======================================
| xx__-> [    8.918365][  T185] ------------[ cut here ]------------
| [    8.918576][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    8.918829][  T185] Modules linked in: veth
| [    8.919249][  T185] Tainted: [W]=WARN
[    8.920459][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.920640][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.920828][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.921450][  T185] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[    8.921626][  T185] RAX: 00000000ffffffa6 RBX: ff1100000bd28ac0 RCX: 1ff4000000126d8c
[    8.922030][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bd28b78
[    8.922640][  T185] RBP: ff11000005829000 R08: 1fe22000017a5170 R09: ff11000009298b80
[    8.922860][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.923159][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005755900
[    8.923583][  T185] FS:  00007ff8b4e43840(0000) GS:ff1100007ab30000(0000) knlGS:0000000000000000
[    8.923831][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.924004][  T185] CR2: 00007f14646a8808 CR3: 000000000c0ad006 CR4: 0000000000771ef0
[    8.924425][  T185] PKRU: 55555554
[    8.924530][  T185] Call Trace:
[    8.924733][  T185]  <TASK>
[    8.924808][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.924983][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.925122][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.925229][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.925669][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.925810][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    8.925948][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.926084][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    8.926220][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.926476][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.926613][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.926757][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.926985][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.927214][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    8.927590][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    8.927735][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    8.927907][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.928046][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.928183][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.928361][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.928591][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.928735][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.928880][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.929019][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.929156][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.929305][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.929441][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.929666][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.929820][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.929961][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.930105][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.930242][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.930387][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.930639][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.930779][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.930919][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.931064][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.931201][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.931348][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.931576][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.931813][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.931953][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.932096][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.932240][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.932384][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.932519][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.932665][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.932899][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.933130][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.933275][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.933417][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.933555][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.933691][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.933835][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.933975][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.934113][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.934256][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.934615][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    8.934764][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    8.934900][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.935034][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.935183][  T185]  __sys_sendmsg (net/socket.c:2784)
[    8.935333][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.935470][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.935696][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.935932][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    8.936160][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.936308][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.936454][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.936680][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.937010][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.937244][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.937418][  T185] RIP: 0033:0x7ff8b507d08e
[    8.937562][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.938156][  T185] RSP: 002b:00007ffcc4d9c910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.938372][  T185] RAX: ffffffffffffffda RBX: 00007ffcc4d9d0a8 RCX: 00007ff8b507d08e
[    8.938770][  T185] RDX: 0000000000000000 RSI: 00007ffcc4d9c9c0 RDI: 0000000000000005
[    8.938975][  T185] RBP: 00007ffcc4d9c920 R08: 0000000000000000 R09: 0000000000000000
[    8.939179][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c680
[    8.939405][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc4d9d080
| [    8.954834][  T185] ------------[ cut here ]------------
| [    8.954981][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    8.955215][  T185] Modules linked in: veth
| [    8.955606][  T185] Tainted: [W]=WARN
[    8.955709][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.955881][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.956053][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.956542][  T185] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[    8.956710][  T185] RAX: 00000000ffffffa6 RBX: ff11000008b6c740 RCX: 1ff4000000126dfc
[    8.956914][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008b6c7f8
[    8.957111][  T185] RBP: ff11000007d49000 R08: 1fe220000116d900 R09: ff11000009298b80
[    8.957319][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.957516][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.957716][  T185] FS:  00007ff8b4e43840(0000) GS:ff1100007ab30000(0000) knlGS:0000000000000000
[    8.957956][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.958125][  T185] CR2: 00007f14646a8808 CR3: 000000000c0ad006 CR4: 0000000000771ef0
[    8.958336][  T185] PKRU: 55555554
[    8.958435][  T185] Call Trace:
[    8.958537][  T185]  <TASK>
[    8.958608][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.958748][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.958852][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    8.958988][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    8.959120][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.959256][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.959400][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.959535][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.959670][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.959807][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.959939][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.960078][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.960213][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.960360][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.960492][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.960626][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.960762][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.960893][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.961029][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.961163][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.961306][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.961439][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.961572][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.961706][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.961844][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.961976][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.962110][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.962245][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.962383][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.962519][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.962650][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.962790][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.962923][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.963056][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.963189][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.963335][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.963470][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.963605][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.963742][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.963875][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.964037][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    8.964175][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    8.964317][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.964452][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.964597][  T185]  __sys_sendmsg (net/socket.c:2784)
[    8.964738][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.964871][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.965003][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.965140][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    8.965276][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.965416][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.965550][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.965684][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.965825][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.965957][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.966122][  T185] RIP: 0033:0x7ff8b507d08e
[    8.966267][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.966747][  T185] RSP: 002b:00007ffcc4d9c910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.966948][  T185] RAX: ffffffffffffffda RBX: 00007ffcc4d9d0a8 RCX: 00007ff8b507d08e
[    8.967147][  T185] RDX: 0000000000000000 RSI: 00007ffcc4d9c9c0 RDI: 0000000000000005
[    8.967356][  T185] RBP: 00007ffcc4d9c920 R08: 0000000000000000 R09: 0000000000000000
[    8.967554][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c680
[    8.967758][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc4d9d080
| [    9.110101][  T193] ------------[ cut here ]------------
| [    9.110297][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [    9.110551][  T193] Modules linked in: veth
| [    9.110954][  T193] Tainted: [W]=WARN
[    9.111063][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.111248][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.111440][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.111945][  T193] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[    9.112125][  T193] RAX: 00000000ffffffa6 RBX: ff1100000d49ba80 RCX: 1ff4000000126d8c
[    9.112348][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d49bb38
[    9.112559][  T193] RBP: ff1100000206c000 R08: 1fe2200001a93768 R09: ff1100000c128b80
[    9.112799][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.113011][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a677c00
[    9.113222][  T193] FS:  00007f4f2b78b840(0000) GS:ff1100007aa30000(0000) knlGS:0000000000000000
[    9.113474][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.113653][  T193] CR2: 00007f8de25e4d80 CR3: 000000000d5cf002 CR4: 0000000000771ef0
[    9.113869][  T193] PKRU: 55555554
[    9.113974][  T193] Call Trace:
[    9.114077][  T193]  <TASK>
[    9.114150][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.114305][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.114411][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.114586][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.114734][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.114874][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.115015][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.115154][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.115304][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.115447][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.115586][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.115724][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.115870][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.116008][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.116149][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.116302][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.116472][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.116612][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.116753][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.116909][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.117048][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.117189][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.117338][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.117478][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.117618][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.117764][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.117901][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.118038][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.118182][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.118335][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.118473][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.118611][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.118765][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.118904][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.119040][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.119183][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.119334][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.119472][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.119611][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.119756][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.119893][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.120034][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.120171][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.120321][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.120458][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.120599][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.120748][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.120885][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.121024][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.121164][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.121315][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.121453][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.121592][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.121737][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.121880][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.122020][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.122157][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.122340][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.122482][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.122620][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.122764][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.122912][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.123051][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.123188][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.123343][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.123482][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.123621][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.123766][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.123905][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.124045][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.124223][  T193] RIP: 0033:0x7f4f2b9c508e
[    9.124380][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.124880][  T193] RSP: 002b:00007ffe3d6153b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.125185][  T193] RAX: ffffffffffffffda RBX: 00007ffe3d615b48 RCX: 00007f4f2b9c508e
[    9.125405][  T193] RDX: 0000000000000000 RSI: 00007ffe3d615460 RDI: 0000000000000005
[    9.125613][  T193] RBP: 00007ffe3d6153c0 R08: 0000000000000000 R09: 0000000000000000
[    9.125920][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c680
[    9.126127][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3d615b20
| [    9.168182][  T193] ------------[ cut here ]------------
| [    9.168440][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [    9.168681][  T193] Modules linked in: veth
| [    9.169066][  T193] Tainted: [W]=WARN
[    9.169170][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.169350][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.169527][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.170021][  T193] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[    9.170192][  T193] RAX: 00000000ffffffa6 RBX: ff11000008dc43c0 RCX: 1ff4000000126dfc
[    9.170405][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008dc4478
[    9.170611][  T193] RBP: ff11000001db4000 R08: 1fe22000011b8890 R09: ff1100000c128b80
[    9.170821][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.171025][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.171228][  T193] FS:  00007f4f2b78b840(0000) GS:ff1100007aa30000(0000) knlGS:0000000000000000
[    9.171479][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.171650][  T193] CR2: 00007f8de25e4d80 CR3: 000000000d5cf002 CR4: 0000000000771ef0
[    9.171859][  T193] PKRU: 55555554
[    9.171959][  T193] Call Trace:
[    9.172063][  T193]  <TASK>
[    9.172136][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.172278][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.172386][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.172526][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.172663][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.172805][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.172944][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.173080][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.173217][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.173364][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.173500][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.173647][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.173791][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.173926][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.174064][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.174202][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.174346][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.174481][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.174622][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.174763][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.174898][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.175038][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.175174][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.175396][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.175535][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.175674][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.175815][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.175951][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.176088][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.176237][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.176432][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.176569][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.176707][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.176846][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.176982][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.177117][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.177259][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.177473][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.177611][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.177757][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.177923][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.178062][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.178195][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.178416][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.178558][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.178695][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.178836][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.178973][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.179106][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.179243][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.179474][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.179609][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.179746][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.179911][  T193] RIP: 0033:0x7f4f2b9c508e
[    9.180050][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.180617][  T193] RSP: 002b:00007ffe3d6153b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.180822][  T193] RAX: ffffffffffffffda RBX: 00007ffe3d615b48 RCX: 00007f4f2b9c508e
[    9.181021][  T193] RDX: 0000000000000000 RSI: 00007ffe3d615460 RDI: 0000000000000005
[    9.181221][  T193] RBP: 00007ffe3d6153c0 R08: 0000000000000000 R09: 0000000000000000
[    9.181446][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c680
[    9.181645][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3d615b20
| [    9.377646][  T200] ------------[ cut here ]------------
| [    9.377825][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.378068][  T200] Modules linked in: veth
| [    9.378473][  T200] Tainted: [W]=WARN
[    9.378577][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.378756][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.378935][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.379434][  T200] RSP: 0018:ffa0000000806e30 EFLAGS: 00010286
[    9.379611][  T200] RAX: 00000000ffffffa6 RBX: ff1100000927fc40 RCX: 1ff4000000100d8c
[    9.379819][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000927fcf8
[    9.380022][  T200] RBP: ff1100000ede9000 R08: 1fe220000124ffa0 R09: ff1100000bfa2e80
[    9.380230][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.380438][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004bae380
[    9.380645][  T200] FS:  00007f2a4f9e8840(0000) GS:ff1100007a9b0000(0000) knlGS:0000000000000000
[    9.380891][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.381064][  T200] CR2: 00007ff71113a808 CR3: 000000000caf3004 CR4: 0000000000771ef0
[    9.381276][  T200] PKRU: 55555554
[    9.381387][  T200] Call Trace:
[    9.381490][  T200]  <TASK>
[    9.381561][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.381704][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.381848][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.381955][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.382095][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.382238][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.382384][  T200]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.382523][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.382662][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.382803][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.382946][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.383087][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.383229][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.383375][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.383517][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.383656][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.383801][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.383942][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.384084][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.384261][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.384405][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.384543][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.384698][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.384844][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.384982][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.385121][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.385269][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.385433][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.385578][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.385719][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.385866][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.386009][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.386152][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.386303][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.386441][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.386580][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.386718][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.386860][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.387002][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.387141][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.387280][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.387425][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.387562][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.387699][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.387843][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.387980][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.388120][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.388262][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.388407][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.388551][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.388690][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.388839][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.388979][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.389120][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.389266][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.389412][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.389552][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.389695][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.389849][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.389987][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.390158][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.390315][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.390455][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.390599][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.390757][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.390899][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.391040][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.391184][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.391336][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.391475][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.391616][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.391762][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.391901][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.392073][  T200] RIP: 0033:0x7f2a4fc2208e
[    9.392220][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.392721][  T200] RSP: 002b:00007fff89571df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.392938][  T200] RAX: ffffffffffffffda RBX: 00007fff89572588 RCX: 00007f2a4fc2208e
[    9.393144][  T200] RDX: 0000000000000000 RSI: 00007fff89571ea0 RDI: 0000000000000005
[    9.393365][  T200] RBP: 00007fff89571e00 R08: 0000000000000000 R09: 0000000000000000
[    9.393575][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c680
[    9.393787][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff89572560
| [    9.411686][  T200] ------------[ cut here ]------------
| [    9.411845][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.412079][  T200] Modules linked in: veth
| [    9.412522][  T200] Tainted: [W]=WARN
[    9.412624][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.412795][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.412969][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.413458][  T200] RSP: 0018:ffa00000008071b0 EFLAGS: 00010286
[    9.413624][  T200] RAX: 00000000ffffffa6 RBX: ff1100000c359c40 RCX: 1ff4000000100dfc
[    9.413832][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c359cf8
[    9.414028][  T200] RBP: ff1100000c4bc000 R08: 1fe220000186b3a0 R09: ff1100000bfa2e80
[    9.414229][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.414435][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.414634][  T200] FS:  00007f2a4f9e8840(0000) GS:ff1100007a9b0000(0000) knlGS:0000000000000000
[    9.414874][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.415040][  T200] CR2: 00007ff71113a808 CR3: 000000000caf3004 CR4: 0000000000771ef0
[    9.415242][  T200] PKRU: 55555554
[    9.415354][  T200] Call Trace:
[    9.415453][  T200]  <TASK>
[    9.415522][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.415657][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.415764][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.415898][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.416053][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.416192][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.416339][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.416473][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.416608][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.416745][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.416879][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.417019][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.417161][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.417308][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.417443][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.417581][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.417714][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.417854][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.417993][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.418133][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.418277][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.418421][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.418556][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.418691][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.418833][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.418966][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.419105][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.419244][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.419387][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.419525][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.419660][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.419805][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.419942][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.420080][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.420215][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.420364][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.420501][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.420639][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.420779][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.420916][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.421083][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.421223][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.421373][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.421508][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.421650][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.421792][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.421930][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.422070][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.422207][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.422353][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.422486][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.422620][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.422758][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.422927][  T200] RIP: 0033:0x7f2a4fc2208e
[    9.423069][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.423547][  T200] RSP: 002b:00007fff89571df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.423755][  T200] RAX: ffffffffffffffda RBX: 00007fff89572588 RCX: 00007f2a4fc2208e
[    9.423963][  T200] RDX: 0000000000000000 RSI: 00007fff89571ea0 RDI: 0000000000000005
[    9.424165][  T200] RBP: 00007fff89571e00 R08: 0000000000000000 R09: 0000000000000000
[    9.424379][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c680
[    9.424582][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff89572560
| [    9.599431][  T210] ------------[ cut here ]------------
| [    9.599614][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/210
| [    9.599871][  T210] Modules linked in: veth
| [    9.600337][  T210] Tainted: [W]=WARN
[    9.600444][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.600618][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.600810][  T210] 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
[    9.601314][  T210] RSP: 0018:ffa0000000756e30 EFLAGS: 00010286
[    9.601491][  T210] RAX: 00000000ffffffa6 RBX: ff110000094ed700 RCX: 1ff40000000ead8c
[    9.601696][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094ed7b8
[    9.601909][  T210] RBP: ff110000083f1000 R08: 1fe220000129daf8 R09: ff1100000c80d180
[    9.602119][  T210] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.602339][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005756e00
[    9.602549][  T210] FS:  00007fa49da73840(0000) GS:ff1100007ab30000(0000) knlGS:0000000000000000
[    9.602796][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.602973][  T210] CR2: 00007f117ccf2870 CR3: 000000000c0af003 CR4: 0000000000771ef0
[    9.603182][  T210] PKRU: 55555554
[    9.603299][  T210] Call Trace:
[    9.603407][  T210]  <TASK>
[    9.603479][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.603622][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.603769][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.603876][  T210]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.604017][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[    9.604158][  T210]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.604305][  T210]  ? 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)
[    9.604445][  T210]  ? netif_change_name (net/core/dev.c:1495)
[    9.604585][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.604730][  T210]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.604873][  T210]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.605012][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.605152][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.605303][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.605448][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.605586][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.605727][  T210]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.605878][  T210] veth_newlink (drivers/net/veth.c:1871) veth
[    9.606019][  T210]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.606192][  T210]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.606349][  T210]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.606490][  T210]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.606647][  T210]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.606793][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.606934][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.607071][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.607211][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.607362][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.607501][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.607638][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.607781][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.607924][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.608066][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.608203][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.608349][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.608489][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.608625][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.608764][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.608908][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.609049][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.609187][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.609341][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.609482][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.609619][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.609767][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.609904][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.610043][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.610180][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.610332][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.610475][  T210]  ? 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))
[    9.610620][  T210]  ? 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))
[    9.610767][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.610908][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.611048][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.611187][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.611339][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.611479][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.611622][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.611769][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.611905][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.612078][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[    9.612221][  T210]  ___sys_sendmsg (net/socket.c:2752)
[    9.612371][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.612510][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.612656][  T210]  ? 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))
[    9.612802][  T210]  __sys_sendmsg (net/socket.c:2784)
[    9.612942][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.613084][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.613224][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.613373][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.613510][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.613650][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.613796][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.613966][  T210] RIP: 0033:0x7fa49dcad08e
[    9.614111][  T210] 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
[    9.614616][  T210] RSP: 002b:00007ffd2bafce90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.614831][  T210] RAX: ffffffffffffffda RBX: 00007ffd2bafd628 RCX: 00007fa49dcad08e
[    9.615039][  T210] RDX: 0000000000000000 RSI: 00007ffd2bafcf40 RDI: 0000000000000005
[    9.615248][  T210] RBP: 00007ffd2bafcea0 R08: 0000000000000000 R09: 0000000000000000
[    9.615461][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c680
[    9.615666][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2bafd600
| [    9.624959][  T210] ------------[ cut here ]------------
| [    9.625108][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/210
| [    9.625455][  T210] Modules linked in: veth
| [    9.625840][  T210] Tainted: [W]=WARN
[    9.625942][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.626112][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.626298][  T210] 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
[    9.626783][  T210] RSP: 0018:ffa00000007571b0 EFLAGS: 00010286
[    9.626955][  T210] RAX: 00000000ffffffa6 RBX: ff1100000cba8740 RCX: 1ff40000000eadfc
[    9.627158][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cba87f8
[    9.627369][  T210] RBP: ff110000052d9000 R08: 1fe2200001975100 R09: ff1100000c80d180
[    9.627569][  T210] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.627774][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.627976][  T210] FS:  00007fa49da73840(0000) GS:ff1100007ab30000(0000) knlGS:0000000000000000
[    9.628210][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.628387][  T210] CR2: 00007f117ccf2870 CR3: 000000000c0af003 CR4: 0000000000771ef0
[    9.628590][  T210] PKRU: 55555554
[    9.628690][  T210] Call Trace:
[    9.628799][  T210]  <TASK>
[    9.628869][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.629007][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.629112][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[    9.629252][  T210]  ? netif_change_name (net/core/dev.c:1495)
[    9.629394][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.629528][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.629666][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.629810][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.629946][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.630079][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.630214][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.630366][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.630506][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.630643][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.630785][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.630921][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.631056][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.631189][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.631338][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.631474][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.631610][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.631749][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.631886][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.632020][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.632157][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.632302][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.632441][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.632577][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.632717][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.632864][  T210]  ? 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))
[    9.633008][  T210]  ? 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))
[    9.633142][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.633281][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.633421][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.633564][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.633700][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.633844][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.633981][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.634116][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.634257][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.634444][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[    9.634585][  T210]  ___sys_sendmsg (net/socket.c:2752)
[    9.634719][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.634862][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.635007][  T210]  ? 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))
[    9.635145][  T210]  __sys_sendmsg (net/socket.c:2784)
[    9.635284][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.635429][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.635564][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.635706][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.635844][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.635979][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.636114][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.636293][  T210] RIP: 0033:0x7fa49dcad08e
[    9.636436][  T210] 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
[    9.636924][  T210] RSP: 002b:00007ffd2bafce90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.637131][  T210] RAX: ffffffffffffffda RBX: 00007ffd2bafd628 RCX: 00007fa49dcad08e
[    9.637342][  T210] RDX: 0000000000000000 RSI: 00007ffd2bafcf40 RDI: 0000000000000005
[    9.637547][  T210] RBP: 00007ffd2bafcea0 R08: 0000000000000000 R09: 0000000000000000
[    9.637753][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c680


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