======================================
| xx__-> [    9.364339][  T186] ------------[ cut here ]------------
| [    9.364603][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.364892][  T186] Modules linked in: veth
| [    9.366363][  T186] Tainted: [W]=WARN
[    9.366495][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.366687][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.366875][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.367443][  T186] RSP: 0018:ffa00000008e6e30 EFLAGS: 00010286
[    9.367632][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c4ae200 RCX: 1ff400000011cd8c
[    9.367845][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c4ae2b8
[    9.368058][  T186] RBP: ff110000087e4000 R08: 1fe2200001895c58 R09: ff1100000c1a0b80
[    9.368325][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.368547][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000052b2a80
[    9.368774][  T186] FS:  00007f370ecfb840(0000) GS:ff11000071730000(0000) knlGS:0000000000000000
[    9.369021][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.369212][  T186] CR2: 0000558233fcc850 CR3: 000000000c687004 CR4: 0000000000771ef0
[    9.369426][  T186] PKRU: 55555554
[    9.369539][  T186] Call Trace:
[    9.369646][  T186]  <TASK>
[    9.369721][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.369902][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.370046][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.370157][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.370310][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.370451][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.370597][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.370737][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.370879][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.371021][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.371209][  T186]  ? 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)
[    9.371388][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.371534][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.371677][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.371822][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.371967][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.372141][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.372293][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.372432][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.372697][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.372839][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.373006][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.373157][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.373303][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.373444][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.373589][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.373729][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.373869][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.374016][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.374165][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.374313][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.374554][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.374697][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.374836][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.374975][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.375118][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.375270][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.375436][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.375601][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.375743][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.375885][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.376027][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.376171][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.376414][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.376577][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.376721][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.376867][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.377008][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.377155][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.377301][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.377442][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.377983][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.378129][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.378283][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.378428][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.378672][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.378814][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.378986][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.379131][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.379396][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.379558][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.379712][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.379854][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.380091][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.380243][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.380386][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.380537][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.380775][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.380916][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.381057][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.381209][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.381445][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.381623][  T186] RIP: 0033:0x7f370ef3508e
[    9.381771][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.382382][  T186] RSP: 002b:00007ffef2f0c7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.382600][  T186] RAX: ffffffffffffffda RBX: 00007ffef2f0cf88 RCX: 00007f370ef3508e
[    9.382912][  T186] RDX: 0000000000000000 RSI: 00007ffef2f0c8a0 RDI: 0000000000000005
[    9.383122][  T186] RBP: 00007ffef2f0c800 R08: 0000000000000000 R09: 0000000000000000
[    9.383437][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf4f
[    9.383652][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef2f0cf60
| [    9.394038][  T186] ------------[ cut here ]------------
| [    9.394264][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.394507][  T186] Modules linked in: veth
| [    9.394940][  T186] Tainted: [W]=WARN
[    9.395044][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.395226][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.395432][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.395950][  T186] RSP: 0018:ffa00000008e71b0 EFLAGS: 00010286
[    9.396124][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c50b1c0 RCX: 1ff400000011cdfc
[    9.396339][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c50b278
[    9.396551][  T186] RBP: ff11000008959000 R08: 1fe22000018a1650 R09: ff1100000c1a0b80
[    9.396755][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.396960][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.397170][  T186] FS:  00007f370ecfb840(0000) GS:ff11000071730000(0000) knlGS:0000000000000000
[    9.397417][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.397597][  T186] CR2: 0000558233fcc850 CR3: 000000000c687004 CR4: 0000000000771ef0
[    9.397804][  T186] PKRU: 55555554
[    9.397908][  T186] Call Trace:
[    9.398017][  T186]  <TASK>
[    9.398089][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.398238][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.398344][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.398485][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.398627][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.398763][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.398904][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.399042][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.399192][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.399328][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.399465][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.399635][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.399777][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.399919][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.400058][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.400206][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.400342][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.400478][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.400626][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.400764][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.400901][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.401038][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.401187][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.401327][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.401466][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.401610][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.401749][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.401888][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.402027][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.402177][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.402320][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.402459][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.402605][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.402748][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.402888][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.403027][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.403174][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.403322][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.403462][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.403606][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.403779][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.403923][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.404061][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.404214][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.404366][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.404512][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.404651][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.404791][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.404934][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.405076][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.405228][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.405371][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.405516][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.405657][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.405797][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.405971][  T186] RIP: 0033:0x7f370ef3508e
[    9.406114][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.406619][  T186] RSP: 002b:00007ffef2f0c7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.406829][  T186] RAX: ffffffffffffffda RBX: 00007ffef2f0cf88 RCX: 00007f370ef3508e
[    9.407039][  T186] RDX: 0000000000000000 RSI: 00007ffef2f0c8a0 RDI: 0000000000000005
[    9.407256][  T186] RBP: 00007ffef2f0c800 R08: 0000000000000000 R09: 0000000000000000
[    9.407462][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf4f
[    9.407675][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef2f0cf60
| [    9.547127][  T191] ------------[ cut here ]------------
| [    9.547779][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/191
| [    9.548075][  T191] Modules linked in: veth
| [    9.548562][  T191] Tainted: [W]=WARN
[    9.548672][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.548857][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.549051][  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
[    9.549588][  T191] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[    9.549775][  T191] RAX: 00000000ffffffa6 RBX: ff1100000c404200 RCX: 1ff4000000118d8c
[    9.549996][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c4042b8
[    9.550230][  T191] RBP: ff11000008899000 R08: 1fe2200001880858 R09: ff1100000c7dae80
[    9.550447][  T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.550668][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004bffc00
[    9.550891][  T191] FS:  00007f40ead16840(0000) GS:ff11000071730000(0000) knlGS:0000000000000000
[    9.551175][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.551367][  T191] CR2: 000000000042ebe0 CR3: 000000000d528005 CR4: 0000000000771ef0
[    9.551590][  T191] PKRU: 55555554
[    9.551702][  T191] Call Trace:
[    9.551812][  T191]  <TASK>
[    9.551890][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.552040][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.552154][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.552347][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.552497][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.552645][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.552791][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.552936][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.553081][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.553237][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.553384][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.553537][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.553681][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.553827][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.553975][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[    9.554122][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.554373][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.554530][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.554674][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.554835][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.554981][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.555125][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.555338][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.555484][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.555633][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.555778][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.555920][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.556063][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.556279][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.556469][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.556616][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.556758][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.556904][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.557045][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.557196][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.557346][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.557491][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.557641][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.557784][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.557927][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.558070][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.558240][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.558383][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.558534][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.558677][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.558821][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.558970][  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))
[    9.559115][  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))
[    9.559268][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.559415][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.559564][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.559719][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.559862][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.560009][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.560193][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.560355][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.560499][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.560685][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.560836][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.560982][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.561127][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.561296][  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))
[    9.561442][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.561593][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.561748][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.561894][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.562045][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.562200][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.562347][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.562494][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.562680][  T191] RIP: 0033:0x7f40eaf5008e
[    9.562836][  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
[    9.563353][  T191] RSP: 002b:00007ffd41010bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.563573][  T191] RAX: ffffffffffffffda RBX: 00007ffd41011388 RCX: 00007f40eaf5008e
[    9.563785][  T191] RDX: 0000000000000000 RSI: 00007ffd41010ca0 RDI: 0000000000000005
[    9.563996][  T191] RBP: 00007ffd41010c00 R08: 0000000000000000 R09: 0000000000000000
[    9.564222][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf4f
[    9.564436][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd41011360
| [    9.595561][  T191] ------------[ cut here ]------------
| [    9.595741][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/191
| [    9.595989][  T191] Modules linked in: veth
| [    9.596550][  T191] Tainted: [W]=WARN
[    9.596658][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.596834][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.597017][  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
[    9.597525][  T191] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[    9.597702][  T191] RAX: 00000000ffffffa6 RBX: ff11000008b25a80 RCX: 1ff4000000118dfc
[    9.597911][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008b25b38
[    9.598118][  T191] RBP: ff1100000a2bc000 R08: 1fe2200001164b68 R09: ff1100000c7dae80
[    9.598334][  T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.598549][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.598760][  T191] FS:  00007f40ead16840(0000) GS:ff11000071730000(0000) knlGS:0000000000000000
[    9.599005][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.599195][  T191] CR2: 000000000042ebe0 CR3: 000000000d528005 CR4: 0000000000771ef0
[    9.599406][  T191] PKRU: 55555554
[    9.599517][  T191] Call Trace:
[    9.599629][  T191]  <TASK>
[    9.599702][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.599846][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.599953][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.600093][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.600248][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.600386][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.600625][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.600767][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.600906][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.601044][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.601192][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.601338][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.601481][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.601625][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.601766][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.601905][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.602043][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.602191][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.602337][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.602477][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.602619][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.602759][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.602899][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.603039][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.603190][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.603331][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.603473][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.603618][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.603757][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.603900][  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))
[    9.604040][  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))
[    9.604192][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.604335][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.604476][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.604621][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.604762][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.604902][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.605046][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.605195][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.605336][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.605513][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.605657][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.605795][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.605936][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.606084][  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))
[    9.606233][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.606373][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.606521][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.606661][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.606800][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.606937][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.607079][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.607227][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.607401][  T191] RIP: 0033:0x7f40eaf5008e
[    9.607553][  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
[    9.608045][  T191] RSP: 002b:00007ffd41010bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.608265][  T191] RAX: ffffffffffffffda RBX: 00007ffd41011388 RCX: 00007f40eaf5008e
[    9.608472][  T191] RDX: 0000000000000000 RSI: 00007ffd41010ca0 RDI: 0000000000000005
[    9.608687][  T191] RBP: 00007ffd41010c00 R08: 0000000000000000 R09: 0000000000000000
[    9.608897][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf4f
[    9.609106][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd41011360
| [    9.840500][  T199] ------------[ cut here ]------------
| [    9.840701][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/199
| [    9.840958][  T199] Modules linked in: veth
| [    9.841394][  T199] Tainted: [W]=WARN
[    9.841516][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.841696][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.841887][  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
[    9.842411][  T199] RSP: 0018:ffa0000000876e30 EFLAGS: 00010286
[    9.842600][  T199] RAX: 00000000ffffffa6 RBX: ff1100000a4a6ac0 RCX: 1ff400000010ed8c
[    9.842814][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a4a6b78
[    9.843027][  T199] RBP: ff11000007571000 R08: 1fe2200001494d70 R09: ff1100000c5f8b80
[    9.843255][  T199] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.843472][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b3d7500
[    9.843701][  T199] FS:  00007f0cd7da2840(0000) GS:ff11000071630000(0000) knlGS:0000000000000000
[    9.843960][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.844138][  T199] CR2: 00007f51b1a65000 CR3: 0000000009266003 CR4: 0000000000771ef0
[    9.844376][  T199] PKRU: 55555554
[    9.844483][  T199] Call Trace:
[    9.844594][  T199]  <TASK>
[    9.844671][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.844819][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.844962][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.845070][  T199]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.845224][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.845369][  T199]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.845517][  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)
[    9.845659][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.845800][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.845943][  T199]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.846086][  T199]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.846244][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.846395][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.846542][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.846686][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.846829][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.846974][  T199]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.847119][  T199] veth_newlink (drivers/net/veth.c:1871) veth
[    9.847272][  T199]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.847451][  T199]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.847600][  T199]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.847742][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.847901][  T199]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.848045][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.848199][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.848343][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.848492][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.848641][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.848788][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.848930][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.849071][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.849227][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.849375][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.849521][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.849662][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.849805][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.849947][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.850089][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.850241][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.850384][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.850529][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.850672][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.850816][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.850957][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.851100][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.851252][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.851395][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.851542][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.851684][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.851831][  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))
[    9.851972][  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))
[    9.852115][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.852268][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.852412][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.852559][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.852701][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.852849][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.852997][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.853138][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.853291][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.853472][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.853623][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.853766][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.853909][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.854060][  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))
[    9.854266][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.854412][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.854563][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.854706][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.854853][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.854993][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.855136][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.855288][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.855466][  T199] RIP: 0033:0x7f0cd7fdc08e
[    9.855622][  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
[    9.856131][  T199] RSP: 002b:00007ffe7cf47410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.856361][  T199] RAX: ffffffffffffffda RBX: 00007ffe7cf47ba8 RCX: 00007f0cd7fdc08e
[    9.856584][  T199] RDX: 0000000000000000 RSI: 00007ffe7cf474c0 RDI: 0000000000000005
[    9.856800][  T199] RBP: 00007ffe7cf47420 R08: 0000000000000000 R09: 0000000000000000
[    9.857016][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf50
[    9.857241][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7cf47b80
| [    9.864939][  T199] ------------[ cut here ]------------
| [    9.865085][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/199
| [    9.865341][  T199] Modules linked in: veth
| [    9.865734][  T199] Tainted: [W]=WARN
[    9.865838][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.866010][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.866199][  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
[    9.866697][  T199] RSP: 0018:ffa00000008771b0 EFLAGS: 00010286
[    9.866871][  T199] RAX: 00000000ffffffa6 RBX: ff1100000d579540 RCX: 1ff400000010edfc
[    9.867081][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d5795f8
[    9.867296][  T199] RBP: ff1100000892c000 R08: 1fe2200001aaf2c0 R09: ff1100000c5f8b80
[    9.867509][  T199] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.867716][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.867926][  T199] FS:  00007f0cd7da2840(0000) GS:ff11000071630000(0000) knlGS:0000000000000000
[    9.868176][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.868355][  T199] CR2: 00007f51b1a65000 CR3: 0000000009266003 CR4: 0000000000771ef0
[    9.868569][  T199] PKRU: 55555554
[    9.868676][  T199] Call Trace:
[    9.868780][  T199]  <TASK>
[    9.868852][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.868996][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.869102][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.869254][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.869391][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.869534][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.869676][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.869819][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.869963][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.870100][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.870250][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.870392][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.870540][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.870679][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.870817][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.870958][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.871096][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.871245][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.871386][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.871530][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.871669][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.871808][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.871947][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.872087][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.872232][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.872372][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.872515][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.872654][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.872793][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.872935][  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))
[    9.873073][  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))
[    9.873224][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.873365][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.873510][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.873650][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.873791][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.873933][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.874074][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.874224][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.874364][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.874541][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.874685][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.874822][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.874959][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.875106][  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))
[    9.875260][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.875399][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.875549][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.875689][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.875827][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.875964][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.876101][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.876249][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.876424][  T199] RIP: 0033:0x7f0cd7fdc08e
[    9.876576][  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
[    9.877062][  T199] RSP: 002b:00007ffe7cf47410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.877279][  T199] RAX: ffffffffffffffda RBX: 00007ffe7cf47ba8 RCX: 00007f0cd7fdc08e
[    9.877484][  T199] RDX: 0000000000000000 RSI: 00007ffe7cf474c0 RDI: 0000000000000005
[    9.877694][  T199] RBP: 00007ffe7cf47420 R08: 0000000000000000 R09: 0000000000000000
[    9.877900][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf50


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