======================================
| xx__-> [   10.784404][  T186] ------------[ cut here ]------------
| [   10.784656][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   10.784969][  T186] Modules linked in: veth
| [   10.785471][  T186] Tainted: [W]=WARN
[   10.785588][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.785767][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.785973][  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
[   10.786490][  T186] RSP: 0018:ffa00000008e6e30 EFLAGS: 00010286
[   10.786677][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b393e00 RCX: 1ff400000011cd8c
[   10.786962][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b393eb8
[   10.787186][  T186] RBP: ff110000051a9000 R08: 1fe22000016727d8 R09: ff1100000c3a2e80
[   10.787404][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.787630][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b0e7c00
[   10.787919][  T186] FS:  00007f7c37d80840(0000) GS:ff1100008f3b0000(0000) knlGS:0000000000000000
[   10.788181][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.788365][  T186] CR2: 000055e6a1f37260 CR3: 000000000c503003 CR4: 0000000000771ef0
[   10.788586][  T186] PKRU: 55555554
[   10.788697][  T186] Call Trace:
[   10.788871][  T186]  <TASK>
[   10.788951][  T186]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   10.789102][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.789258][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.789368][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.789520][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.789662][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.789872][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.790016][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.790161][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.790304][  T186]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   10.790487][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.790636][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.790849][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.790996][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.791183][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.791340][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.791496][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.791658][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.791873][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.792023][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.792165][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.792310][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.792472][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.792623][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.792767][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.792974][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.793121][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.793267][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.793410][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.793559][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.793703][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.793910][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.794050][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.794203][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.794346][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.794493][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.794636][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.794813][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.794957][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.795102][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.795249][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.795394][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.795540][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.795684][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.795842][  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))
[   10.795992][  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))
[   10.796137][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.796280][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.796423][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.796574][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.796722][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.796872][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.797058][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.797201][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.797345][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.797525][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.797670][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.797817][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.797957][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.798119][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.798263][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.798407][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.798553][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.798700][  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)
[   10.798852][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.798998][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.799144][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.799289][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.799433][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.799579][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.799761][  T186] RIP: 0033:0x7f7c37fba08e
[   10.799918][  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
[   10.800430][  T186] RSP: 002b:00007fff67dc60c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.800654][  T186] RAX: ffffffffffffffda RBX: 00007fff67dc6858 RCX: 00007f7c37fba08e
[   10.800876][  T186] RDX: 0000000000000000 RSI: 00007fff67dc6170 RDI: 0000000000000005
[   10.801088][  T186] RBP: 00007fff67dc60d0 R08: 0000000000000000 R09: 0000000000000000
[   10.801308][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c872
[   10.801526][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff67dc6830
| [   10.818395][  T186] ------------[ cut here ]------------
| [   10.818587][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   10.818843][  T186] Modules linked in: veth
| [   10.819355][  T186] Tainted: [W]=WARN
[   10.819472][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.819667][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.819867][  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
[   10.820499][  T186] RSP: 0018:ffa00000008e71b0 EFLAGS: 00010286
[   10.820716][  T186] RAX: 00000000ffffffa6 RBX: ff11000001f03000 RCX: 1ff400000011cdfc
[   10.820939][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f030b8
[   10.821178][  T186] RBP: ff11000007ec4000 R08: 1fe22000003e0618 R09: ff1100000c3a2e80
[   10.821422][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.821667][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.821913][  T186] FS:  00007f7c37d80840(0000) GS:ff1100008f3b0000(0000) knlGS:0000000000000000
[   10.822206][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.822428][  T186] CR2: 000055e6a1f37260 CR3: 000000000c503003 CR4: 0000000000771ef0
[   10.822666][  T186] PKRU: 55555554
[   10.822818][  T186] Call Trace:
[   10.822960][  T186]  <TASK>
[   10.823064][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.823239][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.823380][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.823544][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.823717][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.823874][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.824038][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.824205][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.824375][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.824550][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.824718][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.824902][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.825072][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.825222][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.825366][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.825517][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.825656][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.825804][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.825946][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.826089][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.826258][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.826398][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.826540][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.826676][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.826853][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.827028][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.827174][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.827314][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.827474][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.827654][  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))
[   10.827838][  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))
[   10.828009][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.828151][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.828300][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.828440][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.828608][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.828793][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.828961][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.829119][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.829263][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.829444][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.829601][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.829782][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.829949][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.830127][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.830306][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.830451][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.830594][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.830735][  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)
[   10.830895][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.831061][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.831200][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.831342][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.831490][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.831634][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.831812][  T186] RIP: 0033:0x7f7c37fba08e
[   10.831959][  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
[   10.832473][  T186] RSP: 002b:00007fff67dc60c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.832721][  T186] RAX: ffffffffffffffda RBX: 00007fff67dc6858 RCX: 00007f7c37fba08e
[   10.832942][  T186] RDX: 0000000000000000 RSI: 00007fff67dc6170 RDI: 0000000000000005
[   10.833152][  T186] RBP: 00007fff67dc60d0 R08: 0000000000000000 R09: 0000000000000000
[   10.833364][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c872
[   10.833574][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff67dc6830
| [   10.978392][  T191] ------------[ cut here ]------------
| [   10.978714][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [   10.979272][  T191] Modules linked in: veth
| [   10.980093][  T191] Tainted: [W]=WARN
[   10.980325][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.980698][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.981074][  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
[   10.982045][  T191] RSP: 0018:ffa00000008e6e30 EFLAGS: 00010286
[   10.982407][  T191] RAX: 00000000ffffffa6 RBX: ff11000004bd4ac0 RCX: 1ff400000011cd8c
[   10.982859][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004bd4b78
[   10.983265][  T191] RBP: ff11000008c79000 R08: 1fe220000097a970 R09: ff1100000c772e80
[   10.983682][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.984117][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000053d0e80
[   10.984543][  T191] FS:  00007f11d7ad9840(0000) GS:ff1100008f4b0000(0000) knlGS:0000000000000000
[   10.985018][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.985398][  T191] CR2: 00007f11d7e40f6d CR3: 000000000c649004 CR4: 0000000000771ef0
[   10.985810][  T191] PKRU: 55555554
[   10.986040][  T191] Call Trace:
[   10.986261][  T191]  <TASK>
[   10.986453][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.986761][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.987007][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.987340][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   10.987659][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   10.987959][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.988256][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.988559][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.988869][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.989152][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.989448][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.989753][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.990052][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.990336][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.990637][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[   10.990923][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.991237][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.991527][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.991817][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.992131][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.992411][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.992906][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.993210][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.993501][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.993801][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.994080][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.994359][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.994670][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.994987][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.995277][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.995594][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.995891][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.996177][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.996455][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.996745][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.997051][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.997333][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.997621][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.997911][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.998186][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.998463][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.998796][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.999078][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.999377][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.999665][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.999964][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.000257][  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))
[   11.000552][  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))
[   11.000870][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.001177][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.001494][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.001827][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.002115][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.002403][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.002699][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.003002][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.003281][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.003633][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   11.003948][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   11.004226][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.004518][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.004846][  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))
[   11.005132][  T191]  __sys_sendmsg (net/socket.c:2784)
[   11.005415][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.005715][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.006025][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.006317][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.006638][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.007065][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.007465][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.007889][  T191] RIP: 0033:0x7f11d7d1308e
[   11.008198][  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
[   11.009083][  T191] RSP: 002b:00007fffa5c44a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.009497][  T191] RAX: ffffffffffffffda RBX: 00007fffa5c45218 RCX: 00007f11d7d1308e
[   11.009898][  T191] RDX: 0000000000000000 RSI: 00007fffa5c44b30 RDI: 0000000000000005
[   11.010291][  T191] RBP: 00007fffa5c44a90 R08: 0000000000000000 R09: 0000000000000000
[   11.010688][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c873
[   11.011083][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa5c451f0
| [   11.028810][  T191] ------------[ cut here ]------------
| [   11.029184][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [   11.029644][  T191] Modules linked in: veth
| [   11.030458][  T191] Tainted: [W]=WARN
[   11.030681][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.031938][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.032333][  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
[   11.033238][  T191] RSP: 0018:ffa00000008e71b0 EFLAGS: 00010286
[   11.033596][  T191] RAX: 00000000ffffffa6 RBX: ff1100000b006040 RCX: 1ff400000011cdfc
[   11.033996][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0060f8
[   11.034400][  T191] RBP: ff11000009e1c000 R08: 1fe2200001600c20 R09: ff1100000c772e80
[   11.034807][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.035182][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.035605][  T191] FS:  00007f11d7ad9840(0000) GS:ff1100008f4b0000(0000) knlGS:0000000000000000
[   11.036067][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.036397][  T191] CR2: 00007f11d7e40f6d CR3: 000000000c649004 CR4: 0000000000771ef0
[   11.036798][  T191] PKRU: 55555554
[   11.037019][  T191] Call Trace:
[   11.037239][  T191]  <TASK>
[   11.037408][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.037708][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.037947][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   11.038220][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   11.038515][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.038799][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.039077][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.039351][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.039643][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.039933][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.040206][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.040496][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.040798][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.041074][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.041344][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.041621][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.041922][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.042189][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.042464][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.042746][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.043051][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.043326][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.043602][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.043894][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.044202][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.044473][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.044764][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.045057][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.045348][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.045640][  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))
[   11.045930][  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))
[   11.046201][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.046475][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.046750][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.047033][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.047305][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.047585][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.047875][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.048141][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.048409][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.048731][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   11.049044][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   11.049313][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.049594][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.049923][  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))
[   11.050210][  T191]  __sys_sendmsg (net/socket.c:2784)
[   11.050500][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.050794][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.051067][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.051342][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.051618][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.051906][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.052169][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.052495][  T191] RIP: 0033:0x7f11d7d1308e
[   11.052807][  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
[   11.053651][  T191] RSP: 002b:00007fffa5c44a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.054108][  T191] RAX: ffffffffffffffda RBX: 00007fffa5c45218 RCX: 00007f11d7d1308e
[   11.054532][  T191] RDX: 0000000000000000 RSI: 00007fffa5c44b30 RDI: 0000000000000005
[   11.054971][  T191] RBP: 00007fffa5c44a90 R08: 0000000000000000 R09: 0000000000000000
[   11.055370][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c873
[   11.055772][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa5c451f0
| [   11.351504][  T207] ------------[ cut here ]------------
| [   11.351719][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [   11.351990][  T207] Modules linked in: veth
| [   11.352521][  T207] Tainted: [W]=WARN
[   11.352631][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.352822][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.353030][  T207] 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
[   11.353588][  T207] RSP: 0018:ffa0000000656e30 EFLAGS: 00010286
[   11.353851][  T207] RAX: 00000000ffffffa6 RBX: ff1100000b393700 RCX: 1ff40000000cad8c
[   11.354066][  T207] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3937b8
[   11.354284][  T207] RBP: ff1100000c0c1000 R08: 1fe22000016726f8 R09: ff11000009ac8b80
[   11.354499][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.354719][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000053d0080
[   11.354968][  T207] FS:  00007fc2ae0f6840(0000) GS:ff1100008f3b0000(0000) knlGS:0000000000000000
[   11.355213][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.355391][  T207] CR2: 000000000049f000 CR3: 0000000004def003 CR4: 0000000000771ef0
[   11.355616][  T207] PKRU: 55555554
[   11.355723][  T207] Call Trace:
[   11.355845][  T207]  <TASK>
[   11.355923][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.356076][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.356224][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.356331][  T207]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.356476][  T207]  __dev_notify_flags (net/core/dev.c:9787)
[   11.356627][  T207]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.356770][  T207]  ? 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)
[   11.356924][  T207]  ? netif_change_name (net/core/dev.c:1495)
[   11.357065][  T207]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.357205][  T207]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.357350][  T207]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.357497][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.357638][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.357790][  T207]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.357944][  T207]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.358344][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.358501][  T207]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.358652][  T207] veth_newlink (drivers/net/veth.c:1871) veth
[   11.358809][  T207]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.358989][  T207]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.359139][  T207]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.359284][  T207]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.359443][  T207]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.359611][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.359767][  T207]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.359917][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.360063][  T207]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.360207][  T207]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.360352][  T207]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.360497][  T207]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.360639][  T207]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.360823][  T207]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.360969][  T207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.361114][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.361260][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.361402][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.361550][  T207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.361691][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.361850][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.361994][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.362141][  T207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.362323][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.362471][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.362619][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.362767][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.362933][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.363100][  T207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.363275][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.363426][  T207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.363616][  T207]  ? 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))
[   11.363799][  T207]  ? 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))
[   11.363979][  T207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.364149][  T207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.364295][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.364444][  T207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.364590][  T207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.364736][  T207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.364915][  T207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.365097][  T207]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.365276][  T207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.365462][  T207]  ? move_addr_to_kernel (net/socket.c:258)
[   11.365620][  T207]  ___sys_sendmsg (net/socket.c:2752)
[   11.365772][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.365937][  T207]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.366122][  T207]  ? 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))
[   11.366268][  T207]  __sys_sendmsg (net/socket.c:2784)
[   11.366408][  T207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.366558][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.366702][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.366850][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.366993][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.367134][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.367281][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.367462][  T207] RIP: 0033:0x7fc2ae33008e
[   11.367616][  T207] 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
[   11.368143][  T207] RSP: 002b:00007ffe92896c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.368373][  T207] RAX: ffffffffffffffda RBX: 00007ffe92897408 RCX: 00007fc2ae33008e
[   11.368601][  T207] RDX: 0000000000000000 RSI: 00007ffe92896d20 RDI: 0000000000000005
[   11.368823][  T207] RBP: 00007ffe92896c80 R08: 0000000000000000 R09: 0000000000000000
[   11.369042][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c873
[   11.369257][  T207] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe928973e0
| [   11.400935][  T207] ------------[ cut here ]------------
| [   11.401186][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [   11.401565][  T207] Modules linked in: veth
| [   11.402260][  T207] Tainted: [W]=WARN
[   11.402425][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.402693][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.403082][  T207] 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
[   11.403983][  T207] RSP: 0018:ffa00000006571b0 EFLAGS: 00010286
[   11.404275][  T207] RAX: 00000000ffffffa6 RBX: ff1100000b0063c0 RCX: 1ff40000000cadfc
[   11.404641][  T207] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b006478
[   11.405081][  T207] RBP: ff1100000c0c4000 R08: 1fe2200001600c90 R09: ff11000009ac8b80
[   11.405397][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.405723][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.406224][  T207] FS:  00007fc2ae0f6840(0000) GS:ff1100008f530000(0000) knlGS:0000000000000000
[   11.406625][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.407089][  T207] CR2: 000055e6a203b618 CR3: 0000000004def006 CR4: 0000000000771ef0
[   11.407427][  T207] PKRU: 55555554
[   11.407597][  T207] Call Trace:
[   11.407765][  T207]  <TASK>
[   11.408028][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.408253][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.408418][  T207]  __dev_notify_flags (net/core/dev.c:9787)
[   11.408645][  T207]  ? netif_change_name (net/core/dev.c:1495)
[   11.408965][  T207]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.409182][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.409411][  T207]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.409642][  T207]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.409873][  T207]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.410099][  T207]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.410321][  T207]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.410562][  T207]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.410795][  T207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.411012][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.411232][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.411453][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.411669][  T207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.411896][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.412126][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.412352][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.412580][  T207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.412811][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.413032][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.413251][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.413466][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.413685][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.413910][  T207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.414141][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.414369][  T207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.414602][  T207]  ? 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))
[   11.414832][  T207]  ? 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))
[   11.415065][  T207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.415290][  T207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.415525][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.415750][  T207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.415970][  T207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.416186][  T207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.416405][  T207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.416623][  T207]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.416849][  T207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.417125][  T207]  ? move_addr_to_kernel (net/socket.c:258)
[   11.417357][  T207]  ___sys_sendmsg (net/socket.c:2752)
[   11.417583][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.417813][  T207]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.418047][  T207]  ? 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))
[   11.418263][  T207]  __sys_sendmsg (net/socket.c:2784)
[   11.418479][  T207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.418705][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.418928][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.419117][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.419310][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.419509][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.419728][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.420010][  T207] RIP: 0033:0x7fc2ae33008e
[   11.420246][  T207] 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
[   11.421007][  T207] RSP: 002b:00007ffe92896c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.421306][  T207] RAX: ffffffffffffffda RBX: 00007ffe92897408 RCX: 00007fc2ae33008e
[   11.421613][  T207] RDX: 0000000000000000 RSI: 00007ffe92896d20 RDI: 0000000000000005
[   11.421932][  T207] RBP: 00007ffe92896c80 R08: 0000000000000000 R09: 0000000000000000
[   11.422235][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c873


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