214] PKRU: 55555554
[    9.976900][  T214] Call Trace:
[    9.977005][  T214]  <TASK>
[    9.977085][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.977230][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.977372][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.977481][  T214]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.977625][  T214]  __dev_notify_flags (net/core/dev.c:9787)
[    9.977773][  T214]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.977913][  T214]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.978052][  T214]  ? netif_change_name (net/core/dev.c:1495)
[    9.978199][  T214]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.978340][  T214]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.978484][  T214]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.978625][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.978775][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.978940][  T214]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.979087][  T214]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.979227][  T214]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.979369][  T214]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.979514][  T214] veth_newlink (drivers/net/veth.c:1871) veth
[    9.979657][  T214]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.979839][  T214]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.979980][  T214]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.980127][  T214]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.980286][  T214]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.980433][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.980576][  T214]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.980722][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.980865][  T214]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.981012][  T214]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.981160][  T214]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.981301][  T214]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.981445][  T214]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.981593][  T214]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.981746][  T214]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.981890][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.982031][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.982182][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.982324][  T214]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.982468][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.982615][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.982763][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.982903][  T214]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.983045][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.983192][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.983334][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.983481][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.983621][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.983772][  T214]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.983914][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.984056][  T214]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.984209][  T214]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.984350][  T214]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.984497][  T214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.984640][  T214]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.984791][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.984935][  T214]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.985082][  T214]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.985229][  T214]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.985377][  T214]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.985526][  T214]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.985671][  T214]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.985852][  T214]  ? move_addr_to_kernel (net/socket.c:258)
[    9.986000][  T214]  ___sys_sendmsg (net/socket.c:2752)
[    9.986147][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.986290][  T214]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.986447][  T214]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.986593][  T214]  __sys_sendmsg (net/socket.c:2784)
[    9.986742][  T214]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.986888][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.987033][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.987180][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.987322][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.987468][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.987608][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.987791][  T214] RIP: 0033:0x7f275c7d708e
[    9.987939][  T214] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.988447][  T214] RSP: 002b:00007fff0850e570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.988660][  T214] RAX: ffffffffffffffda RBX: 00007fff0850ed08 RCX: 00007f275c7d708e
[    9.988877][  T214] RDX: 0000000000000000 RSI: 00007fff0850e620 RDI: 0000000000000005
[    9.989091][  T214] RBP: 00007fff0850e580 R08: 0000000000000000 R09: 0000000000000000
[    9.989302][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c76e
[    9.989514][  T214] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0850ece0
| [   10.014428][  T214] ------------[ cut here ]------------
| [   10.014596][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/214
| [   10.014853][  T214] Modules linked in: veth
| [   10.015252][  T214] Tainted: [W]=WARN
[   10.015358][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.015539][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.015956][  T214] 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
[   10.016468][  T214] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[   10.016647][  T214] RAX: 00000000ffffffa6 RBX: ff11000009f82580 RCX: 1ff4000000112dfc
[   10.016859][  T214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009f82638
[   10.017072][  T214] RBP: ff1100000cea1000 R08: 1fe22000013f04c8 R09: ff1100000cf38b80
[   10.017280][  T214] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.017493][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.017707][  T214] FS:  00007f275c59d840(0000) GS:ff1100007e230000(0000) knlGS:0000000000000000
[   10.017949][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.018139][  T214] CR2: 00007ffe87b7ced8 CR3: 000000000c3ad003 CR4: 0000000000771ef0
[   10.018349][  T214] PKRU: 55555554
[   10.018460][  T214] Call Trace:
[   10.018564][  T214]  <TASK>
[   10.018638][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.018790][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.018896][  T214]  __dev_notify_flags (net/core/dev.c:9787)
[   10.019037][  T214]  ? netif_change_name (net/core/dev.c:1495)
[   10.019182][  T214]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.019320][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.019469][  T214]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.019610][  T214]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.019759][  T214]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.019899][  T214]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.020038][  T214]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.020199][  T214]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.020348][  T214]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.020497][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.020637][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.020785][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.020929][  T214]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.021073][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.021218][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.021360][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.021507][  T214]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.021646][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.021790][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.021928][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.022073][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.022212][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.022353][  T214]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.022496][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.022638][  T214]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.022796][  T214]  ? 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))
[   10.022936][  T214]  ? 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))
[   10.023081][  T214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.023222][  T214]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.023361][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.023506][  T214]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.023646][  T214]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.023798][  T214]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.023945][  T214]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.024092][  T214]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.024231][  T214]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.024407][  T214]  ? move_addr_to_kernel (net/socket.c:258)
[   10.024555][  T214]  ___sys_sendmsg (net/socket.c:2752)
[   10.024700][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.024842][  T214]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.025009][  T214]  ? 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))
[   10.025157][  T214]  __sys_sendmsg (net/socket.c:2784)
[   10.025297][  T214]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.025444][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.025585][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.025728][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.025868][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.026006][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.026148][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.026321][  T214] RIP: 0033:0x7f275c7d708e
[   10.026471][  T214] 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
[   10.026980][  T214] RSP: 002b:00007fff0850e570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.027194][  T214] RAX: ffffffffffffffda RBX: 00007fff0850ed08 RCX: 00007f275c7d708e
[   10.027406][  T214] RDX: 0000000000000000 RSI: 00007fff0850e620 RDI: 0000000000000005
[   10.027613][  T214] RBP: 00007fff0850e580 R08: 0000000000000000 R09: 0000000000000000
[   10.027825][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c76e


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