======================================
| xx__-> [   10.623635][  T186] ------------[ cut here ]------------
| [   10.623898][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   10.624193][  T186] Modules linked in: veth
| [   10.624662][  T186] Tainted: [W]=WARN
[   10.624769][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.624946][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.625139][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.625648][  T186] RSP: 0018:ffa0000000856e30 EFLAGS: 00010286
[   10.625827][  T186] RAX: 00000000ffffffa6 RBX: ff11000009a01a80 RCX: 1ff400000010ad8c
[   10.626038][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009a01b38
[   10.626262][  T186] RBP: ff1100000a07c000 R08: 1fe2200001340368 R09: ff11000012ee0b80
[   10.626483][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.626700][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b5c080
[   10.626912][  T186] FS:  00007f8ca645f840(0000) GS:ff11000082d30000(0000) knlGS:0000000000000000
[   10.627164][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.627341][  T186] CR2: 0000556cccd091f0 CR3: 0000000012c4f006 CR4: 0000000000771ef0
[   10.627558][  T186] PKRU: 55555554
[   10.627668][  T186] Call Trace:
[   10.627773][  T186]  <TASK>
[   10.627846][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.628024][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.628174][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.628296][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.628445][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.628584][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.628731][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.628887][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.629030][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.629181][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.629323][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.629470][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.629614][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.629755][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.629895][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.630039][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.630218][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.630362][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.630506][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.630669][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.630811][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.630953][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.631092][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.631241][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.631384][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.631530][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.631674][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.631816][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.631960][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.632136][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.632278][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.632425][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.632568][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.632714][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.632855][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.633002][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.633150][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.633290][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.633436][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.633577][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.633738][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.633879][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.634017][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.634163][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.634305][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.634451][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.634595][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.634740][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.634883][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.635025][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.635172][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.635327][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.635478][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.635631][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.635775][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.635915][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.636061][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.636242][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.636389][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.636536][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.636682][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.636836][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.636977][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.637119][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.637259][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.637404][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.637547][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.637692][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.637834][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.637975][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.638120][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.638263][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.638442][  T186] RIP: 0033:0x7f8ca669908e
[   10.638592][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.639096][  T186] RSP: 002b:00007ffce8d065e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.639315][  T186] RAX: ffffffffffffffda RBX: 00007ffce8d06d78 RCX: 00007f8ca669908e
[   10.639582][  T186] RDX: 0000000000000000 RSI: 00007ffce8d06690 RDI: 0000000000000005
[   10.639794][  T186] RBP: 00007ffce8d065f0 R08: 0000000000000000 R09: 0000000000000000
[   10.640003][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ceca
[   10.640270][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce8d06d50
| [   10.648364][  T186] ------------[ cut here ]------------
| [   10.648523][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   10.648773][  T186] Modules linked in: veth
| [   10.649730][  T186] Tainted: [W]=WARN
[   10.649835][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.650064][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.650305][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.650812][  T186] RSP: 0018:ffa00000008571b0 EFLAGS: 00010286
[   10.650981][  T186] RAX: 00000000ffffffa6 RBX: ff11000011d90c80 RCX: 1ff400000010adfc
[   10.651242][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000011d90d38
[   10.651449][  T186] RBP: ff110000087f1000 R08: 1fe22000023b21a8 R09: ff11000012ee0b80
[   10.651658][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.651860][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.652064][  T186] FS:  00007f8ca645f840(0000) GS:ff11000082d30000(0000) knlGS:0000000000000000
[   10.652363][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.652552][  T186] CR2: 0000556cccd091f0 CR3: 0000000012c4f006 CR4: 0000000000771ef0
[   10.652760][  T186] PKRU: 55555554
[   10.652862][  T186] Call Trace:
[   10.652965][  T186]  <TASK>
[   10.653036][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.653235][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.653342][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.653484][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.653630][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.653764][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.653903][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.654039][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.654236][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.654370][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.654514][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.654661][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.654801][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.654938][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.655074][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.655267][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.655404][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.655552][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.655696][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.655834][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.655969][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.656166][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.656301][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.656442][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.656580][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.656718][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.656854][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.656990][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.657187][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.657327][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.657470][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.657613][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.657750][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.657887][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.658025][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.658222][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.658360][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.658506][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.658648][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.658783][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.658951][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.659092][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.659287][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.659429][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.659580][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.659721][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.659859][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.659993][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.660192][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.660327][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.660470][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.660612][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.660749][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.660887][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.661024][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.661260][  T186] RIP: 0033:0x7f8ca669908e
[   10.661416][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.661907][  T186] RSP: 002b:00007ffce8d065e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.662170][  T186] RAX: ffffffffffffffda RBX: 00007ffce8d06d78 RCX: 00007f8ca669908e
[   10.662377][  T186] RDX: 0000000000000000 RSI: 00007ffce8d06690 RDI: 0000000000000005
[   10.662583][  T186] RBP: 00007ffce8d065f0 R08: 0000000000000000 R09: 0000000000000000
[   10.662791][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ceca
[   10.662998][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce8d06d50
| [   10.781519][  T191] ------------[ cut here ]------------
| [   10.781713][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/191
| [   10.781968][  T191] Modules linked in: veth
| [   10.782381][  T191] Tainted: [W]=WARN
[   10.782498][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.782685][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.782879][  T191] 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
[   10.783391][  T191] RSP: 0018:ffa0000000536e30 EFLAGS: 00010286
[   10.783578][  T191] RAX: 00000000ffffffa6 RBX: ff110000099d03c0 RCX: 1ff40000000a6d8c
[   10.783794][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000099d0478
[   10.784006][  T191] RBP: ff11000005161000 R08: 1fe220000133a090 R09: ff1100001346d180
[   10.784223][  T191] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.784442][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a1cbc00
[   10.784660][  T191] FS:  00007ff85b0b3840(0000) GS:ff11000082bb0000(0000) knlGS:0000000000000000
[   10.784907][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.785087][  T191] CR2: 000000000042ebe0 CR3: 000000001294a005 CR4: 0000000000771ef0
[   10.785307][  T191] PKRU: 55555554
[   10.785438][  T191] Call Trace:
[   10.785545][  T191]  <TASK>
[   10.785623][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.785768][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.785876][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.786054][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   10.786202][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   10.786342][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.786489][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.786637][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.786777][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.786921][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.787063][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.787216][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.787358][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.787506][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.787655][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[   10.787800][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.787975][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.788125][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.788267][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.788431][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.788575][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.788724][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.788865][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.789008][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.789157][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.789301][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.789448][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.789592][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.789741][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.789901][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.790044][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.790187][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.790329][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.790475][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.790620][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.790765][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.790906][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.791046][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.791194][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.791332][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.791483][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.791633][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.791771][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.791912][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.792054][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.792202][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.792348][  T191]  ? 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))
[   10.792489][  T191]  ? 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))
[   10.792639][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.792781][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.792923][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.793084][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.793236][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.793378][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.793526][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.793676][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.793817][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.793993][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   10.794145][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   10.794284][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.794432][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.794583][  T191]  ? 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))
[   10.794732][  T191]  __sys_sendmsg (net/socket.c:2784)
[   10.794875][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.795022][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.795171][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.795312][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.795460][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.795603][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.795752][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.795930][  T191] RIP: 0033:0x7ff85b2ed08e
[   10.796079][  T191] 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
[   10.796598][  T191] RSP: 002b:00007ffcaba796b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.796827][  T191] RAX: ffffffffffffffda RBX: 00007ffcaba79e48 RCX: 00007ff85b2ed08e
[   10.797041][  T191] RDX: 0000000000000000 RSI: 00007ffcaba79760 RDI: 0000000000000005
[   10.797257][  T191] RBP: 00007ffcaba796c0 R08: 0000000000000000 R09: 0000000000000000
[   10.797471][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cecb
[   10.797686][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcaba79e20
| [   10.806160][  T191] ------------[ cut here ]------------
| [   10.806317][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/191
| [   10.806561][  T191] Modules linked in: veth
| [   10.806953][  T191] Tainted: [W]=WARN
[   10.807057][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.807849][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.808032][  T191] 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
[   10.808629][  T191] RSP: 0018:ffa00000005371b0 EFLAGS: 00010286
[   10.808808][  T191] RAX: 00000000ffffffa6 RBX: ff1100000925a040 RCX: 1ff40000000a6dfc
[   10.809011][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000925a0f8
[   10.809312][  T191] RBP: ff11000001db4000 R08: 1fe220000124b420 R09: ff1100001346d180
[   10.809623][  T191] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.809827][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.810038][  T191] FS:  00007ff85b0b3840(0000) GS:ff11000082bb0000(0000) knlGS:0000000000000000
[   10.810377][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.810554][  T191] CR2: 000000000042ebe0 CR3: 000000001294a005 CR4: 0000000000771ef0
[   10.810773][  T191] PKRU: 55555554
[   10.810879][  T191] Call Trace:
[   10.810980][  T191]  <TASK>
[   10.811051][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.811263][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.811368][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   10.811512][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   10.811653][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.811788][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.811928][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.812067][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.812302][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.812444][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.812581][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.812728][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.812871][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.813008][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.813229][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.813367][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.813511][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.813653][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.813795][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.813933][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.814070][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.814330][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.814501][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.814648][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.815617][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.815846][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.816089][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.816285][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.816422][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.816673][  T191]  ? 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))
[   10.816817][  T191]  ? 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))
[   10.816955][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.817245][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.817391][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.817634][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.818059][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.818274][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.818419][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.818555][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.818783][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.819080][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   10.819302][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   10.819443][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.819675][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.819988][  T191]  ? 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))
[   10.820134][  T191]  __sys_sendmsg (net/socket.c:2784)
[   10.820271][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.820417][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.820570][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.820712][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.820863][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.821108][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.821247][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.821510][  T191] RIP: 0033:0x7ff85b2ed08e
[   10.821656][  T191] 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
[   10.822247][  T191] RSP: 002b:00007ffcaba796b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.822453][  T191] RAX: ffffffffffffffda RBX: 00007ffcaba79e48 RCX: 00007ff85b2ed08e
[   10.822752][  T191] RDX: 0000000000000000 RSI: 00007ffcaba79760 RDI: 0000000000000005
[   10.822951][  T191] RBP: 00007ffcaba796c0 R08: 0000000000000000 R09: 0000000000000000
[   10.823160][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cecb
[   10.823465][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcaba79e20
| [   11.086500][  T209] ------------[ cut here ]------------
| [   11.086722][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   11.086984][  T209] Modules linked in: veth
| [   11.087509][  T209] Tainted: [W]=WARN
[   11.087628][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.087817][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.088009][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.088537][  T209] RSP: 0018:ffa0000000706e30 EFLAGS: 00010286
[   11.088728][  T209] RAX: 00000000ffffffa6 RBX: ff1100000a315700 RCX: 1ff40000000e0d8c
[   11.088945][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a3157b8
[   11.089168][  T209] RBP: ff11000012969000 R08: 1fe2200001462af8 R09: ff110000131b2e80
[   11.089382][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.089598][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000137a6700
[   11.089820][  T209] FS:  00007f95d793b840(0000) GS:ff11000082d30000(0000) knlGS:0000000000000000
[   11.090074][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.090259][  T209] CR2: 0000556cccdda108 CR3: 0000000012e3b004 CR4: 0000000000771ef0
[   11.090484][  T209] PKRU: 55555554
[   11.090592][  T209] Call Trace:
[   11.090707][  T209]  <TASK>
[   11.090784][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.090932][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.091078][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.091206][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.091355][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   11.091503][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.091651][  T209]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.091799][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   11.091946][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.092089][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.092236][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.092381][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.092529][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.092678][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.092822][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.092964][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.093114][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.093259][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   11.093406][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.093586][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.093734][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.093878][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.094037][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.094187][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.094332][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.094479][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.094626][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.094770][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.094917][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.095059][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.095213][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.095361][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.095513][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.095663][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.095804][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.095949][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.096089][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.096233][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.096378][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.096526][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.096673][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.096815][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.096957][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.097106][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.097252][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.097400][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.097551][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.097702][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.097844][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.097991][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.098137][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.098281][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.098426][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.098569][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.098716][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.098861][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.099003][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.099154][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.099297][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.099443][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.099621][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   11.099769][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   11.099912][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.100053][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.100211][  T209]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.100359][  T209]  __sys_sendmsg (net/socket.c:2784)
[   11.100531][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.100684][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.100828][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.100970][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.101116][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.101258][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.101398][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.101584][  T209] RIP: 0033:0x7f95d7b7508e
[   11.101744][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.102274][  T209] RSP: 002b:00007ffea5d795a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.102495][  T209] RAX: ffffffffffffffda RBX: 00007ffea5d79d38 RCX: 00007f95d7b7508e
[   11.102719][  T209] RDX: 0000000000000000 RSI: 00007ffea5d79650 RDI: 0000000000000005
[   11.102934][  T209] RBP: 00007ffea5d795b0 R08: 0000000000000000 R09: 0000000000000000
[   11.103151][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cecb
[   11.103367][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea5d79d10
| [   11.113034][  T209] ------------[ cut here ]------------
| [   11.113301][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   11.113548][  T209] Modules linked in: veth
| [   11.113945][  T209] Tainted: [W]=WARN
[   11.114049][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.114230][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.114422][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.114926][  T209] RSP: 0018:ffa00000007071b0 EFLAGS: 00010286
[   11.115105][  T209] RAX: 00000000ffffffa6 RBX: ff11000011d91a80 RCX: 1ff40000000e0dfc
[   11.115313][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000011d91b38
[   11.115521][  T209] RBP: ff110000132fc000 R08: 1fe22000023b2368 R09: ff110000131b2e80
[   11.115732][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.115937][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.116150][  T209] FS:  00007f95d793b840(0000) GS:ff11000082d30000(0000) knlGS:0000000000000000
[   11.116394][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.116581][  T209] CR2: 0000556cccdda108 CR3: 0000000012e3b004 CR4: 0000000000771ef0
[   11.116794][  T209] PKRU: 55555554
[   11.116897][  T209] Call Trace:
[   11.117000][  T209]  <TASK>
[   11.117071][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.117217][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.117323][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   11.117467][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   11.117607][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.117750][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.117890][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.118030][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.118174][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.118310][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.118451][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.118595][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.118743][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.118883][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.119021][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.119166][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.119302][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.119444][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.119585][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.119750][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.119888][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.120025][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.120169][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.120305][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.120448][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.120584][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.120730][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.120868][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.121005][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.121151][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.121285][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.121426][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.121567][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.121707][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.121849][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.121992][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.122134][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.122280][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.122421][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.122558][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.122734][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   11.122877][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   11.123013][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.123154][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.123301][  T209]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.123445][  T209]  __sys_sendmsg (net/socket.c:2784)
[   11.123580][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.123727][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.123868][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.124005][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.124147][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.124283][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.124422][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.124594][  T209] RIP: 0033:0x7f95d7b7508e
[   11.124743][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.125238][  T209] RSP: 002b:00007ffea5d795a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.125448][  T209] RAX: ffffffffffffffda RBX: 00007ffea5d79d38 RCX: 00007f95d7b7508e
[   11.125658][  T209] RDX: 0000000000000000 RSI: 00007ffea5d79650 RDI: 0000000000000005
[   11.125866][  T209] RBP: 00007ffea5d795b0 R08: 0000000000000000 R09: 0000000000000000
[   11.126070][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cecb


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