======================================
| xx__-> [    9.087551][  T185] ------------[ cut here ]------------
| [    9.087775][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [    9.088033][  T185] Modules linked in: veth
| [    9.088511][  T185] Tainted: [W]=WARN
[    9.088619][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.088804][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.088991][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.089506][  T185] RSP: 0018:ffa0000000876e30 EFLAGS: 00010286
[    9.089691][  T185] RAX: 00000000ffffffa6 RBX: ff1100000bbe4900 RCX: 1ff400000010ed8c
[    9.089908][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bbe49b8
[    9.090120][  T185] RBP: ff1100000c094000 R08: 1fe220000177c938 R09: ff1100000ce58b80
[    9.090401][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.090674][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002684400
[    9.090898][  T185] FS:  00007f7c64960840(0000) GS:ff110000a2e30000(0000) knlGS:0000000000000000
[    9.091150][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.091363][  T185] CR2: 000000000042ebe0 CR3: 000000000c0fa001 CR4: 0000000000771ef0
[    9.091578][  T185] PKRU: 55555554
[    9.091685][  T185] Call Trace:
[    9.091844][  T185]  <TASK>
[    9.091922][  T185]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    9.092065][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.092217][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.092329][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.092478][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.092620][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.092766][  T185]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.092907][  T185]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.093047][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.093191][  T185]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[    9.093372][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.093522][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.093665][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.093813][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.093986][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.094128][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.094274][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.094435][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.094577][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.094722][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.094867][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.095010][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.095153][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.095304][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.095450][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.095591][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.095737][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.095889][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.096031][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.096171][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.096320][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.096464][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.096604][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.096749][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.096897][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.097038][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.097178][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.097324][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.097466][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.097611][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.097752][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.097900][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.098041][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.098182][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.098332][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.098477][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.098621][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.098769][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.098911][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.099052][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.099194][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.099342][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.099490][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.099634][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.099783][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.099959][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.100103][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.100244][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.100393][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.100548][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.100690][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.100837][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.100978][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.101123][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.101271][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.101416][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.101559][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.101701][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.101850][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.101994][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.102167][  T185] RIP: 0033:0x7f7c64b9a08e
[    9.102319][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.102827][  T185] RSP: 002b:00007ffe2ffa4b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.103041][  T185] RAX: ffffffffffffffda RBX: 00007ffe2ffa52e8 RCX: 00007f7c64b9a08e
[    9.103249][  T185] RDX: 0000000000000000 RSI: 00007ffe2ffa4c00 RDI: 0000000000000005
[    9.103466][  T185] RBP: 00007ffe2ffa4b60 R08: 0000000000000000 R09: 0000000000000000
[    9.103675][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7d6
[    9.103896][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2ffa52c0
| [    9.113953][  T185] ------------[ cut here ]------------
| [    9.114112][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [    9.114371][  T185] Modules linked in: veth
| [    9.114778][  T185] Tainted: [W]=WARN
[    9.114886][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.115058][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.115238][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.115743][  T185] RSP: 0018:ffa00000008771b0 EFLAGS: 00010286
[    9.115927][  T185] RAX: 00000000ffffffa6 RBX: ff1100000c53b8c0 RCX: 1ff400000010edfc
[    9.116130][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c53b978
[    9.116341][  T185] RBP: ff1100000cf54000 R08: 1fe22000018a7730 R09: ff1100000ce58b80
[    9.116551][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.116768][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.116984][  T185] FS:  00007f7c64960840(0000) GS:ff110000a2e30000(0000) knlGS:0000000000000000
[    9.117225][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.117410][  T185] CR2: 000000000042ebe0 CR3: 000000000c0fa001 CR4: 0000000000771ef0
[    9.117616][  T185] PKRU: 55555554
[    9.117724][  T185] Call Trace:
[    9.117833][  T185]  <TASK>
[    9.117907][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.118048][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.118154][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.118298][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.118441][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.118578][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.118723][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.118869][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.119009][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.119146][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.119290][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.119435][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.119577][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.119821][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.119963][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.120101][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.120237][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.120437][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.120578][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.120716][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.120860][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.121001][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.121138][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.121467][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.121607][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.121744][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.121890][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.122027][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.122167][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.122313][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.122454][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.122595][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.122737][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.122882][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.123022][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.123161][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.123308][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.123453][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.123592][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.123732][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.124002][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.124237][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.124381][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.124669][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.124847][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.124990][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.125128][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.125370][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.125516][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.125654][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.125800][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.126029][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.126167][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.126308][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.126450][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.126715][  T185] RIP: 0033:0x7f7c64b9a08e
[    9.126866][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.127461][  T185] RSP: 002b:00007ffe2ffa4b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.127667][  T185] RAX: ffffffffffffffda RBX: 00007ffe2ffa52e8 RCX: 00007f7c64b9a08e
[    9.127969][  T185] RDX: 0000000000000000 RSI: 00007ffe2ffa4c00 RDI: 0000000000000005
[    9.128175][  T185] RBP: 00007ffe2ffa4b60 R08: 0000000000000000 R09: 0000000000000000
[    9.128385][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7d6
[    9.128681][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2ffa52c0
| [    9.279411][  T191] ------------[ cut here ]------------
| [    9.279645][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [    9.279970][  T191] Modules linked in: veth
| [    9.280500][  T191] Tainted: [W]=WARN
[    9.280663][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.280911][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.281158][  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
[    9.281743][  T191] RSP: 0018:ffa0000000756e30 EFLAGS: 00010286
[    9.281989][  T191] RAX: 00000000ffffffa6 RBX: ff11000008ea2200 RCX: 1ff40000000ead8c
[    9.282252][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008ea22b8
[    9.282541][  T191] RBP: ff1100000cdb4000 R08: 1fe22000011d4458 R09: ff1100000c502e80
[    9.282852][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.283119][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000028cbc00
[    9.283401][  T191] FS:  00007fba95507840(0000) GS:ff110000a2eb0000(0000) knlGS:0000000000000000
[    9.283708][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.283955][  T191] CR2: 000000000042ebe0 CR3: 000000000c6bd002 CR4: 0000000000771ef0
[    9.284219][  T191] PKRU: 55555554
[    9.284392][  T191] Call Trace:
[    9.284556][  T191]  <TASK>
[    9.284682][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.284893][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.285054][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.285330][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.285550][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.285747][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.285956][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[    9.286186][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.286400][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.286638][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.286845][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[    9.287043][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.287297][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.287505][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.287703][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.287927][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.288121][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.288437][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.288633][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.288839][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.289036][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.289231][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.289444][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.289640][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.289850][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.290052][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.290245][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.290462][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.290657][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.290860][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.291055][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.291253][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.291468][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.291664][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.291871][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.292065][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.292464][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.292661][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.292861][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.293056][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.293295][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.293498][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.293698][  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))
[    9.293897][  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))
[    9.294093][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.294302][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.294502][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.294695][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.294902][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.295102][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.295311][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.295513][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.295715][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.295951][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.296151][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.296360][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.303172][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.303419][  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))
[    9.303717][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.303919][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.304119][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.304331][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.307091][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.307303][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.307505][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.307704][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.308153][  T191] RIP: 0033:0x7fba9574108e
[    9.308374][  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
[    9.308968][  T191] RSP: 002b:00007fffbc91b420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.309345][  T191] RAX: ffffffffffffffda RBX: 00007fffbc91bbb8 RCX: 00007fba9574108e
[    9.309729][  T191] RDX: 0000000000000000 RSI: 00007fffbc91b4d0 RDI: 0000000000000005
[    9.318895][  T191] RBP: 00007fffbc91b430 R08: 0000000000000000 R09: 0000000000000000
[    9.319167][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7d6
[    9.319450][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffbc91bb90
| [    9.352484][  T191] ------------[ cut here ]------------
| [    9.352728][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [    9.353037][  T191] Modules linked in: veth
| [    9.353806][  T191] Tainted: [W]=WARN
[    9.353960][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.354183][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.354433][  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
[    9.354979][  T191] RSP: 0018:ffa00000007571b0 EFLAGS: 00010286
[    9.355205][  T191] RAX: 00000000ffffffa6 RBX: ff1100000c6223c0 RCX: 1ff40000000eadfc
[    9.355480][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c622478
[    9.355740][  T191] RBP: ff11000001db4000 R08: 1fe22000018c4490 R09: ff1100000c502e80
[    9.356178][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.356457][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.356722][  T191] FS:  00007fba95507840(0000) GS:ff110000a2eb0000(0000) knlGS:0000000000000000
[    9.357049][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.357287][  T191] CR2: 000000000042ebe0 CR3: 000000000c6bd002 CR4: 0000000000771ef0
[    9.357553][  T191] PKRU: 55555554
[    9.357708][  T191] Call Trace:
[    9.357903][  T191]  <TASK>
[    9.358026][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.358221][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.358391][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.358587][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.358784][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.358977][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.359168][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.359376][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.359575][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.359772][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.359962][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.360158][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.360367][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.360564][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.360754][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.360955][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.361142][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.361343][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.361547][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.361738][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.361954][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.362150][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.362351][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.362542][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.362731][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.362927][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.363121][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.363328][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.363526][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.363717][  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))
[    9.363923][  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))
[    9.364114][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.364317][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.364511][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.364702][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.364900][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.365089][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.365301][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.365501][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.365688][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.365916][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.366110][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.366311][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.366506][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.366725][  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))
[    9.366940][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.367130][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.367336][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.367552][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.367745][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.367946][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.368137][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.368342][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.368573][  T191] RIP: 0033:0x7fba9574108e
[    9.368786][  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
[    9.369338][  T191] RSP: 002b:00007fffbc91b420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.369604][  T191] RAX: ffffffffffffffda RBX: 00007fffbc91bbb8 RCX: 00007fba9574108e
[    9.369874][  T191] RDX: 0000000000000000 RSI: 00007fffbc91b4d0 RDI: 0000000000000005
[    9.370128][  T191] RBP: 00007fffbc91b430 R08: 0000000000000000 R09: 0000000000000000
[    9.370398][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7d6
[    9.370654][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffbc91bb90
| [    9.565787][  T199] ------------[ cut here ]------------
| [    9.566024][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/199
| [    9.566350][  T199] Modules linked in: veth
| [    9.566874][  T199] Tainted: [W]=WARN
[    9.567034][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.567277][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.567528][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.568095][  T199] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[    9.568345][  T199] RAX: 00000000ffffffa6 RBX: ff1100000bbe58c0 RCX: 1ff4000000112d8c
[    9.568617][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bbe5978
[    9.568892][  T199] RBP: ff11000007541000 R08: 1fe220000177cb30 R09: ff1100000cf32e80
[    9.569157][  T199] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.569442][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cc70400
[    9.569716][  T199] FS:  00007fd9049c9840(0000) GS:ff110000a2eb0000(0000) knlGS:0000000000000000
[    9.570029][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.570276][  T199] CR2: 000055814eaa7d5c CR3: 000000000ce45004 CR4: 0000000000771ef0
[    9.570551][  T199] PKRU: 55555554
[    9.570711][  T199] Call Trace:
[    9.570879][  T199]  <TASK>
[    9.571006][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.571207][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.571423][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.571586][  T199]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.571794][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.571991][  T199]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.572187][  T199]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.572398][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.572595][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.572802][  T199]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.573000][  T199]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.573200][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.573418][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.573616][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.573820][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.574014][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.574213][  T199]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.574431][  T199] veth_newlink (drivers/net/veth.c:1871) veth
[    9.574631][  T199]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.574867][  T199]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.575064][  T199]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.575276][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.575496][  T199]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.575693][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.575910][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.576107][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.576320][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.576528][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.576726][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.576932][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.577130][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.577349][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.577560][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.577773][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.577968][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.578166][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.578375][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.578578][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.578786][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.578983][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.579180][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.579393][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.579593][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.579795][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.579994][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.580189][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.580405][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.580602][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.580809][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.581060][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.581275][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.581484][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.581686][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.581896][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.582097][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.582313][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.582525][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.582729][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.582939][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.583138][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.583385][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.583595][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.583799][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.584000][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.584206][  T199]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.584428][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.584632][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.584842][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.585041][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.585240][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.585458][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.585661][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.585870][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.586101][  T199] RIP: 0033:0x7fd904c0308e
[    9.586317][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.586897][  T199] RSP: 002b:00007ffef153e400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.587168][  T199] RAX: ffffffffffffffda RBX: 00007ffef153eb98 RCX: 00007fd904c0308e
[    9.587454][  T199] RDX: 0000000000000000 RSI: 00007ffef153e4b0 RDI: 0000000000000005
[    9.587740][  T199] RBP: 00007ffef153e410 R08: 0000000000000000 R09: 0000000000000000
[    9.588018][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7d6
[    9.588299][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef153eb70
| [    9.597220][  T199] ------------[ cut here ]------------
| [    9.597975][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/199
| [    9.598345][  T199] Modules linked in: veth
| [    9.598988][  T199] Tainted: [W]=WARN
[    9.599206][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.599514][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.599822][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.600452][  T199] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[    9.600746][  T199] RAX: 00000000ffffffa6 RBX: ff11000008e7cc80 RCX: 1ff4000000112dfc
[    9.601075][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008e7cd38
[    9.601417][  T199] RBP: ff1100000c091000 R08: 1fe22000011cf9a8 R09: ff1100000cf32e80
[    9.601736][  T199] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.602069][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.602415][  T199] FS:  00007fd9049c9840(0000) GS:ff110000a2eb0000(0000) knlGS:0000000000000000
[    9.602784][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.603073][  T199] CR2: 000055814eaa7d5c CR3: 000000000ce45004 CR4: 0000000000771ef0
[    9.603415][  T199] PKRU: 55555554
[    9.603637][  T199] Call Trace:
[    9.603859][  T199]  <TASK>
[    9.604043][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.604310][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.604534][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.604797][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.605047][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.605312][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.605574][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.605837][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.606097][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.606361][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.606623][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.606893][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.607150][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.607425][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.607677][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.607942][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.608190][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.608467][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.608724][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.608981][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.609231][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.609504][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.609768][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.610023][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.610239][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.610450][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.610648][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.610845][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.611039][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.611236][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.611454][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.611652][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.611878][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.612073][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.612281][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.612487][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.612681][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.612885][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.613081][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.613287][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.613518][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.613715][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.613916][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.614107][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.614324][  T199]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.614548][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.614744][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.614947][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.615140][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.615349][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.615545][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.615736][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.615942][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.616171][  T199] RIP: 0033:0x7fd904c0308e
[    9.616386][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.616944][  T199] RSP: 002b:00007ffef153e400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.617209][  T199] RAX: ffffffffffffffda RBX: 00007ffef153eb98 RCX: 00007fd904c0308e
[    9.617489][  T199] RDX: 0000000000000000 RSI: 00007ffef153e4b0 RDI: 0000000000000005
[    9.617746][  T199] RBP: 00007ffef153e410 R08: 0000000000000000 R09: 0000000000000000
[    9.618013][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7d6


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