======================================
| xx__-> [    8.949743][  T186] ------------[ cut here ]------------
| [    8.950021][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    8.950278][  T186] Modules linked in: veth
| [    8.950735][  T186] Tainted: [W]=WARN
[    8.950890][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.951083][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.951279][  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
[    8.951812][  T186] RSP: 0018:ffa0000000836e30 EFLAGS: 00010286
[    8.952001][  T186] RAX: 00000000ffffffa6 RBX: ff1100000915ce40 RCX: 1ff4000000106d8c
[    8.952218][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000915cef8
[    8.952437][  T186] RBP: ff11000009dd9000 R08: 1fe220000122b9e0 R09: ff11000008925180
[    8.952650][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.952920][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aacd900
[    8.953142][  T186] FS:  00007f1333004840(0000) GS:ff11000085b30000(0000) knlGS:0000000000000000
[    8.953406][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.953584][  T186] CR2: 000000000042ebe0 CR3: 00000000090be003 CR4: 0000000000771ef0
[    8.953809][  T186] PKRU: 55555554
[    8.953921][  T186] Call Trace:
[    8.954050][  T186]  <TASK>
[    8.954130][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.954324][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.954466][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.954573][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.954732][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.954877][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    8.955020][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.955169][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    8.955318][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.955462][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.955608][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.955752][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.955901][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.956044][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    8.956191][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    8.956341][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    8.956525][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.956671][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.956810][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.956972][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.957117][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.957271][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.957411][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.957556][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.957703][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.957851][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.957991][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.958138][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.958394][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.958566][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.958720][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.958863][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.959102][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.959348][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.959490][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.959648][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.959792][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.959955][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.960104][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.960253][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.960491][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.960637][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.960778][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.960926][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.961168][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.961317][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.961465][  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))
[    8.961705][  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))
[    8.961950][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.962296][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.962439][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.962581][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.962727][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.962877][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.963039][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.963289][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.963437][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.963614][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    8.963866][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    8.964006][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.964161][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.964421][  T186]  __sys_sendmsg (net/socket.c:2784)
[    8.964565][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.964720][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.964870][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.965016][  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)
[    8.965374][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.965527][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.965672][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.965814][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.965960][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.966237][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.966507][  T186] RIP: 0033:0x7f133323e08e
[    8.966868][  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
[    8.967497][  T186] RSP: 002b:00007fff23c544c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.967713][  T186] RAX: ffffffffffffffda RBX: 00007fff23c54c58 RCX: 00007f133323e08e
[    8.967927][  T186] RDX: 0000000000000000 RSI: 00007fff23c54570 RDI: 0000000000000005
[    8.968242][  T186] RBP: 00007fff23c544d0 R08: 0000000000000000 R09: 0000000000000000
[    8.968455][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb99
[    8.968766][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff23c54c30
| [    8.991317][  T186] ------------[ cut here ]------------
| [    8.991536][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    8.991783][  T186] Modules linked in: veth
| [    8.992224][  T186] Tainted: [W]=WARN
[    8.992348][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.992522][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.992707][  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
[    8.993377][  T186] RSP: 0018:ffa00000008371b0 EFLAGS: 00010286
[    8.993554][  T186] RAX: 00000000ffffffa6 RBX: ff1100000bcabc40 RCX: 1ff4000000106dfc
[    8.993765][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bcabcf8
[    8.993992][  T186] RBP: ff11000009e34000 R08: 1fe22000017957a0 R09: ff11000008925180
[    8.994204][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.994416][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.994627][  T186] FS:  00007f1333004840(0000) GS:ff11000085b30000(0000) knlGS:0000000000000000
[    8.994879][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.995056][  T186] CR2: 000000000042ebe0 CR3: 00000000090be003 CR4: 0000000000771ef0
[    8.995281][  T186] PKRU: 55555554
[    8.995387][  T186] Call Trace:
[    8.995490][  T186]  <TASK>
[    8.995563][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.995706][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.995813][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    8.995961][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    8.996103][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.996247][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.996388][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.996528][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.996670][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.996809][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.996953][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.997100][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.997247][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.997386][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.997523][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.997668][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.997807][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.997950][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.998128][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.998279][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.998416][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.998554][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.998693][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.998830][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.998975][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.999118][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.999522][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.999666][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.999805][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.999950][  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))
[    9.000092][  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))
[    9.000239][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.000378][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.000517][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.000660][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.000800][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.000944][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.001087][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.001228][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.001371][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.001543][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.001686][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.001824][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.001965][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.002118][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.002265][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.002403][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.002542][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.002684][  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)
[    9.002823][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.002967][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.003108][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.003251][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.003407][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.003546][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.003719][  T186] RIP: 0033:0x7f133323e08e
[    9.003869][  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
[    9.004372][  T186] RSP: 002b:00007fff23c544c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.004581][  T186] RAX: ffffffffffffffda RBX: 00007fff23c54c58 RCX: 00007f133323e08e
[    9.004787][  T186] RDX: 0000000000000000 RSI: 00007fff23c54570 RDI: 0000000000000005
[    9.004994][  T186] RBP: 00007fff23c544d0 R08: 0000000000000000 R09: 0000000000000000
[    9.005203][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb99
[    9.005412][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff23c54c30
| [    9.167245][  T194] ------------[ cut here ]------------
| [    9.167432][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/194
| [    9.167690][  T194] Modules linked in: veth
| [    9.168103][  T194] Tainted: [W]=WARN
[    9.168213][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.168399][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.168584][  T194] 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
[    9.169095][  T194] RSP: 0018:ffa0000000866e30 EFLAGS: 00010286
[    9.169281][  T194] RAX: 00000000ffffffa6 RBX: ff1100000d978900 RCX: 1ff400000010cd8c
[    9.169494][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d9789b8
[    9.169707][  T194] RBP: ff1100000c771000 R08: 1fe2200001b2f138 R09: ff1100000cbc0b80
[    9.169923][  T194] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.170138][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d9fea80
[    9.170361][  T194] FS:  00007f57a52ea840(0000) GS:ff11000085b30000(0000) knlGS:0000000000000000
[    9.170612][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.170791][  T194] CR2: 00007f57a5651f6d CR3: 000000000cd43006 CR4: 0000000000771ef0
[    9.171008][  T194] PKRU: 55555554
[    9.171119][  T194] Call Trace:
[    9.171227][  T194]  <TASK>
[    9.171309][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.171456][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.171565][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.171773][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.171923][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.172090][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.172242][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.172389][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.172532][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.172690][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.172839][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.172990][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.173138][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.173285][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.173429][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.173572][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.173747][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.173893][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.174032][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.174191][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.174342][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.174485][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.174628][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.174772][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.174919][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.175065][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.175205][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.175354][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.175500][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.175646][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.175787][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.175930][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.176073][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.176215][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.176363][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.176508][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.176653][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.176795][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.176941][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.177087][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.177230][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.177379][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.177518][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.177665][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.177810][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.177958][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.178106][  T194]  ? 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))
[    9.178257][  T194]  ? 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))
[    9.178401][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.178546][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.178696][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.178840][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.178989][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.179150][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.179301][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.179444][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.179586][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.179763][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.179915][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.180059][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.180200][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.180357][  T194]  ? 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))
[    9.180500][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.180641][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.180785][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.180930][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.181074][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.181214][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.181362][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.181503][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.181679][  T194] RIP: 0033:0x7f57a552408e
[    9.181826][  T194] 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
[    9.182342][  T194] RSP: 002b:00007ffe3e50d810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.182552][  T194] RAX: ffffffffffffffda RBX: 00007ffe3e50dfa8 RCX: 00007f57a552408e
[    9.182762][  T194] RDX: 0000000000000000 RSI: 00007ffe3e50d8c0 RDI: 0000000000000005
[    9.182975][  T194] RBP: 00007ffe3e50d820 R08: 0000000000000000 R09: 0000000000000000
[    9.183189][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb99
[    9.183403][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3e50df80
| [    9.203345][  T194] ------------[ cut here ]------------
| [    9.203549][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/194
| [    9.203837][  T194] Modules linked in: veth
| [    9.204356][  T194] Tainted: [W]=WARN
[    9.204507][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.204730][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.205320][  T194] 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
[    9.205868][  T194] RSP: 0018:ffa00000008671b0 EFLAGS: 00010286
[    9.206094][  T194] RAX: 00000000ffffffa6 RBX: ff1100000d9d9380 RCX: 1ff400000010cdfc
[    9.206353][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d9d9438
[    9.206602][  T194] RBP: ff1100000cbd4000 R08: 1fe2200001b3b288 R09: ff1100000cbc0b80
[    9.206865][  T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.207119][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.207377][  T194] FS:  00007f57a52ea840(0000) GS:ff11000085ab0000(0000) knlGS:0000000000000000
[    9.207662][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.207892][  T194] CR2: 000055e433ba46c0 CR3: 000000000cd43001 CR4: 0000000000771ef0
[    9.208148][  T194] PKRU: 55555554
[    9.208305][  T194] Call Trace:
[    9.208457][  T194]  <TASK>
[    9.208575][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.208763][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.208933][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.209127][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.209316][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.209500][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.209687][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.209884][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.210073][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.210267][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.210451][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.210640][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.210828][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.211028][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.211215][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.211410][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.211593][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.211779][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.211980][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.212174][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.212368][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.212554][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.212738][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.212931][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.213124][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.213316][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.213505][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.213692][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.213890][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.214082][  T194]  ? 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))
[    9.214272][  T194]  ? 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))
[    9.214460][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.214660][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.214861][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.215048][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.215250][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.215440][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.215629][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.215814][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.216010][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.216247][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.216439][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.216622][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.216807][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.217009][  T194]  ? 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))
[    9.217206][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.217403][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.217595][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.217782][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.217982][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.218176][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.218372][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.218558][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.218780][  T194] RIP: 0033:0x7f57a552408e
[    9.218985][  T194] 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
[    9.219535][  T194] RSP: 002b:00007ffe3e50d810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.219789][  T194] RAX: ffffffffffffffda RBX: 00007ffe3e50dfa8 RCX: 00007f57a552408e
[    9.220056][  T194] RDX: 0000000000000000 RSI: 00007ffe3e50d8c0 RDI: 0000000000000005
[    9.220326][  T194] RBP: 00007ffe3e50d820 R08: 0000000000000000 R09: 0000000000000000
[    9.220579][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb99
[    9.220834][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3e50df80
| [    9.466751][  T200] ------------[ cut here ]------------
| [    9.466949][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.467216][  T200] Modules linked in: veth
| [    9.467639][  T200] Tainted: [W]=WARN
[    9.467750][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.467938][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.468141][  T200] 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
[    9.468672][  T200] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[    9.469042][  T200] RAX: 00000000ffffffa6 RBX: ff11000004b17a80 RCX: 1ff4000000110d8c
[    9.469265][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b17b38
[    9.469491][  T200] RBP: ff11000009cec000 R08: 1fe2200000962f68 R09: ff1100000cd65180
[    9.469724][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.469950][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bde7500
[    9.470403][  T200] FS:  00007fa76e2e4840(0000) GS:ff110000859b0000(0000) knlGS:0000000000000000
[    9.470670][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.470875][  T200] CR2: 000055e449e24058 CR3: 000000000c8ac002 CR4: 0000000000771ef0
[    9.471102][  T200] PKRU: 55555554
[    9.471209][  T200] Call Trace:
[    9.471323][  T200]  <TASK>
[    9.471402][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.471552][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.471700][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.471810][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.471967][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.472118][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.472271][  T200]  ? 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)
[    9.472415][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.472557][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.472700][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.472840][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.472990][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.473139][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.473288][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.473437][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.473582][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.473728][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.473880][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.474027][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.474207][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.474358][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.474504][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.474665][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.474808][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.474960][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.475108][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.475257][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.475400][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.475543][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.475687][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.475830][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.475986][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.476141][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.476290][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.476435][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.476577][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.476718][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.476864][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.477011][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.477158][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.477307][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.477448][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.477595][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.477738][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.477887][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.478032][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.478178][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.478330][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.478473][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.478619][  T200]  ? 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))
[    9.478760][  T200]  ? 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))
[    9.478909][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.479054][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.479200][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.479346][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.479490][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.479634][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.479779][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.479928][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.480071][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.480251][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.480403][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.480556][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.480706][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.480863][  T200]  ? 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))
[    9.481013][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.481162][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.481315][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.481458][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.481600][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.481742][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.481891][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.482034][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.482213][  T200] RIP: 0033:0x7fa76e51e08e
[    9.482374][  T200] 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
[    9.482887][  T200] RSP: 002b:00007ffc6aa2dfd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.483103][  T200] RAX: ffffffffffffffda RBX: 00007ffc6aa2e768 RCX: 00007fa76e51e08e
[    9.483338][  T200] RDX: 0000000000000000 RSI: 00007ffc6aa2e080 RDI: 0000000000000005
[    9.483552][  T200] RBP: 00007ffc6aa2dfe0 R08: 0000000000000000 R09: 0000000000000000
[    9.483767][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb99
[    9.483984][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6aa2e740
| [    9.492721][  T200] ------------[ cut here ]------------
| [    9.492879][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.493122][  T200] Modules linked in: veth
| [    9.493512][  T200] Tainted: [W]=WARN
[    9.493615][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.493785][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.493972][  T200] 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
[    9.494471][  T200] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[    9.494643][  T200] RAX: 00000000ffffffa6 RBX: ff1100000b651540 RCX: 1ff4000000110dfc
[    9.494853][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b6515f8
[    9.495063][  T200] RBP: ff1100000c704000 R08: 1fe22000016ca2c0 R09: ff1100000cd65180
[    9.495273][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.495477][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.495682][  T200] FS:  00007fa76e2e4840(0000) GS:ff110000859b0000(0000) knlGS:0000000000000000
[    9.495927][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.496103][  T200] CR2: 000055e449e24058 CR3: 000000000c8ac002 CR4: 0000000000771ef0
[    9.496314][  T200] PKRU: 55555554
[    9.496422][  T200] Call Trace:
[    9.496525][  T200]  <TASK>
[    9.496596][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.496737][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.496850][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.496990][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.497132][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.497274][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.497413][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.497551][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.497690][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.497828][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.497974][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.498121][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.498268][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.498407][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.498544][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.498682][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.498820][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.498964][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.499107][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.499251][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.499388][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.499524][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.499665][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.499801][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.499948][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.500090][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.500230][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.500371][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.500509][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.500650][  T200]  ? 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))
[    9.500787][  T200]  ? 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))
[    9.500930][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.501073][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.501211][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.501355][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.501494][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.501633][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.501772][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.501920][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.502063][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.502241][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.502384][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.502521][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.502660][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.502808][  T200]  ? 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))
[    9.502953][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.503097][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.503245][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.503385][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.503523][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.503661][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.503799][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.503949][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.504124][  T200] RIP: 0033:0x7fa76e51e08e
[    9.504274][  T200] 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
[    9.504766][  T200] RSP: 002b:00007ffc6aa2dfd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.504978][  T200] RAX: ffffffffffffffda RBX: 00007ffc6aa2e768 RCX: 00007fa76e51e08e
[    9.505191][  T200] RDX: 0000000000000000 RSI: 00007ffc6aa2e080 RDI: 0000000000000005
[    9.505406][  T200] RBP: 00007ffc6aa2dfe0 R08: 0000000000000000 R09: 0000000000000000
[    9.505612][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb99
[    9.505818][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6aa2e740
| [    9.665032][  T206] ------------[ cut here ]------------
| [    9.665276][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/206
| [    9.665594][  T206] Modules linked in: veth
| [    9.666134][  T206] Tainted: [W]=WARN
[    9.666305][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.666539][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.666781][  T206] 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
[    9.667368][  T206] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[    9.667599][  T206] RAX: 00000000ffffffa6 RBX: ff1100000d9d9540 RCX: 1ff4000000110d8c
[    9.667875][  T206] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d9d95f8
[    9.668145][  T206] RBP: ff11000007f3c000 R08: 1fe2200001b3b2c0 R09: ff110000095b8b80
[    9.668416][  T206] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.668676][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000da48400
[    9.668952][  T206] FS:  00007fdbf7576840(0000) GS:ff11000085ab0000(0000) knlGS:0000000000000000
[    9.669270][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.669523][  T206] CR2: 00007fdbf79d6430 CR3: 000000000cf4c005 CR4: 0000000000771ef0
[    9.669790][  T206] PKRU: 55555554
[    9.669960][  T206] Call Trace:
[    9.670125][  T206]  <TASK>
[    9.670257][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.670454][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.670651][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.670813][  T206]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.671022][  T206]  __dev_notify_flags (net/core/dev.c:9787)
[    9.671231][  T206]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.671433][  T206]  ? 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)
[    9.671631][  T206]  ? netif_change_name (net/core/dev.c:1495)
[    9.671824][  T206]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.672033][  T206]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.672231][  T206]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.672439][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.672637][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.672831][  T206]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.673074][  T206]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.673279][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.673474][  T206]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.673671][  T206] veth_newlink (drivers/net/veth.c:1871) veth
[    9.673890][  T206]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.674125][  T206]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.674329][  T206]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.674522][  T206]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.674747][  T206]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.674955][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.675161][  T206]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.675365][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.675560][  T206]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.675758][  T206]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.675971][  T206]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.676175][  T206]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.676382][  T206]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.676584][  T206]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.676784][  T206]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.676991][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.677193][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.677427][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.677620][  T206]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.677810][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.678020][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.678223][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.678429][  T206]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.678626][  T206]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.678818][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.679025][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.679225][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.679426][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.679621][  T206]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.679812][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.680016][  T206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.680221][  T206]  ? 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))
[    9.680421][  T206]  ? 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))
[    9.680616][  T206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.680812][  T206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.681049][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.681259][  T206]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.681456][  T206]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.681658][  T206]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.681872][  T206]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.682069][  T206]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.682275][  T206]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.682500][  T206]  ? move_addr_to_kernel (net/socket.c:258)
[    9.682699][  T206]  ___sys_sendmsg (net/socket.c:2752)
[    9.682900][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.683099][  T206]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.683315][  T206]  ? 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))
[    9.683513][  T206]  __sys_sendmsg (net/socket.c:2784)
[    9.683708][  T206]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.683919][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.684120][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.684352][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.684548][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.684743][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.684958][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.685244][  T206] RIP: 0033:0x7fdbf77b008e
[    9.685448][  T206] 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
[    9.686053][  T206] RSP: 002b:00007ffe0d95b720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.686335][  T206] RAX: ffffffffffffffda RBX: 00007ffe0d95beb8 RCX: 00007fdbf77b008e
[    9.686600][  T206] RDX: 0000000000000000 RSI: 00007ffe0d95b7d0 RDI: 0000000000000005
[    9.686878][  T206] RBP: 00007ffe0d95b730 R08: 0000000000000000 R09: 0000000000000000
[    9.687153][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb99
[    9.687423][  T206] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0d95be90
| [    9.698251][  T206] ------------[ cut here ]------------
| [    9.698446][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/206
| [    9.698741][  T206] Modules linked in: veth
| [    9.699361][  T206] Tainted: [W]=WARN
[    9.699513][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.699736][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.699982][  T206] 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
[    9.700549][  T206] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[    9.700783][  T206] RAX: 00000000ffffffa6 RBX: ff1100000b534200 RCX: 1ff4000000110dfc
[    9.701054][  T206] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b5342b8
[    9.701334][  T206] RBP: ff11000009dc4000 R08: 1fe22000016a6858 R09: ff110000095b8b80
[    9.701592][  T206] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.701863][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.702128][  T206] FS:  00007fdbf7576840(0000) GS:ff11000085ab0000(0000) knlGS:0000000000000000
[    9.702434][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.702661][  T206] CR2: 00007fdbf79d6430 CR3: 000000000cf4c005 CR4: 0000000000771ef0
[    9.702935][  T206] PKRU: 55555554
[    9.703093][  T206] Call Trace:
[    9.703257][  T206]  <TASK>
[    9.703381][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.703576][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.703736][  T206]  __dev_notify_flags (net/core/dev.c:9787)
[    9.703937][  T206]  ? netif_change_name (net/core/dev.c:1495)
[    9.704136][  T206]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.704336][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.704530][  T206]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.704724][  T206]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.704957][  T206]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.705158][  T206]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.705355][  T206]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.705563][  T206]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.705760][  T206]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.705963][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.706163][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.706364][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.706551][  T206]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.706741][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.706951][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.707149][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.707351][  T206]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.707542][  T206]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.707734][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.707931][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.708131][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.708328][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.708521][  T206]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.708740][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.708943][  T206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.709144][  T206]  ? 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))
[    9.709342][  T206]  ? 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))
[    9.709531][  T206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.709720][  T206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.709920][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.710116][  T206]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.710314][  T206]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.710501][  T206]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.710701][  T206]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.710904][  T206]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.711120][  T206]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.711353][  T206]  ? move_addr_to_kernel (net/socket.c:258)
[    9.711547][  T206]  ___sys_sendmsg (net/socket.c:2752)
[    9.711735][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.711932][  T206]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.712141][  T206]  ? 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))
[    9.712341][  T206]  __sys_sendmsg (net/socket.c:2784)
[    9.712529][  T206]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.712719][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.712920][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.713115][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.713311][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.713499][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.713690][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.713925][  T206] RIP: 0033:0x7fdbf77b008e
[    9.714129][  T206] 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
[    9.714669][  T206] RSP: 002b:00007ffe0d95b720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.714941][  T206] RAX: ffffffffffffffda RBX: 00007ffe0d95beb8 RCX: 00007fdbf77b008e
[    9.715204][  T206] RDX: 0000000000000000 RSI: 00007ffe0d95b7d0 RDI: 0000000000000005
[    9.715463][  T206] RBP: 00007ffe0d95b730 R08: 0000000000000000 R09: 0000000000000000
[    9.715715][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb99
[    9.715984][  T206] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0d95be90
| [    9.876728][  T214] ------------[ cut here ]------------
| [    9.876917][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/214
| [    9.877175][  T214] Modules linked in: veth
| [    9.877603][  T214] Tainted: [W]=WARN
[    9.877714][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.877902][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.878106][  T214] 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
[    9.878627][  T214] RSP: 0018:ffa0000000836e30 EFLAGS: 00010286
[    9.878810][  T214] RAX: 00000000ffffffa6 RBX: ff11000008db83c0 RCX: 1ff4000000106d8c
[    9.879769][  T214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008db8478
[    9.880086][  T214] RBP: ff1100000ce3c000 R08: 1fe22000011b7090 R09: ff1100000cbc2e80
[    9.880310][  T214] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.880524][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aa01900
[    9.880745][  T214] FS:  00007f7948405840(0000) GS:ff110000859b0000(0000) knlGS:0000000000000000
[    9.881081][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.881350][  T214] CR2: 000000000042ebe0 CR3: 000000000c88a004 CR4: 0000000000771ef0
[    9.881565][  T214] PKRU: 55555554
[    9.881676][  T214] Call Trace:
[    9.881787][  T214]  <TASK>
[    9.881867][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.882015][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.882167][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.882283][  T214]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.882426][  T214]  __dev_notify_flags (net/core/dev.c:9787)
[    9.882569][  T214]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.882711][  T214]  ? 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)
[    9.882859][  T214]  ? netif_change_name (net/core/dev.c:1495)
[    9.883000][  T214]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.883147][  T214]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.883297][  T214]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.883441][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.883584][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.883732][  T214]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.883886][  T214]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.884031][  T214]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.884178][  T214]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.884330][  T214] veth_newlink (drivers/net/veth.c:1871) veth
[    9.884475][  T214]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.884673][  T214]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.884824][  T214]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.884973][  T214]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.885138][  T214]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.885294][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.885442][  T214]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.885586][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.885731][  T214]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.885884][  T214]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.886029][  T214]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.886174][  T214]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.886323][  T214]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.886473][  T214]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.886623][  T214]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.886768][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.886916][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.887062][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.887206][  T214]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.887357][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.887503][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.887649][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.887793][  T214]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.887945][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.888093][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.888243][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.888390][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.888532][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.888679][  T214]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.888821][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.888970][  T214]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.889123][  T214]  ? 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))
[    9.889273][  T214]  ? 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))
[    9.889419][  T214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.889566][  T214]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.889711][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.889861][  T214]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.890005][  T214]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.890155][  T214]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.890308][  T214]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.890462][  T214]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.890609][  T214]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.890785][  T214]  ? move_addr_to_kernel (net/socket.c:258)
[    9.890936][  T214]  ___sys_sendmsg (net/socket.c:2752)
[    9.891083][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.891227][  T214]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.891386][  T214]  ? 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))
[    9.891532][  T214]  __sys_sendmsg (net/socket.c:2784)
[    9.891678][  T214]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.891826][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.891976][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.892125][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.892275][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.892423][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.892568][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.892749][  T214] RIP: 0033:0x7f794863f08e
[    9.892906][  T214] 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
[    9.893425][  T214] RSP: 002b:00007ffc1abefe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.893644][  T214] RAX: ffffffffffffffda RBX: 00007ffc1abf0618 RCX: 00007f794863f08e
[    9.893861][  T214] RDX: 0000000000000000 RSI: 00007ffc1abeff30 RDI: 0000000000000005
[    9.894077][  T214] RBP: 00007ffc1abefe90 R08: 0000000000000000 R09: 0000000000000000
[    9.894299][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb9a
[    9.894513][  T214] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1abf05f0
| [    9.909384][  T214] ------------[ cut here ]------------
| [    9.909564][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/214
| [    9.909829][  T214] Modules linked in: veth
| [    9.910241][  T214] Tainted: [W]=WARN
[    9.910348][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.910521][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.910708][  T214] 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
[    9.911214][  T214] RSP: 0018:ffa00000008371b0 EFLAGS: 00010286
[    9.911397][  T214] RAX: 00000000ffffffa6 RBX: ff1100000a8f1c40 RCX: 1ff4000000106dfc
[    9.911610][  T214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a8f1cf8
[    9.911818][  T214] RBP: ff1100000be69000 R08: 1fe220000151e3a0 R09: ff1100000cbc2e80
[    9.912030][  T214] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.912247][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.912457][  T214] FS:  00007f7948405840(0000) GS:ff110000859b0000(0000) knlGS:0000000000000000
[    9.912707][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.912891][  T214] CR2: 000000000042ebe0 CR3: 000000000c88a004 CR4: 0000000000771ef0
[    9.913104][  T214] PKRU: 55555554
[    9.913209][  T214] Call Trace:
[    9.913321][  T214]  <TASK>
[    9.913393][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.913538][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.913648][  T214]  __dev_notify_flags (net/core/dev.c:9787)
[    9.913790][  T214]  ? netif_change_name (net/core/dev.c:1495)
[    9.913938][  T214]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.914081][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.914226][  T214]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.914376][  T214]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.914520][  T214]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.914663][  T214]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.914802][  T214]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.914954][  T214]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.915103][  T214]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.915252][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.915392][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.915533][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.915675][  T214]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.915814][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.915964][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.916109][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.916255][  T214]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.916395][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.916535][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.916676][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.916821][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.916963][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.917105][  T214]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.917250][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.917391][  T214]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.917534][  T214]  ? 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))
[    9.917674][  T214]  ? 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))
[    9.917818][  T214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.917961][  T214]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.918103][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.918246][  T214]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.918385][  T214]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.918526][  T214]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.918669][  T214]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.918809][  T214]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.918956][  T214]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.919132][  T214]  ? move_addr_to_kernel (net/socket.c:258)
[    9.919282][  T214]  ___sys_sendmsg (net/socket.c:2752)
[    9.919421][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.919559][  T214]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.919709][  T214]  ? 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))
[    9.919858][  T214]  __sys_sendmsg (net/socket.c:2784)
[    9.919998][  T214]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.920142][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.920286][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.920426][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.920564][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.920703][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.920848][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.921023][  T214] RIP: 0033:0x7f794863f08e
[    9.921173][  T214] 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
[    9.921675][  T214] RSP: 002b:00007ffc1abefe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.921890][  T214] RAX: ffffffffffffffda RBX: 00007ffc1abf0618 RCX: 00007f794863f08e
[    9.922101][  T214] RDX: 0000000000000000 RSI: 00007ffc1abeff30 RDI: 0000000000000005
[    9.922315][  T214] RBP: 00007ffc1abefe90 R08: 0000000000000000 R09: 0000000000000000
[    9.922520][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb9a


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