======================================
| xx__-> [    9.046061][  T185] ------------[ cut here ]------------
| [    9.046286][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.046581][  T185] Modules linked in: veth
| [    9.047043][  T185] Tainted: [W]=WARN
[    9.047155][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.047358][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.047552][  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
[    9.048061][  T185] RSP: 0018:ffa0000000826e30 EFLAGS: 00010286
[    9.048245][  T185] RAX: 00000000ffffffa6 RBX: ff110000092ebe00 RCX: 1ff4000000104d8c
[    9.048462][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092ebeb8
[    9.048673][  T185] RBP: ff11000005c11000 R08: 1fe220000125d7d8 R09: ff11000013848b80
[    9.048890][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.049124][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008be4b00
[    9.049338][  T185] FS:  00007f9d83730840(0000) GS:ff11000077d30000(0000) knlGS:0000000000000000
[    9.049594][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.049779][  T185] CR2: 0000563291437850 CR3: 0000000013081005 CR4: 0000000000771ef0
[    9.049991][  T185] PKRU: 55555554
[    9.050101][  T185] Call Trace:
[    9.050206][  T185]  <TASK>
[    9.050281][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.050466][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.050611][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.050724][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.050876][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.051014][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.051162][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.051303][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.051449][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.051592][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.051739][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.051896][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.052039][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.052187][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.052340][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.052489][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.052664][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.052809][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.052948][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.053113][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.053256][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.053408][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.053550][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.053698][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.053844][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.053985][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.054132][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.054275][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.054428][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.054573][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.054723][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.054862][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.055002][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.055147][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.055289][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.055439][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.055580][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.055726][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.055867][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.056005][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.056148][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.056291][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.056436][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.056577][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.056725][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.056867][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.057013][  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))
[    9.057155][  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))
[    9.057297][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.057443][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.057584][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.057731][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.057874][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.058016][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.058166][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.058310][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.058458][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.058632][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.058781][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.058922][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.059062][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.059238][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.059381][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.059529][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.059668][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.059814][  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)
[    9.059956][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.060105][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.060246][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.060386][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.060534][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.060676][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.060856][  T185] RIP: 0033:0x7f9d8396a08e
[    9.061005][  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
[    9.061514][  T185] RSP: 002b:00007ffc7739d0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.061733][  T185] RAX: ffffffffffffffda RBX: 00007ffc7739d868 RCX: 00007f9d8396a08e
[    9.061944][  T185] RDX: 0000000000000000 RSI: 00007ffc7739d180 RDI: 0000000000000005
[    9.062158][  T185] RBP: 00007ffc7739d0e0 R08: 0000000000000000 R09: 0000000000000000
[    9.062370][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc07
[    9.062585][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7739d840
| [    9.071940][  T185] ------------[ cut here ]------------
| [    9.072111][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.072352][  T185] Modules linked in: veth
| [    9.072810][  T185] Tainted: [W]=WARN
[    9.072913][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.073106][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.073544][  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
[    9.074102][  T185] RSP: 0018:ffa00000008271b0 EFLAGS: 00010286
[    9.074276][  T185] RAX: 00000000ffffffa6 RBX: ff11000004e52c80 RCX: 1ff4000000104dfc
[    9.074539][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e52d38
[    9.074746][  T185] RBP: ff11000008a21000 R08: 1fe22000009ca5a8 R09: ff11000013848b80
[    9.074948][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.075155][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.075511][  T185] FS:  00007f9d83730840(0000) GS:ff11000077d30000(0000) knlGS:0000000000000000
[    9.075756][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.075929][  T185] CR2: 0000563291437850 CR3: 0000000013081005 CR4: 0000000000771ef0
[    9.076138][  T185] PKRU: 55555554
[    9.076243][  T185] Call Trace:
[    9.076586][  T185]  <TASK>
[    9.076657][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.076801][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.076905][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.077042][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.077187][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.077322][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.077519][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.077657][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.077801][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.077939][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.078080][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.078226][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.078366][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.078748][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.078885][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.079022][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.079164][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.079300][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.079496][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.079635][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.079775][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.079913][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.080147][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.080282][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.080478][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.080612][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.080758][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.080896][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.081222][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.081362][  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))
[    9.081558][  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))
[    9.081699][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.081836][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.081972][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.082116][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.082345][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.082540][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.082680][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.082823][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.082959][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.083133][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.083276][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.083469][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.083604][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.083755][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.083891][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.084027][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.084257][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.084456][  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)
[    9.084592][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.084735][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.084873][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.085008][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.085149][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.085377][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.085603][  T185] RIP: 0033:0x7f9d8396a08e
[    9.085752][  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
[    9.086240][  T185] RSP: 002b:00007ffc7739d0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.086530][  T185] RAX: ffffffffffffffda RBX: 00007ffc7739d868 RCX: 00007f9d8396a08e
[    9.086738][  T185] RDX: 0000000000000000 RSI: 00007ffc7739d180 RDI: 0000000000000005
[    9.086941][  T185] RBP: 00007ffc7739d0e0 R08: 0000000000000000 R09: 0000000000000000
[    9.087150][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc07
[    9.087354][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7739d840
| [    9.228054][  T191] ------------[ cut here ]------------
| [    9.228294][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/191
| [    9.228583][  T191] Modules linked in: veth
| [    9.228995][  T191] Tainted: [W]=WARN
[    9.229110][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.229289][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.229555][  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
[    9.230058][  T191] RSP: 0018:ffa0000000826e30 EFLAGS: 00010286
[    9.230245][  T191] RAX: 00000000ffffffa6 RBX: ff1100000916c200 RCX: 1ff4000000104d8c
[    9.230519][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000916c2b8
[    9.230734][  T191] RBP: ff11000009df9000 R08: 1fe220000122d858 R09: ff11000013825180
[    9.230941][  T191] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.231184][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004bdf180
[    9.231460][  T191] FS:  00007f7866e75840(0000) GS:ff11000077c30000(0000) knlGS:0000000000000000
[    9.231714][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.231890][  T191] CR2: 000000000042ebe0 CR3: 000000001305c005 CR4: 0000000000771ef0
[    9.232112][  T191] PKRU: 55555554
[    9.232219][  T191] Call Trace:
[    9.232325][  T191]  <TASK>
[    9.232421][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.232568][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.232674][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.232854][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.232995][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.233140][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.233279][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.233426][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.233569][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.233713][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.233857][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.234001][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.234149][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.234292][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.234443][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[    9.234585][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.234762][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.234905][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.235045][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.235206][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.235348][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.235497][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.235636][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.235782][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.235924][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.236065][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.236209][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.236348][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.236501][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.236647][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.236796][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.236937][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.237082][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.237223][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.237364][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.237513][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.237652][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.237796][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.237938][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.238081][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.238221][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.238362][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.238506][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.238646][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.238792][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.238932][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.239079][  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))
[    9.239217][  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))
[    9.239357][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.239503][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.239640][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.239783][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.239921][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.240060][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.240208][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.240348][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.240490][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.240659][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.240807][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.240944][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.241088][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.241236][  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))
[    9.241399][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.241550][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.241714][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.241856][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.241997][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.242139][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.242280][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.242425][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.242595][  T191] RIP: 0033:0x7f78670af08e
[    9.242743][  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
[    9.243251][  T191] RSP: 002b:00007ffe6ae98000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.243466][  T191] RAX: ffffffffffffffda RBX: 00007ffe6ae98798 RCX: 00007f78670af08e
[    9.243673][  T191] RDX: 0000000000000000 RSI: 00007ffe6ae980b0 RDI: 0000000000000005
[    9.243904][  T191] RBP: 00007ffe6ae98010 R08: 0000000000000000 R09: 0000000000000000
[    9.244116][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc07
[    9.244326][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6ae98770
| [    9.257109][  T191] ------------[ cut here ]------------
| [    9.257271][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/191
| [    9.257662][  T191] Modules linked in: veth
| [    9.258055][  T191] Tainted: [W]=WARN
[    9.258462][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.258634][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.258818][  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
[    9.259377][  T191] RSP: 0018:ffa00000008271b0 EFLAGS: 00010286
[    9.259563][  T191] RAX: 00000000ffffffa6 RBX: ff110000138a31c0 RCX: 1ff4000000104dfc
[    9.259772][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000138a3278
[    9.259975][  T191] RBP: ff11000009d94000 R08: 1fe2200002714650 R09: ff11000013825180
[    9.260185][  T191] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.260397][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.260598][  T191] FS:  00007f7866e75840(0000) GS:ff11000077c30000(0000) knlGS:0000000000000000
[    9.260841][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.261014][  T191] CR2: 000000000042ebe0 CR3: 000000001305c005 CR4: 0000000000771ef0
[    9.261229][  T191] PKRU: 55555554
[    9.261331][  T191] Call Trace:
[    9.261441][  T191]  <TASK>
[    9.261512][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.261651][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.261763][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.261900][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.262039][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.262181][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.262320][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.262464][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.262602][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.262741][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.262875][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.263019][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.263181][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.263339][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.263481][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.263617][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.263757][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.263892][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.264036][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.264177][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.264313][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.264455][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.264594][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.264735][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.264874][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.265013][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.265155][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.265292][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.265436][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.265576][  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))
[    9.265715][  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))
[    9.265852][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.265991][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.266133][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.266271][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.266413][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.266549][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.266687][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.266830][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.266968][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.267142][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.267286][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.267430][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.267566][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.267717][  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))
[    9.267856][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.267993][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.268138][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.268276][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.268424][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.268559][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.268702][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.268838][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.269005][  T191] RIP: 0033:0x7f78670af08e
[    9.269153][  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
[    9.269669][  T191] RSP: 002b:00007ffe6ae98000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.269879][  T191] RAX: ffffffffffffffda RBX: 00007ffe6ae98798 RCX: 00007f78670af08e
[    9.270084][  T191] RDX: 0000000000000000 RSI: 00007ffe6ae980b0 RDI: 0000000000000005
[    9.270287][  T191] RBP: 00007ffe6ae98010 R08: 0000000000000000 R09: 0000000000000000
[    9.270495][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc07
[    9.270703][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6ae98770
| [    9.500496][  T199] ------------[ cut here ]------------
| [    9.500774][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/199
| [    9.501027][  T199] Modules linked in: veth
| [    9.501450][  T199] Tainted: [W]=WARN
[    9.501558][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.501743][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.501930][  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
[    9.502456][  T199] RSP: 0018:ffa0000000766e30 EFLAGS: 00010286
[    9.502644][  T199] RAX: 00000000ffffffa6 RBX: ff1100000b281540 RCX: 1ff40000000ecd8c
[    9.502864][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2815f8
[    9.503079][  T199] RBP: ff110000135bc000 R08: 1fe22000016502c0 R09: ff110000135d2e80
[    9.503294][  T199] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.503519][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b8a000
[    9.503741][  T199] FS:  00007f1979209840(0000) GS:ff11000077bb0000(0000) knlGS:0000000000000000
[    9.503992][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.504177][  T199] CR2: 00007f1979570f6d CR3: 0000000004db6002 CR4: 0000000000771ef0
[    9.504389][  T199] PKRU: 55555554
[    9.504502][  T199] Call Trace:
[    9.504608][  T199]  <TASK>
[    9.504681][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.504834][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.504978][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.505091][  T199]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.505235][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.505379][  T199]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.505601][  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)
[    9.505746][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.505887][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.506029][  T199]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.506176][  T199]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.506320][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.506529][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.506671][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.506818][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.506963][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.507112][  T199]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.507258][  T199] veth_newlink (drivers/net/veth.c:1871) veth
[    9.507465][  T199]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.507658][  T199]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.507809][  T199]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.507951][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.508115][  T199]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.508260][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.508411][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.508552][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.508703][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.508847][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.508990][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.509136][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.509291][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.509450][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.509597][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.509746][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.509888][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.510031][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.510176][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.510319][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.510472][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.510617][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.510765][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.510908][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.511049][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.511196][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.511342][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.511491][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.511635][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.511781][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.511925][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.512071][  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))
[    9.512224][  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))
[    9.512369][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.512516][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.512658][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.512809][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.512953][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.513102][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.513248][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.513399][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.513542][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.513725][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.513874][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.514016][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.514162][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.514314][  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))
[    9.514466][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.514608][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.514762][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.514907][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.515049][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.515195][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.515338][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.515488][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.515666][  T199] RIP: 0033:0x7f197944308e
[    9.515820][  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
[    9.516332][  T199] RSP: 002b:00007ffc6099cf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.516553][  T199] RAX: ffffffffffffffda RBX: 00007ffc6099d6f8 RCX: 00007f197944308e
[    9.516770][  T199] RDX: 0000000000000000 RSI: 00007ffc6099d010 RDI: 0000000000000005
[    9.516982][  T199] RBP: 00007ffc6099cf70 R08: 0000000000000000 R09: 0000000000000000
[    9.517193][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc07
[    9.517408][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6099d6d0
| [    9.534104][  T199] ------------[ cut here ]------------
| [    9.534259][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/199
| [    9.534519][  T199] Modules linked in: veth
| [    9.534914][  T199] Tainted: [W]=WARN
[    9.535021][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.535198][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.535380][  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
[    9.535882][  T199] RSP: 0018:ffa00000007671b0 EFLAGS: 00010286
[    9.536056][  T199] RAX: 00000000ffffffa6 RBX: ff1100000b390900 RCX: 1ff40000000ecdfc
[    9.536270][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3909b8
[    9.536486][  T199] RBP: ff11000013231000 R08: 1fe2200001672138 R09: ff110000135d2e80
[    9.536695][  T199] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.536903][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.537117][  T199] FS:  00007f1979209840(0000) GS:ff11000077bb0000(0000) knlGS:0000000000000000
[    9.537358][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.537543][  T199] CR2: 00007f1979570f6d CR3: 0000000004db6002 CR4: 0000000000771ef0
[    9.537757][  T199] PKRU: 55555554
[    9.537861][  T199] Call Trace:
[    9.537967][  T199]  <TASK>
[    9.538039][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.538187][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.538295][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.538442][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.538581][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.538727][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.538868][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.539008][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.539154][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.539294][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.539445][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.539592][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.539745][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.539888][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.540029][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.540176][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.540320][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.540464][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.540607][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.540751][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.540891][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.541036][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.541179][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.541321][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.541469][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.541607][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.541753][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.541893][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.542035][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.542187][  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))
[    9.542326][  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))
[    9.542476][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.542617][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.542764][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.542954][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.543100][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.543243][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.543383][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.543529][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.543668][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.543845][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.543990][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.544134][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.544274][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.544428][  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))
[    9.544568][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.544709][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.544851][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.544989][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.545133][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.545270][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.545417][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.545557][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.545733][  T199] RIP: 0033:0x7f197944308e
[    9.545877][  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
[    9.546368][  T199] RSP: 002b:00007ffc6099cf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.546580][  T199] RAX: ffffffffffffffda RBX: 00007ffc6099d6f8 RCX: 00007f197944308e
[    9.546793][  T199] RDX: 0000000000000000 RSI: 00007ffc6099d010 RDI: 0000000000000005
[    9.546999][  T199] RBP: 00007ffc6099cf70 R08: 0000000000000000 R09: 0000000000000000
[    9.547210][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc07
[    9.547424][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6099d6d0
| [    9.700324][  T207] ------------[ cut here ]------------
| [    9.700868][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [    9.701128][  T207] Modules linked in: veth
| [    9.701550][  T207] Tainted: [W]=WARN
[    9.701659][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.701849][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.702038][  T207] 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
[    9.702556][  T207] RSP: 0018:ffa0000000676e30 EFLAGS: 00010286
[    9.702743][  T207] RAX: 00000000ffffffa6 RBX: ff1100000b280040 RCX: 1ff40000000ced8c
[    9.702971][  T207] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2800f8
[    9.703191][  T207] RBP: ff11000013889000 R08: 1fe2200001650020 R09: ff11000004c62e80
[    9.703412][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.703624][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a7ba700
[    9.703845][  T207] FS:  00007f93d2bef840(0000) GS:ff11000077bb0000(0000) knlGS:0000000000000000
[    9.704098][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.704278][  T207] CR2: 000000000042ebe0 CR3: 0000000015acd003 CR4: 0000000000771ef0
[    9.704496][  T207] PKRU: 55555554
[    9.704602][  T207] Call Trace:
[    9.704711][  T207]  <TASK>
[    9.704785][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.704933][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.705083][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.705192][  T207]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.705336][  T207]  __dev_notify_flags (net/core/dev.c:9787)
[    9.705486][  T207]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.705632][  T207]  ? 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)
[    9.705778][  T207]  ? netif_change_name (net/core/dev.c:1495)
[    9.705919][  T207]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.706062][  T207]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.706210][  T207]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.706353][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.706503][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.706644][  T207]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.706794][  T207]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.706935][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.707082][  T207]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.707229][  T207] veth_newlink (drivers/net/veth.c:1871) veth
[    9.707373][  T207]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.707558][  T207]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.707706][  T207]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.707847][  T207]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.708004][  T207]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.708154][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.708299][  T207]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.708444][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.708588][  T207]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.708738][  T207]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.708896][  T207]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.709038][  T207]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.709188][  T207]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.709337][  T207]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.709489][  T207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.709631][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.709775][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.709917][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.710057][  T207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.710201][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.710344][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.710492][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.710632][  T207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.710777][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.710917][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.711057][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.711204][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.711343][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.711493][  T207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.711633][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.711777][  T207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.711921][  T207]  ? 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))
[    9.712090][  T207]  ? 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))
[    9.712235][  T207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.712378][  T207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.712525][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.712668][  T207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.712813][  T207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.712955][  T207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.713104][  T207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.713246][  T207]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.713388][  T207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.713570][  T207]  ? move_addr_to_kernel (net/socket.c:258)
[    9.713718][  T207]  ___sys_sendmsg (net/socket.c:2752)
[    9.713857][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.713997][  T207]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.714153][  T207]  ? 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))
[    9.714296][  T207]  __sys_sendmsg (net/socket.c:2784)
[    9.714443][  T207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.714589][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.714739][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.714881][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.715021][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.715169][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.715311][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.715493][  T207] RIP: 0033:0x7f93d2e2908e
[    9.715642][  T207] 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
[    9.716153][  T207] RSP: 002b:00007ffd60b7a940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.716365][  T207] RAX: ffffffffffffffda RBX: 00007ffd60b7b0d8 RCX: 00007f93d2e2908e
[    9.716581][  T207] RDX: 0000000000000000 RSI: 00007ffd60b7a9f0 RDI: 0000000000000005
[    9.716799][  T207] RBP: 00007ffd60b7a950 R08: 0000000000000000 R09: 0000000000000000
[    9.717008][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc08
[    9.717314][  T207] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd60b7b0b0
| [    9.731270][  T207] ------------[ cut here ]------------
| [    9.731437][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [    9.731675][  T207] Modules linked in: veth
| [    9.732093][  T207] Tainted: [W]=WARN
[    9.732198][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.732374][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.732971][  T207] 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
[    9.733529][  T207] RSP: 0018:ffa00000006771b0 EFLAGS: 00010286
[    9.733707][  T207] RAX: 00000000ffffffa6 RBX: ff1100001575dc40 RCX: 1ff40000000cedfc
[    9.733912][  T207] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001575dcf8
[    9.734143][  T207] RBP: ff11000015791000 R08: 1fe2200002aebba0 R09: ff11000004c62e80
[    9.734349][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.734615][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.734831][  T207] FS:  00007f93d2bef840(0000) GS:ff11000077bb0000(0000) knlGS:0000000000000000
[    9.735133][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.735317][  T207] CR2: 000000000042ebe0 CR3: 0000000015acd003 CR4: 0000000000771ef0
[    9.735586][  T207] PKRU: 55555554
[    9.735692][  T207] Call Trace:
[    9.735801][  T207]  <TASK>
[    9.735872][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.736013][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.736124][  T207]  __dev_notify_flags (net/core/dev.c:9787)
[    9.736272][  T207]  ? netif_change_name (net/core/dev.c:1495)
[    9.736472][  T207]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.736610][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.736758][  T207]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.736906][  T207]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.737047][  T207]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.737189][  T207]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.737338][  T207]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.737543][  T207]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.737686][  T207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.737831][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.737969][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.738113][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.738252][  T207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.738388][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.738591][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.738739][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.738877][  T207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.739014][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.739155][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.739293][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.739492][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.739629][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.739774][  T207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.739936][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.740084][  T207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.740227][  T207]  ? 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))
[    9.740365][  T207]  ? 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))
[    9.740577][  T207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.740727][  T207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.740866][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.741006][  T207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.741150][  T207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.741308][  T207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.741514][  T207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.741654][  T207]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.741797][  T207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.741969][  T207]  ? move_addr_to_kernel (net/socket.c:258)
[    9.742117][  T207]  ___sys_sendmsg (net/socket.c:2752)
[    9.742256][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.742454][  T207]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.742601][  T207]  ? 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))
[    9.742745][  T207]  __sys_sendmsg (net/socket.c:2784)
[    9.742884][  T207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.743026][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.743204][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.743346][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.743544][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.743683][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.743829][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.744001][  T207] RIP: 0033:0x7f93d2e2908e
[    9.744152][  T207] 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
[    9.744731][  T207] RSP: 002b:00007ffd60b7a940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.744951][  T207] RAX: ffffffffffffffda RBX: 00007ffd60b7b0d8 RCX: 00007f93d2e2908e
[    9.745166][  T207] RDX: 0000000000000000 RSI: 00007ffd60b7a9f0 RDI: 0000000000000005
[    9.745371][  T207] RBP: 00007ffd60b7a950 R08: 0000000000000000 R09: 0000000000000000
[    9.745633][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc08


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