======================================
| xx__-> [    9.033757][  T185] ------------[ cut here ]------------
| [    9.033972][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.034228][  T185] Modules linked in: veth
| [    9.034784][  T185] Tainted: [W]=WARN
[    9.034991][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.035174][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.035368][  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
[    9.035951][  T185] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[    9.036135][  T185] RAX: 00000000ffffffa6 RBX: ff1100000c44a900 RCX: 1ff4000000112d8c
[    9.036354][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c44a9b8
[    9.036757][  T185] RBP: ff11000008ef4000 R08: 1fe2200001889538 R09: ff1100000caa0b80
[    9.036972][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.037185][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009a1e380
[    9.037407][  T185] FS:  00007f0a5a53e840(0000) GS:ff11000093db0000(0000) knlGS:0000000000000000
[    9.037666][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.037849][  T185] CR2: 000000000042ebe0 CR3: 000000000b749006 CR4: 0000000000771ef0
[    9.038066][  T185] PKRU: 55555554
[    9.038183][  T185] Call Trace:
[    9.038297][  T185]  <TASK>
[    9.038373][  T185]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    9.038521][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.038671][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.038779][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.038923][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.039177][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.039327][  T185]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.039472][  T185]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.039616][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.039757][  T185]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[    9.040028][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.040175][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.040421][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.040577][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.040752][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.040896][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.041038][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.041197][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.041348][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.041497][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.041646][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.041792][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.041935][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.042174][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.042325][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.042470][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.042718][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.042959][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.043200][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.043349][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.043494][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.043737][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.043878][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.044117][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.044262][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.044408][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.044554][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.044701][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.044937][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.045081][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.045224][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.045471][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.045619][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.045762][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.045913][  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))
[    9.046055][  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))
[    9.046201][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.046353][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.046497][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.046646][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.046791][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.046936][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.047081][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.047227][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.047470][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.047650][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.047798][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.048035][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.048179][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.048344][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.048488][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.048636][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.048778][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.049048][  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)
[    9.049196][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.049350][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.049496][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.049644][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.049788][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.049929][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.050104][  T185] RIP: 0033:0x7f0a5a77808e
[    9.050358][  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
[    9.050872][  T185] RSP: 002b:00007ffdb78cd010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.051084][  T185] RAX: ffffffffffffffda RBX: 00007ffdb78cd7a8 RCX: 00007f0a5a77808e
[    9.051302][  T185] RDX: 0000000000000000 RSI: 00007ffdb78cd0c0 RDI: 0000000000000005
[    9.051621][  T185] RBP: 00007ffdb78cd020 R08: 0000000000000000 R09: 0000000000000000
[    9.051932][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8fd
[    9.052238][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb78cd780
| [    9.062120][  T185] ------------[ cut here ]------------
| [    9.062299][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.062542][  T185] Modules linked in: veth
| [    9.062976][  T185] Tainted: [W]=WARN
[    9.063080][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.063254][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.063443][  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
[    9.064002][  T185] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[    9.064181][  T185] RAX: 00000000ffffffa6 RBX: ff1100000560a200 RCX: 1ff4000000112dfc
[    9.064392][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000560a2b8
[    9.064659][  T185] RBP: ff110000052e9000 R08: 1fe2200000ac1458 R09: ff1100000caa0b80
[    9.064924][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.065149][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.065365][  T185] FS:  00007f0a5a53e840(0000) GS:ff11000093db0000(0000) knlGS:0000000000000000
[    9.065613][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.065787][  T185] CR2: 000000000042ebe0 CR3: 000000000b749006 CR4: 0000000000771ef0
[    9.065991][  T185] PKRU: 55555554
[    9.066097][  T185] Call Trace:
[    9.066203][  T185]  <TASK>
[    9.066274][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.066421][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.066531][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.066675][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.066813][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.066949][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.067091][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.067230][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.067372][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.067512][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.067654][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.067799][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.067942][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.068079][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.068218][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.068362][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.068503][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.068643][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.068785][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.068925][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.069061][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.069201][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.069343][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.069481][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.069626][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.069765][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.069905][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.070042][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.070181][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.070329][  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))
[    9.070469][  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))
[    9.070612][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.070752][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.070890][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.071027][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.071168][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.071312][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.071459][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.071605][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.071744][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.071917][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.072061][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.072201][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.072346][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.072500][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.072644][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.072781][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.072917][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.073059][  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)
[    9.073199][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.073344][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.073487][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.073632][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.073770][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.073909][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.074079][  T185] RIP: 0033:0x7f0a5a77808e
[    9.074226][  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
[    9.074730][  T185] RSP: 002b:00007ffdb78cd010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.074938][  T185] RAX: ffffffffffffffda RBX: 00007ffdb78cd7a8 RCX: 00007f0a5a77808e
[    9.075143][  T185] RDX: 0000000000000000 RSI: 00007ffdb78cd0c0 RDI: 0000000000000005
[    9.075355][  T185] RBP: 00007ffdb78cd020 R08: 0000000000000000 R09: 0000000000000000
[    9.075570][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8fd
[    9.075779][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb78cd780
| [    9.198630][  T190] ------------[ cut here ]------------
| [    9.198858][  T190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/190
| [    9.199158][  T190] Modules linked in: veth
| [    9.200378][  T190] Tainted: [W]=WARN
[    9.200563][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.200804][  T190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.201042][  T190] 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
[    9.201644][  T190] RSP: 0018:ffa0000000766e30 EFLAGS: 00010286
[    9.201875][  T190] RAX: 00000000ffffffa6 RBX: ff11000005d44200 RCX: 1ff40000000ecd8c
[    9.202140][  T190] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d442b8
[    9.202414][  T190] RBP: ff1100000a19c000 R08: 1fe2200000ba8858 R09: ff1100000c742e80
[    9.202697][  T190] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.203012][  T190] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b46a700
[    9.203282][  T190] FS:  00007fcd6a497840(0000) GS:ff11000093eb0000(0000) knlGS:0000000000000000
[    9.203607][  T190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.203869][  T190] CR2: 000000000042ebe0 CR3: 000000000c627005 CR4: 0000000000771ef0
[    9.204137][  T190] PKRU: 55555554
[    9.204304][  T190] Call Trace:
[    9.204463][  T190]  <TASK>
[    9.204612][  T190]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.204808][  T190]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.204965][  T190]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.205195][  T190]  __dev_notify_flags (net/core/dev.c:9787)
[    9.205410][  T190]  ? netif_change_name (net/core/dev.c:1495)
[    9.205617][  T190]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.205812][  T190]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.206003][  T190]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.206201][  T190]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.206409][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.206618][  T190]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.206821][  T190]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.207012][  T190]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.207236][  T190]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.207455][  T190] veth_newlink (drivers/net/veth.c:1871) veth
[    9.207695][  T190]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.207930][  T190]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.208133][  T190]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.208336][  T190]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.208557][  T190]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.208763][  T190]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.208957][  T190]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.209152][  T190]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.209353][  T190]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.209552][  T190]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.209785][  T190]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.209978][  T190]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.210172][  T190]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.210379][  T190]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.210602][  T190]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.210798][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.210986][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.211212][  T190]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.211411][  T190]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.211620][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.211830][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.212025][  T190]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.212223][  T190]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.212429][  T190]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.212644][  T190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.212841][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.213035][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.213224][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.213432][  T190]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.213640][  T190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.213835][  T190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.214035][  T190]  ? 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))
[    9.214224][  T190]  ? 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))
[    9.214426][  T190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.214640][  T190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.214832][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.215025][  T190]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.215221][  T190]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.215427][  T190]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.215640][  T190]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.215832][  T190]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.216022][  T190]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.216264][  T190]  ? move_addr_to_kernel (net/socket.c:258)
[    9.216480][  T190]  ___sys_sendmsg (net/socket.c:2752)
[    9.216691][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.216883][  T190]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.217084][  T190]  ? 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))
[    9.217280][  T190]  __sys_sendmsg (net/socket.c:2784)
[    9.217485][  T190]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.217691][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.217887][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.218081][  T190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.218274][  T190]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.218484][  T190]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.218688][  T190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.218913][  T190] RIP: 0033:0x7fcd6a6d108e
[    9.219116][  T190] 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
[    9.219700][  T190] RSP: 002b:00007ffc09d18670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.219963][  T190] RAX: ffffffffffffffda RBX: 00007ffc09d18e08 RCX: 00007fcd6a6d108e
[    9.220334][  T190] RDX: 0000000000000000 RSI: 00007ffc09d18720 RDI: 0000000000000005
[    9.220611][  T190] RBP: 00007ffc09d18680 R08: 0000000000000000 R09: 0000000000000000
[    9.220870][  T190] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8fd
[    9.221241][  T190] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc09d18de0
| [    9.231913][  T190] ------------[ cut here ]------------
| [    9.232119][  T190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/190
| [    9.232415][  T190] Modules linked in: veth
| [    9.232930][  T190] Tainted: [W]=WARN
[    9.233086][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.233314][  T190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.233553][  T190] 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
[    9.234173][  T190] RSP: 0018:ffa00000007671b0 EFLAGS: 00010286
[    9.234470][  T190] RAX: 00000000ffffffa6 RBX: ff11000009511700 RCX: 1ff40000000ecdfc
[    9.234805][  T190] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095117b8
[    9.235170][  T190] RBP: ff11000007fa1000 R08: 1fe22000012a22f8 R09: ff1100000c742e80
[    9.235545][  T190] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.235909][  T190] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.236325][  T190] FS:  00007fcd6a497840(0000) GS:ff11000093eb0000(0000) knlGS:0000000000000000
[    9.236628][  T190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.236850][  T190] CR2: 000000000042ebe0 CR3: 000000000c627005 CR4: 0000000000771ef0
[    9.237106][  T190] PKRU: 55555554
[    9.237262][  T190] Call Trace:
[    9.237454][  T190]  <TASK>
[    9.237598][  T190]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.237788][  T190]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.237942][  T190]  __dev_notify_flags (net/core/dev.c:9787)
[    9.238133][  T190]  ? netif_change_name (net/core/dev.c:1495)
[    9.238334][  T190]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.238528][  T190]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.238728][  T190]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.238919][  T190]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.239125][  T190]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.239320][  T190]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.239514][  T190]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.239721][  T190]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.239949][  T190]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.240138][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.240332][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.240528][  T190]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.240725][  T190]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.240911][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.241101][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.241300][  T190]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.241492][  T190]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.241690][  T190]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.241874][  T190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.242059][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.242247][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.242467][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.242676][  T190]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.242865][  T190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.243053][  T190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.243257][  T190]  ? 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))
[    9.243456][  T190]  ? 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))
[    9.243661][  T190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.243850][  T190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.244043][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.244238][  T190]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.244451][  T190]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.244656][  T190]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.244847][  T190]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.245035][  T190]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.245222][  T190]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.245469][  T190]  ? move_addr_to_kernel (net/socket.c:258)
[    9.245677][  T190]  ___sys_sendmsg (net/socket.c:2752)
[    9.245863][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.246054][  T190]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.246249][  T190]  ? 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))
[    9.246450][  T190]  __sys_sendmsg (net/socket.c:2784)
[    9.246651][  T190]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.246840][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.247026][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.247213][  T190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.247407][  T190]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.247614][  T190]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.247802][  T190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.248020][  T190] RIP: 0033:0x7fcd6a6d108e
[    9.248210][  T190] 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
[    9.248769][  T190] RSP: 002b:00007ffc09d18670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.249023][  T190] RAX: ffffffffffffffda RBX: 00007ffc09d18e08 RCX: 00007fcd6a6d108e
[    9.249274][  T190] RDX: 0000000000000000 RSI: 00007ffc09d18720 RDI: 0000000000000005
[    9.249555][  T190] RBP: 00007ffc09d18680 R08: 0000000000000000 R09: 0000000000000000
[    9.249827][  T190] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8fd


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