======================================
| xx__-> [    9.293668][  T185] ------------[ cut here ]------------
| [    9.293933][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [    9.294199][  T185] Modules linked in: veth
| [    9.294682][  T185] Tainted: [W]=WARN
[    9.294790][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.295070][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.295292][  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
[    9.296014][  T185] RSP: 0018:ffa0000000786e30 EFLAGS: 00010286
[    9.296201][  T185] RAX: 00000000ffffffa6 RBX: ff1100000b63c040 RCX: 1ff40000000f0d8c
[    9.296420][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b63c0f8
[    9.296635][  T185] RBP: ff1100000ca51000 R08: 1fe22000016c7820 R09: ff1100000d97ae80
[    9.296847][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.297060][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b7c2700
[    9.297348][  T185] FS:  00007f8b6c671840(0000) GS:ff1100009b430000(0000) knlGS:0000000000000000
[    9.297625][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.297801][  T185] CR2: 000000000042ebe0 CR3: 000000000d844001 CR4: 0000000000771ef0
[    9.298012][  T185] PKRU: 55555554
[    9.298177][  T185] Call Trace:
[    9.298284][  T185]  <TASK>
[    9.298357][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.298547][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.298689][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.298795][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.298938][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.299136][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.299289][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.299519][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.299661][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.299802][  T185]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.299977][  T185]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[    9.300240][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.300381][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.300531][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.300673][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.300817][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.300989][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.301191][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.301332][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.301502][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.301724][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.301921][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.302123][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.302266][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.302413][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.302565][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.302704][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.302844][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.302988][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.303139][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.303294][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.303438][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.303582][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.303718][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.303863][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.304018][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.304163][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.304302][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.304447][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.304606][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.304746][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.304887][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.305024][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.305172][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.305333][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.305490][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.305632][  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))
[    9.305770][  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))
[    9.305911][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.306049][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.306193][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.306334][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.306479][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.306625][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.306782][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.306925][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.307063][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.307239][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.307382][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.307531][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.307669][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.307830][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.307969][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.308112][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.308251][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.308391][  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)
[    9.308543][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.308681][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.308819][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.308957][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.309100][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.309368][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.309551][  T185] RIP: 0033:0x7f8b6c8ab08e
[    9.309696][  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
[    9.310244][  T185] RSP: 002b:00007fff90cde3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.310462][  T185] RAX: ffffffffffffffda RBX: 00007fff90cdeb88 RCX: 00007f8b6c8ab08e
[    9.310670][  T185] RDX: 0000000000000000 RSI: 00007fff90cde4a0 RDI: 0000000000000005
[    9.310879][  T185] RBP: 00007fff90cde400 R08: 0000000000000000 R09: 0000000000000000
[    9.311091][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c805
[    9.311322][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff90cdeb60
| [    9.321195][  T185] ------------[ cut here ]------------
| [    9.321371][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [    9.321621][  T185] Modules linked in: veth
| [    9.322009][  T185] Tainted: [W]=WARN
[    9.322116][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.322287][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.322468][  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
[    9.322993][  T185] RSP: 0018:ffa00000007871b0 EFLAGS: 00010286
[    9.323196][  T185] RAX: 00000000ffffffa6 RBX: ff1100000932a580 RCX: 1ff40000000f0dfc
[    9.323409][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000932a638
[    9.323663][  T185] RBP: ff1100000a194000 R08: 1fe22000012654c8 R09: ff1100000d97ae80
[    9.323887][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.324093][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.324299][  T185] FS:  00007f8b6c671840(0000) GS:ff1100009b430000(0000) knlGS:0000000000000000
[    9.324552][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.324724][  T185] CR2: 000000000042ebe0 CR3: 000000000d844001 CR4: 0000000000771ef0
[    9.324926][  T185] PKRU: 55555554
[    9.325027][  T185] Call Trace:
[    9.325134][  T185]  <TASK>
[    9.325213][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.325354][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.325633][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.325771][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.325907][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.326043][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.326185][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.326325][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.326468][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.326610][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.326758][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.326900][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.327039][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.327181][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.327318][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.327461][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.327598][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.327736][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.327876][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.328013][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.328158][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.328295][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.328436][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.328599][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.328737][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.328874][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.329011][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.329154][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.329293][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.329436][  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))
[    9.329577][  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))
[    9.329715][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.329853][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.329989][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.330131][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.330270][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.330412][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.330558][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.330696][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.330834][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.331004][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.331151][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.331289][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.331432][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.331585][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.331723][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.331859][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.331995][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.332139][  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)
[    9.332301][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.332444][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.332587][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.332722][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.332859][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.332998][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.333175][  T185] RIP: 0033:0x7f8b6c8ab08e
[    9.333320][  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
[    9.333813][  T185] RSP: 002b:00007fff90cde3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.334021][  T185] RAX: ffffffffffffffda RBX: 00007fff90cdeb88 RCX: 00007f8b6c8ab08e
[    9.334362][  T185] RDX: 0000000000000000 RSI: 00007fff90cde4a0 RDI: 0000000000000005
[    9.334575][  T185] RBP: 00007fff90cde400 R08: 0000000000000000 R09: 0000000000000000
[    9.334871][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c805
[    9.335079][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff90cdeb60
| [    9.472740][  T193] ------------[ cut here ]------------
| [    9.472922][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [    9.473661][  T193] Modules linked in: veth
| [    9.474076][  T193] Tainted: [W]=WARN
[    9.474183][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.474361][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.474561][  T193] 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
[    9.475075][  T193] RSP: 0018:ffa0000000666e30 EFLAGS: 00010286
[    9.475258][  T193] RAX: 00000000ffffffa6 RBX: ff110000089ee200 RCX: 1ff40000000ccd8c
[    9.475474][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000089ee2b8
[    9.475691][  T193] RBP: ff11000009674000 R08: 1fe220000113dc58 R09: ff1100000c2ad180
[    9.475905][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.476124][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c0a4780
[    9.476340][  T193] FS:  00007f8d0ab41840(0000) GS:ff1100009b530000(0000) knlGS:0000000000000000
[    9.476600][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.476781][  T193] CR2: 000000000042ebe0 CR3: 000000000c890002 CR4: 0000000000771ef0
[    9.476994][  T193] PKRU: 55555554
[    9.477105][  T193] Call Trace:
[    9.477212][  T193]  <TASK>
[    9.477289][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.477440][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.477552][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.477731][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.477875][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.478014][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.478162][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.478304][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.478451][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.478600][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.478744][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.478888][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.479028][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.479173][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.479317][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.479464][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.479642][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.479789][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.479930][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.480098][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.480241][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.480412][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.480557][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.480702][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.480844][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.480986][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.481134][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.481275][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.481683][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.481829][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.481971][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.482115][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.482261][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.482410][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.482555][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.482699][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.482843][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.482984][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.483131][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.483275][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.483427][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.483583][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.483723][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.483865][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.484005][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.484150][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.484297][  T193]  ? 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))
[    9.484444][  T193]  ? 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))
[    9.484593][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.484737][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.484876][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.485020][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.485169][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.485312][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.485462][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.485607][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.485748][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.485922][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.486073][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.486214][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.486356][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.486513][  T193]  ? 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))
[    9.486658][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.486802][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.486947][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.487093][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.487237][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.487377][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.487530][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.487672][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.487850][  T193] RIP: 0033:0x7f8d0ad7b08e
[    9.488013][  T193] 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
[    9.488528][  T193] RSP: 002b:00007ffc2140e500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.488743][  T193] RAX: ffffffffffffffda RBX: 00007ffc2140ec98 RCX: 00007f8d0ad7b08e
[    9.488952][  T193] RDX: 0000000000000000 RSI: 00007ffc2140e5b0 RDI: 0000000000000005
[    9.489167][  T193] RBP: 00007ffc2140e510 R08: 0000000000000000 R09: 0000000000000000
[    9.489378][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c805
[    9.489600][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2140ec70
| [    9.499159][  T193] ------------[ cut here ]------------
| [    9.499322][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [    9.499569][  T193] Modules linked in: veth
| [    9.499955][  T193] Tainted: [W]=WARN
[    9.500060][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.500241][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.500425][  T193] 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
[    9.500950][  T193] RSP: 0018:ffa00000006671b0 EFLAGS: 00010286
[    9.501187][  T193] RAX: 00000000ffffffa6 RBX: ff1100000b5751c0 RCX: 1ff40000000ccdfc
[    9.501394][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b575278
[    9.501609][  T193] RBP: ff1100000a114000 R08: 1fe22000016aea50 R09: ff1100000c2ad180
[    9.501817][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.502021][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.502313][  T193] FS:  00007f8d0ab41840(0000) GS:ff1100009b530000(0000) knlGS:0000000000000000
[    9.502570][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.502743][  T193] CR2: 000000000042ebe0 CR3: 000000000c890002 CR4: 0000000000771ef0
[    9.502951][  T193] PKRU: 55555554
[    9.503168][  T193] Call Trace:
[    9.503272][  T193]  <TASK>
[    9.503344][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.503875][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.503983][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.504219][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.504375][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.504522][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.504663][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.504804][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.504944][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.505087][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.505232][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.505374][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.505599][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.505741][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.505878][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.506016][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.506156][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.506294][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.506440][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.506588][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.506725][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.506860][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.506995][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.507136][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.507277][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.507415][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.507558][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.507695][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.507832][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.507971][  T193]  ? 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))
[    9.508110][  T193]  ? 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))
[    9.508254][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.508392][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.508536][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.508675][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.508815][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.508954][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.509097][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.509241][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.509377][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.509556][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.509697][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.509838][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.509974][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.510124][  T193]  ? 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))
[    9.510298][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.510443][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.510589][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.510751][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.510889][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.511029][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.511172][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.511313][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.511501][  T193] RIP: 0033:0x7f8d0ad7b08e
[    9.511645][  T193] 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
[    9.512137][  T193] RSP: 002b:00007ffc2140e500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.512345][  T193] RAX: ffffffffffffffda RBX: 00007ffc2140ec98 RCX: 00007f8d0ad7b08e
[    9.512558][  T193] RDX: 0000000000000000 RSI: 00007ffc2140e5b0 RDI: 0000000000000005
[    9.512766][  T193] RBP: 00007ffc2140e510 R08: 0000000000000000 R09: 0000000000000000
[    9.512972][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c805


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