======================================
| xx__-> [    9.065616][  T185] ------------[ cut here ]------------
| [    9.065892][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [    9.066150][  T185] Modules linked in: veth
| [    9.066580][  T185] Tainted: [W]=WARN
[    9.066689][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.066886][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.067077][  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
[    9.067583][  T185] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[    9.067767][  T185] RAX: 00000000ffffffa6 RBX: ff1100000ae64ac0 RCX: 1ff4000000126d8c
[    9.067994][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ae64b78
[    9.068205][  T185] RBP: ff11000007524000 R08: 1fe22000015cc970 R09: ff1100000cc98b80
[    9.068429][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.068707][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008a35580
[    9.068951][  T185] FS:  00007fb0e1895840(0000) GS:ff11000093430000(0000) knlGS:0000000000000000
[    9.069200][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.069377][  T185] CR2: 000055e0e4808d5c CR3: 000000000c83f002 CR4: 0000000000771ef0
[    9.069592][  T185] PKRU: 55555554
[    9.069698][  T185] Call Trace:
[    9.069809][  T185]  <TASK>
[    9.069890][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.070071][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.070214][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.070321][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.070467][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.070608][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.070755][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.070904][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.071045][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.071188][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.071329][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.071471][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.071614][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.071868][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.072013][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.072155][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.072424][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.072565][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.072707][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.072876][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.073117][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.073260][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.073414][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.073558][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.073704][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.073855][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.074002][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.074145][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.074292][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.074437][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.074580][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.074720][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.074870][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.075014][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.075155][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.075300][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.075442][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.075581][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.075722][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.075908][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.076050][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.076194][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.076334][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.076477][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.076619][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.076766][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.076941][  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))
[    9.077082][  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))
[    9.077225][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.077368][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.077509][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.077652][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.077799][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.077950][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.078094][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.078237][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.078383][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.078579][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.078726][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.078876][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.079023][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.079176][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.079319][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.079463][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.079605][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.079901][  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)
[    9.080043][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.080185][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.080326][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.080480][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.080637][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.080786][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.080973][  T185] RIP: 0033:0x7fb0e1acf08e
[    9.081126][  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
[    9.081735][  T185] RSP: 002b:00007ffe815fe7e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.081965][  T185] RAX: ffffffffffffffda RBX: 00007ffe815fef78 RCX: 00007fb0e1acf08e
[    9.082177][  T185] RDX: 0000000000000000 RSI: 00007ffe815fe890 RDI: 0000000000000005
[    9.082485][  T185] RBP: 00007ffe815fe7f0 R08: 0000000000000000 R09: 0000000000000000
[    9.082698][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c714
[    9.083020][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe815fef50
| [    9.091332][  T185] ------------[ cut here ]------------
| [    9.091495][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [    9.091745][  T185] Modules linked in: veth
| [    9.092145][  T185] Tainted: [W]=WARN
[    9.092248][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.092423][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.092601][  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
[    9.093217][  T185] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[    9.093392][  T185] RAX: 00000000ffffffa6 RBX: ff1100000bd76ac0 RCX: 1ff4000000126dfc
[    9.093597][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bd76b78
[    9.094026][  T185] RBP: ff11000008e84000 R08: 1fe22000017aed70 R09: ff1100000cc98b80
[    9.094249][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.094453][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.094672][  T185] FS:  00007fb0e1895840(0000) GS:ff11000093430000(0000) knlGS:0000000000000000
[    9.094994][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.095166][  T185] CR2: 000055e0e4808d5c CR3: 000000000c83f002 CR4: 0000000000771ef0
[    9.095429][  T185] PKRU: 55555554
[    9.095531][  T185] Call Trace:
[    9.095632][  T185]  <TASK>
[    9.095704][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.095912][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.096018][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.096167][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.096304][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.096438][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.096577][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.096716][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.096925][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.097061][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.097199][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.097340][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.097480][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.097708][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.097913][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.098052][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.098186][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.098321][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.098460][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.098597][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.098888][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.099031][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.099168][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.099304][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.099441][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.099576][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.099869][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.100009][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.100147][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.100286][  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))
[    9.100423][  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))
[    9.100561][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.100699][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.100905][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.101043][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.101181][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.101323][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.101462][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.101602][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.101898][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.102069][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.102209][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.102345][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.102481][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.102631][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.102928][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.103064][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.103199][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.103338][  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)
[    9.103475][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.103611][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.103804][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.103953][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.104089][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.104225][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.104482][  T185] RIP: 0033:0x7fb0e1acf08e
[    9.104625][  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
[    9.105272][  T185] RSP: 002b:00007ffe815fe7e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.105478][  T185] RAX: ffffffffffffffda RBX: 00007ffe815fef78 RCX: 00007fb0e1acf08e
[    9.105679][  T185] RDX: 0000000000000000 RSI: 00007ffe815fe890 RDI: 0000000000000005
[    9.105956][  T185] RBP: 00007ffe815fe7f0 R08: 0000000000000000 R09: 0000000000000000
[    9.106160][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c714
[    9.106454][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe815fef50
| [    9.246533][  T191] ------------[ cut here ]------------
| [    9.246777][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [    9.247092][  T191] Modules linked in: veth
| [    9.247591][  T191] Tainted: [W]=WARN
[    9.247766][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.248031][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.248268][  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
[    9.248826][  T191] RSP: 0018:ffa00000004f6e30 EFLAGS: 00010286
[    9.249078][  T191] RAX: 00000000ffffffa6 RBX: ff1100000aeb4200 RCX: 1ff400000009ed8c
[    9.249338][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aeb42b8
[    9.249597][  T191] RBP: ff110000080d9000 R08: 1fe22000015d6858 R09: ff1100000c605180
[    9.249880][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.250162][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005373c00
[    9.250430][  T191] FS:  00007fbee6e9b840(0000) GS:ff110000934b0000(0000) knlGS:0000000000000000
[    9.250729][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.251002][  T191] CR2: 000000000042ebe0 CR3: 000000000ccc5001 CR4: 0000000000771ef0
[    9.251275][  T191] PKRU: 55555554
[    9.251433][  T191] Call Trace:
[    9.251593][  T191]  <TASK>
[    9.251719][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.251943][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.252106][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.252336][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.252529][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.252723][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.252945][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.253149][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.253346][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.253540][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.253755][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.253969][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.254162][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.254356][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.254551][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[    9.254761][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.255017][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.255213][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.255403][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.255610][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.255815][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.256025][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.256217][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.256414][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.256607][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.256814][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.257025][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.257224][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.257424][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.257620][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.257859][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.258063][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.258262][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.258456][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.258653][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.258868][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.259071][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.259281][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.259511][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.259708][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.259928][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.260127][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.260318][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.260517][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.260713][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.260931][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.261132][  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))
[    9.261324][  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))
[    9.261519][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.261728][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.261955][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.262152][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.262349][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.262544][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.262757][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.262972][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.263198][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.263423][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.263622][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.263828][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.264045][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.264262][  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))
[    9.264461][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.264706][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.264928][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.265122][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.265317][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.265512][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.265705][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.265920][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.266151][  T191] RIP: 0033:0x7fbee70d508e
[    9.266349][  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
[    9.272269][  T191] RSP: 002b:00007ffeecb236d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.272532][  T191] RAX: ffffffffffffffda RBX: 00007ffeecb23e68 RCX: 00007fbee70d508e
[    9.272882][  T191] RDX: 0000000000000000 RSI: 00007ffeecb23780 RDI: 0000000000000005
[    9.273162][  T191] RBP: 00007ffeecb236e0 R08: 0000000000000000 R09: 0000000000000000
[    9.273427][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c714
[    9.273693][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeecb23e40
| [    9.311336][  T191] ------------[ cut here ]------------
| [    9.311566][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [    9.311890][  T191] Modules linked in: veth
| [    9.312398][  T191] Tainted: [W]=WARN
[    9.312554][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.312924][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.313246][  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
[    9.313915][  T191] RSP: 0018:ffa00000004f71b0 EFLAGS: 00010286
[    9.314224][  T191] RAX: 00000000ffffffa6 RBX: ff11000008ead000 RCX: 1ff400000009edfc
[    9.314592][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008ead0b8
[    9.314969][  T191] RBP: ff11000008749000 R08: 1fe22000011d5a18 R09: ff1100000c605180
[    9.315321][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.315638][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.315979][  T191] FS:  00007fbee6e9b840(0000) GS:ff110000934b0000(0000) knlGS:0000000000000000
[    9.316310][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.316548][  T191] CR2: 000000000042ebe0 CR3: 000000000ccc5001 CR4: 0000000000771ef0
[    9.316823][  T191] PKRU: 55555554
[    9.316997][  T191] Call Trace:
[    9.317160][  T191]  <TASK>
[    9.317282][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.317474][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.317632][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.317858][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.318061][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.318254][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.318446][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.318651][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.318866][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.319063][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.319253][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.319448][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.319645][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.319847][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.320052][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.320248][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.320436][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.320627][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.320858][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.321065][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.321257][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.321448][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.321640][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.321841][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.322056][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.322246][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.322437][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.322631][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.322844][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.323069][  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))
[    9.323259][  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))
[    9.323453][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.323645][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.323860][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.324073][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.324268][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.324463][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.324662][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.324878][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.325077][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.325300][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.325504][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.325696][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.325985][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.326188][  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))
[    9.326383][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.326575][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.326783][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.326998][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.327188][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.327378][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.327566][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.327772][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.328020][  T191] RIP: 0033:0x7fbee70d508e
[    9.328218][  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
[    9.328787][  T191] RSP: 002b:00007ffeecb236d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.329065][  T191] RAX: ffffffffffffffda RBX: 00007ffeecb23e68 RCX: 00007fbee70d508e
[    9.329322][  T191] RDX: 0000000000000000 RSI: 00007ffeecb23780 RDI: 0000000000000005
[    9.329580][  T191] RBP: 00007ffeecb236e0 R08: 0000000000000000 R09: 0000000000000000
[    9.329861][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c714
[    9.330123][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeecb23e40
| [    9.509969][  T199] ------------[ cut here ]------------
| [    9.510152][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/199
| [    9.510402][  T199] Modules linked in: veth
| [    9.510836][  T199] Tainted: [W]=WARN
[    9.510957][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.511136][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.511324][  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
[    9.511839][  T199] RSP: 0018:ffa00000005e6e30 EFLAGS: 00010286
[    9.512033][  T199] RAX: 00000000ffffffa6 RBX: ff1100000bd77e00 RCX: 1ff40000000bcd8c
[    9.512249][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bd77eb8
[    9.512479][  T199] RBP: ff11000008489000 R08: 1fe22000017aefd8 R09: ff1100000cb00b80
[    9.512691][  T199] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.512921][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005370e80
[    9.513136][  T199] FS:  00007f8579c60840(0000) GS:ff110000933b0000(0000) knlGS:0000000000000000
[    9.513383][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.513577][  T199] CR2: 000000000042ebe0 CR3: 000000000bc0a003 CR4: 0000000000771ef0
[    9.513797][  T199] PKRU: 55555554
[    9.513920][  T199] Call Trace:
[    9.514025][  T199]  <TASK>
[    9.514099][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.514248][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.514394][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.514506][  T199]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.514654][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.514799][  T199]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.514946][  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)
[    9.515089][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.515232][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.515373][  T199]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.515512][  T199]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.515653][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.515800][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.515949][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.516093][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.516235][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.516377][  T199]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.516518][  T199] veth_newlink (drivers/net/veth.c:1871) veth
[    9.516662][  T199]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.516920][  T199]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.517062][  T199]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.517204][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.517363][  T199]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.517505][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.517649][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.517881][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.518030][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.518171][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.518313][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.518453][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.518593][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.518822][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.519081][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.519245][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.519385][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.519541][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.519681][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.519893][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.520041][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.520183][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.520323][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.520465][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.520606][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.520827][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.520979][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.521119][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.521260][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.521400][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.521544][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.521689][  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))
[    9.521843][  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))
[    9.521996][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.522140][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.522281][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.522422][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.522563][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.522706][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.522869][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.523016][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.523157][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.523332][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.523476][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.523615][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.523762][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.523919][  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))
[    9.524064][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.524204][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.524349][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.524488][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.524629][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.524775][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.524935][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.525075][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.525251][  T199] RIP: 0033:0x7f8579e9a08e
[    9.525401][  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
[    9.525943][  T199] RSP: 002b:00007ffc7acd5b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.526158][  T199] RAX: ffffffffffffffda RBX: 00007ffc7acd6308 RCX: 00007f8579e9a08e
[    9.526369][  T199] RDX: 0000000000000000 RSI: 00007ffc7acd5c20 RDI: 0000000000000005
[    9.526581][  T199] RBP: 00007ffc7acd5b80 R08: 0000000000000000 R09: 0000000000000000
[    9.526813][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c714
[    9.527042][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7acd62e0
| [    9.536208][  T199] ------------[ cut here ]------------
| [    9.536367][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/199
| [    9.536606][  T199] Modules linked in: veth
| [    9.537097][  T199] Tainted: [W]=WARN
[    9.537205][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.537382][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.537560][  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
[    9.538070][  T199] RSP: 0018:ffa00000005e71b0 EFLAGS: 00010286
[    9.538244][  T199] RAX: 00000000ffffffa6 RBX: ff11000009d96ac0 RCX: 1ff40000000bcdfc
[    9.538449][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009d96b78
[    9.538656][  T199] RBP: ff1100000cbd4000 R08: 1fe22000013b2d70 R09: ff1100000cb00b80
[    9.538880][  T199] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.539091][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.539315][  T199] FS:  00007f8579c60840(0000) GS:ff110000933b0000(0000) knlGS:0000000000000000
[    9.539556][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.539730][  T199] CR2: 000000000042ebe0 CR3: 000000000bc0a003 CR4: 0000000000771ef0
[    9.539952][  T199] PKRU: 55555554
[    9.540057][  T199] Call Trace:
[    9.540159][  T199]  <TASK>
[    9.540233][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.540376][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.540481][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.540621][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.540768][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.540921][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.541069][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.541209][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.541350][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.541486][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.541626][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.541778][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.541955][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.542095][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.542234][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.542375][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.542513][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.542652][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.542865][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.543010][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.543147][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.543284][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.543420][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.543557][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.543714][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.543924][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.544063][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.544199][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.544336][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.544477][  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))
[    9.544614][  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))
[    9.544836][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.545092][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.545230][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.545368][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.545507][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.545652][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.545907][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.546046][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.546185][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.546359][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.546503][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.546643][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.546896][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.547047][  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))
[    9.547187][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.547324][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.547465][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.547603][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.547797][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.547963][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.548102][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.548241][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.548412][  T199] RIP: 0033:0x7f8579e9a08e
[    9.548555][  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
[    9.549068][  T199] RSP: 002b:00007ffc7acd5b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.549278][  T199] RAX: ffffffffffffffda RBX: 00007ffc7acd6308 RCX: 00007f8579e9a08e
[    9.549484][  T199] RDX: 0000000000000000 RSI: 00007ffc7acd5c20 RDI: 0000000000000005
[    9.549690][  T199] RBP: 00007ffc7acd5b80 R08: 0000000000000000 R09: 0000000000000000
[    9.549922][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c714


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