======================================
| xx__-> [   10.722251][  T186] ------------[ cut here ]------------
| [   10.722522][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   10.722800][  T186] Modules linked in: veth
| [   10.723477][  T186] Tainted: [W]=WARN
[   10.723588][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.723768][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.723958][  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
[   10.724649][  T186] RSP: 0018:ffa00000008d6e30 EFLAGS: 00010286
[   10.724839][  T186] RAX: 00000000ffffffa6 RBX: ff11000005ce9000 RCX: 1ff400000011ad8c
[   10.725055][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005ce90b8
[   10.725286][  T186] RBP: ff11000008291000 R08: 1fe2200000b9d218 R09: ff1100000d10d180
[   10.725507][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.725723][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005dfe700
[   10.725940][  T186] FS:  00007f005489a840(0000) GS:ff110000a87b0000(0000) knlGS:0000000000000000
[   10.726204][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.726393][  T186] CR2: 000055fe430cfcf0 CR3: 000000000c60d006 CR4: 0000000000771ef0
[   10.726611][  T186] PKRU: 55555554
[   10.726723][  T186] Call Trace:
[   10.726832][  T186]  <TASK>
[   10.726910][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.727091][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.727250][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.727359][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.727504][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.727648][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.727792][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.727939][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.728083][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.728243][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.728424][  T186]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   10.728607][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.728755][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.728901][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.729047][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.729215][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.729453][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.729668][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.729885][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.730164][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.730364][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.730512][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.730656][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.730801][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.730949][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.731093][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.731250][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.731395][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.731566][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.731714][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.731860][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.732005][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.732178][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.732322][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.732466][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.732614][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.732760][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.732905][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.733048][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.733202][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.733350][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.733494][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.733636][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.733782][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.733929][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.734073][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.734232][  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))
[   10.734375][  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))
[   10.734520][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.734666][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.734814][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.734963][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.735112][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.735299][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.735448][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.735592][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.735737][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.735919][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.736069][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.736224][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.736367][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.736521][  T186]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.736668][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.736816][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.736964][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.737109][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.737266][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.737414][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.737561][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.737706][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.737887][  T186] RIP: 0033:0x7f0054ad408e
[   10.738040][  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
[   10.738586][  T186] RSP: 002b:00007ffef2ae7020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.738803][  T186] RAX: ffffffffffffffda RBX: 00007ffef2ae77b8 RCX: 00007f0054ad408e
[   10.739017][  T186] RDX: 0000000000000000 RSI: 00007ffef2ae70d0 RDI: 0000000000000005
[   10.739249][  T186] RBP: 00007ffef2ae7030 R08: 0000000000000000 R09: 0000000000000000
[   10.739465][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d088
[   10.739682][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef2ae7790
| [   10.756632][  T186] ------------[ cut here ]------------
| [   10.756829][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   10.757073][  T186] Modules linked in: veth
| [   10.757495][  T186] Tainted: [W]=WARN
[   10.757601][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.757786][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.757980][  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
[   10.758494][  T186] RSP: 0018:ffa00000008d71b0 EFLAGS: 00010286
[   10.758669][  T186] RAX: 00000000ffffffa6 RBX: ff11000008e731c0 RCX: 1ff400000011adfc
[   10.758874][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008e73278
[   10.759103][  T186] RBP: ff11000007549000 R08: 1fe22000011ce650 R09: ff1100000d10d180
[   10.759330][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.759536][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.759744][  T186] FS:  00007f005489a840(0000) GS:ff110000a87b0000(0000) knlGS:0000000000000000
[   10.759989][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.760174][  T186] CR2: 000055fe430cfcf0 CR3: 000000000c60d006 CR4: 0000000000771ef0
[   10.760383][  T186] PKRU: 55555554
[   10.760486][  T186] Call Trace:
[   10.760592][  T186]  <TASK>
[   10.760665][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.760810][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.760919][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.761060][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.761208][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.761354][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.761510][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.761650][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.761791][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.761929][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.762095][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.762262][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.762406][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.762547][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.762685][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.762825][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.762965][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.763104][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.763257][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.763396][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.763533][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.763672][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.763811][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.763948][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.764088][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.764235][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.764375][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.764514][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.764658][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.764801][  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))
[   10.764937][  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))
[   10.765079][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.765229][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.765368][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.765509][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.765649][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.765792][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.765939][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.766079][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.766228][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.766399][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.766542][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.766680][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.766820][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.766969][  T186]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.767111][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.767264][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.767407][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.767547][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.767699][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.767840][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.767978][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.768116][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.768314][  T186] RIP: 0033:0x7f0054ad408e
[   10.768462][  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
[   10.769033][  T186] RSP: 002b:00007ffef2ae7020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.769259][  T186] RAX: ffffffffffffffda RBX: 00007ffef2ae77b8 RCX: 00007f0054ad408e
[   10.769468][  T186] RDX: 0000000000000000 RSI: 00007ffef2ae70d0 RDI: 0000000000000005
[   10.769675][  T186] RBP: 00007ffef2ae7030 R08: 0000000000000000 R09: 0000000000000000
[   10.769882][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d088
[   10.770089][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef2ae7790
| [   10.963864][  T196] ------------[ cut here ]------------
| [   10.964122][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/196
| [   10.964457][  T196] Modules linked in: veth
| [   10.964987][  T196] Tainted: [W]=WARN
[   10.965186][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.965473][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.965786][  T196] 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
[   10.966415][  T196] RSP: 0018:ffa0000000586e30 EFLAGS: 00010286
[   10.966664][  T196] RAX: 00000000ffffffa6 RBX: ff1100000b437700 RCX: 1ff40000000b0d8c
[   10.966933][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b4377b8
[   10.967220][  T196] RBP: ff11000008699000 R08: 1fe2200001686ef8 R09: ff1100000c048b80
[   10.967525][  T196] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.967795][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000980d900
[   10.968077][  T196] FS:  00007fc364304840(0000) GS:ff110000a88b0000(0000) knlGS:0000000000000000
[   10.968518][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.968754][  T196] CR2: 000000000042ebe0 CR3: 000000000c4b7003 CR4: 0000000000771ef0
[   10.969024][  T196] PKRU: 55555554
[   10.969293][  T196] Call Trace:
[   10.969530][  T196]  <TASK>
[   10.969734][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.970010][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.970255][  T196]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.970578][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   10.970788][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   10.970988][  T196]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.971202][  T196]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.971396][  T196]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.971591][  T196]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.971787][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.971984][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.972201][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.972400][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.972593][  T196]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.972789][  T196] veth_newlink (drivers/net/veth.c:1871) veth
[   10.972986][  T196]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.973234][  T196]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.973430][  T196]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.973621][  T196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.973836][  T196]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.974029][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.974250][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.974446][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.974643][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.974839][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.975034][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.975273][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.975481][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.975774][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.976031][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.976336][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.976610][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.976893][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.977113][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.977369][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.977602][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.977803][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.978034][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.978300][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.978577][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.978805][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.979007][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.979276][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.979510][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.979711][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.979908][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.980111][  T196]  ? 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))
[   10.980332][  T196]  ? 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))
[   10.980554][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.980825][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.981035][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.981268][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.981474][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.981738][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.981990][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.982219][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.982421][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.982653][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   10.982919][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   10.983180][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.983488][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.983772][  T196]  ? 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))
[   10.984056][  T196]  __sys_sendmsg (net/socket.c:2784)
[   10.984356][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.984632][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.984839][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.985040][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.985258][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.985463][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.985664][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.985901][  T196] RIP: 0033:0x7fc36453e08e
[   10.986113][  T196] 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
[   10.986803][  T196] RSP: 002b:00007ffc60a04e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.987198][  T196] RAX: ffffffffffffffda RBX: 00007ffc60a05608 RCX: 00007fc36453e08e
[   10.987485][  T196] RDX: 0000000000000000 RSI: 00007ffc60a04f20 RDI: 0000000000000005
[   10.987775][  T196] RBP: 00007ffc60a04e80 R08: 0000000000000000 R09: 0000000000000000
[   10.988046][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d089
[   10.988336][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc60a055e0
| [   10.999574][  T196] ------------[ cut here ]------------
| [   10.999770][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/196
| [   11.000063][  T196] Modules linked in: veth
| [   11.000644][  T196] Tainted: [W]=WARN
[   11.000823][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.001107][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.001369][  T196] 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
[   11.001915][  T196] RSP: 0018:ffa00000005871b0 EFLAGS: 00010286
[   11.002163][  T196] RAX: 00000000ffffffa6 RBX: ff1100000961b700 RCX: 1ff40000000b0dfc
[   11.002423][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000961b7b8
[   11.002684][  T196] RBP: ff11000008561000 R08: 1fe22000012c36f8 R09: ff1100000c048b80
[   11.002949][  T196] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.003231][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.003492][  T196] FS:  00007fc364304840(0000) GS:ff110000a88b0000(0000) knlGS:0000000000000000
[   11.003788][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.004021][  T196] CR2: 000000000042ebe0 CR3: 000000000c4b7003 CR4: 0000000000771ef0
[   11.004303][  T196] PKRU: 55555554
[   11.004459][  T196] Call Trace:
[   11.004615][  T196]  <TASK>
[   11.004739][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.004935][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.005095][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   11.005309][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   11.005507][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.005699][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.005896][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.006089][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.006306][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.006498][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.006691][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.006897][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.007096][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.007311][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.007505][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.007701][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.007892][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.008084][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.008310][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.008508][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.008707][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.008903][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.009095][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.009322][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.009521][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.009713][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.009912][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.010104][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.010320][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.010542][  T196]  ? 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))
[   11.010791][  T196]  ? 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))
[   11.010989][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.011207][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.011400][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.011597][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.011791][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.011988][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.012253][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.012467][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.012659][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.012883][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   11.013182][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   11.013386][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.013580][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.013789][  T196]  ? 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))
[   11.013991][  T196]  __sys_sendmsg (net/socket.c:2784)
[   11.014216][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.014417][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.014615][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.014811][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.015005][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.015221][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.015416][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.015644][  T196] RIP: 0033:0x7fc36453e08e
[   11.015844][  T196] 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
[   11.016426][  T196] RSP: 002b:00007ffc60a04e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.016700][  T196] RAX: ffffffffffffffda RBX: 00007ffc60a05608 RCX: 00007fc36453e08e
[   11.017046][  T196] RDX: 0000000000000000 RSI: 00007ffc60a04f20 RDI: 0000000000000005
[   11.017344][  T196] RBP: 00007ffc60a04e80 R08: 0000000000000000 R09: 0000000000000000
[   11.017642][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d089
[   11.017970][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc60a055e0
| [   11.260740][  T209] ------------[ cut here ]------------
| [   11.260965][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   11.261244][  T209] Modules linked in: veth
| [   11.261986][  T209] Tainted: [W]=WARN
[   11.262098][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.262296][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.262492][  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
[   11.263149][  T209] RSP: 0018:ffa0000000576e30 EFLAGS: 00010286
[   11.263336][  T209] RAX: 00000000ffffffa6 RBX: ff11000005573540 RCX: 1ff40000000aed8c
[   11.263551][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000055735f8
[   11.263770][  T209] RBP: ff1100000c419000 R08: 1fe2200000aae6c0 R09: ff1100000c6f5180
[   11.263989][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.264564][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ad06000
[   11.264785][  T209] FS:  00007f5abdcbc840(0000) GS:ff110000a8930000(0000) knlGS:0000000000000000
[   11.265111][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.265442][  T209] CR2: 000000000042ebe0 CR3: 000000000d1ee005 CR4: 0000000000771ef0
[   11.265707][  T209] PKRU: 55555554
[   11.265872][  T209] Call Trace:
[   11.265991][  T209]  <TASK>
[   11.266084][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.266342][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.266567][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.266741][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.266943][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   11.267187][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.267416][  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)
[   11.267642][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   11.267825][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.267978][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.268145][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.268294][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.268439][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.268586][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.268820][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.269041][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.269262][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.269415][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   11.269586][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.269813][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.269960][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.270103][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.270305][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.270453][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.270601][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.270742][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.270893][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.271051][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.271224][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.271374][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.271520][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.271670][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.271845][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.272023][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.272236][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.272445][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.272661][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.272878][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.273098][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.273339][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.273560][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.273779][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.273993][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.274220][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.274439][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.274657][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.274871][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.275021][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.275184][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.275334][  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))
[   11.275531][  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))
[   11.275691][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.275835][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.275982][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.276142][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.276287][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.276431][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.276576][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.276718][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.276858][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.277033][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   11.277190][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   11.277333][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.277475][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.277627][  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))
[   11.277772][  T209]  __sys_sendmsg (net/socket.c:2784)
[   11.277913][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.278058][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.278208][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.278354][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.278497][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.278645][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.278787][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.278967][  T209] RIP: 0033:0x7f5abdef608e
[   11.279130][  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
[   11.279641][  T209] RSP: 002b:00007ffc94f08420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.279857][  T209] RAX: ffffffffffffffda RBX: 00007ffc94f08bb8 RCX: 00007f5abdef608e
[   11.280087][  T209] RDX: 0000000000000000 RSI: 00007ffc94f084d0 RDI: 0000000000000005
[   11.280317][  T209] RBP: 00007ffc94f08430 R08: 0000000000000000 R09: 0000000000000000
[   11.280558][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d089
[   11.280775][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc94f08b90
| [   11.299790][  T209] ------------[ cut here ]------------
| [   11.299989][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   11.300666][  T209] Modules linked in: veth
| [   11.301098][  T209] Tainted: [W]=WARN
[   11.301218][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.301395][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.301577][  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
[   11.302059][  T209] RSP: 0018:ffa00000005771b0 EFLAGS: 00010286
[   11.302241][  T209] RAX: 00000000ffffffa6 RBX: ff11000008eec040 RCX: 1ff40000000aedfc
[   11.302449][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008eec0f8
[   11.302650][  T209] RBP: ff11000008499000 R08: 1fe22000011dd820 R09: ff1100000c6f5180
[   11.302852][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.303161][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.303416][  T209] FS:  00007f5abdcbc840(0000) GS:ff110000a8930000(0000) knlGS:0000000000000000
[   11.303663][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.303835][  T209] CR2: 000000000042ebe0 CR3: 000000000d1ee005 CR4: 0000000000771ef0
[   11.304043][  T209] PKRU: 55555554
[   11.304159][  T209] Call Trace:
[   11.304262][  T209]  <TASK>
[   11.304335][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.304476][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.304580][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   11.304718][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   11.304878][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.305070][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.305223][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.305362][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.305497][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.305633][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.305769][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.305916][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.306056][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.306210][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.306348][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.306487][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.306623][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.306759][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.306900][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.307049][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.307198][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.307337][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.307475][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.307611][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.307749][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.307882][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.308026][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.308187][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.308325][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.308465][  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))
[   11.308608][  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))
[   11.308749][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.308889][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.309026][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.309174][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.309310][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.309449][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.309589][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.309731][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.309869][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.310039][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   11.310188][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   11.310323][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.310460][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.310612][  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))
[   11.310756][  T209]  __sys_sendmsg (net/socket.c:2784)
[   11.310894][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.311034][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.311183][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.311319][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.311457][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.311593][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.311733][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.311923][  T209] RIP: 0033:0x7f5abdef608e
[   11.312077][  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
[   11.312584][  T209] RSP: 002b:00007ffc94f08420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.312796][  T209] RAX: ffffffffffffffda RBX: 00007ffc94f08bb8 RCX: 00007f5abdef608e
[   11.313002][  T209] RDX: 0000000000000000 RSI: 00007ffc94f084d0 RDI: 0000000000000005
[   11.313219][  T209] RBP: 00007ffc94f08430 R08: 0000000000000000 R09: 0000000000000000
[   11.313426][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d089


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