======================================
| xx__-> [    9.095264][  T186] ------------[ cut here ]------------
| [    9.095618][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [    9.095949][  T186] Modules linked in: veth
| [    9.096584][  T186] Tainted: [W]=WARN
[    9.096841][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.097079][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.097326][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.097995][  T186] RSP: 0018:ffa00000008e6e30 EFLAGS: 00010286
[    9.098222][  T186] RAX: 00000000ffffffa6 RBX: ff1100000aaac3c0 RCX: 1ff400000011cd8c
[    9.098482][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aaac478
[    9.098916][  T186] RBP: ff11000008331000 R08: 1fe2200001555890 R09: ff1100000d015180
[    9.099172][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.099434][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ab7b880
[    9.099708][  T186] FS:  00007f9959433840(0000) GS:ff110000790b0000(0000) knlGS:0000000000000000
[    9.100018][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.100243][  T186] CR2: 000000000042ebe0 CR3: 000000000c7ad005 CR4: 0000000000771ef0
[    9.100501][  T186] PKRU: 55555554
[    9.100667][  T186] Call Trace:
[    9.100834][  T186]  <TASK>
[    9.100955][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.101183][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.101376][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.101534][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.101749][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.102033][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.102222][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.102411][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.102611][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.102824][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.103112][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.103303][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.103492][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.103798][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.103991][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.104283][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.104709][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.104914][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.105104][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.105313][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.105502][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.105814][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.106004][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.106294][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.106487][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.106690][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.106987][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.107176][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.107466][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.107675][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.107975][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.108164][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.108451][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.108650][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.108854][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.109053][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.109243][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.109432][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.109639][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.109936][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.110142][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.110431][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.110634][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.110935][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.111127][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.111412][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.111612][  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))
[    9.111821][  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))
[    9.112016][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.112207][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.112397][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.112597][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.112808][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.113001][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.113291][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.113482][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.113682][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.114012][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.114207][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.114490][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.114799][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.115001][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.115191][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.115380][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.115574][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.115791][  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)
[    9.116075][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.116270][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.116557][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.116771][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.116961][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.117152][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.117377][  T186] RIP: 0033:0x7f995966d08e
[    9.117798][  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
[    9.118443][  T186] RSP: 002b:00007fffce638a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.118820][  T186] RAX: ffffffffffffffda RBX: 00007fffce639198 RCX: 00007f995966d08e
[    9.119267][  T186] RDX: 0000000000000000 RSI: 00007fffce638ab0 RDI: 0000000000000005
[    9.119528][  T186] RBP: 00007fffce638a10 R08: 0000000000000000 R09: 0000000000000000
[    9.119815][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9e0
[    9.120074][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffce639170
| [    9.137156][  T186] ------------[ cut here ]------------
| [    9.137368][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [    9.137664][  T186] Modules linked in: veth
| [    9.138822][  T186] Tainted: [W]=WARN
[    9.138972][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.139189][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.139413][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.139967][  T186] RSP: 0018:ffa00000008e71b0 EFLAGS: 00010286
[    9.140188][  T186] RAX: 00000000ffffffa6 RBX: ff11000009b5c040 RCX: 1ff400000011cdfc
[    9.140438][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b5c0f8
[    9.140702][  T186] RBP: ff1100000a264000 R08: 1fe220000136b820 R09: ff1100000d015180
[    9.140961][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.141212][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.141465][  T186] FS:  00007f9959433840(0000) GS:ff110000790b0000(0000) knlGS:0000000000000000
[    9.141775][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.141995][  T186] CR2: 000000000042ebe0 CR3: 000000000c7ad005 CR4: 0000000000771ef0
[    9.142251][  T186] PKRU: 55555554
[    9.142400][  T186] Call Trace:
[    9.142551][  T186]  <TASK>
[    9.142679][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.142882][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.143038][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.143226][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.143417][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.143609][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.143820][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.144007][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.144194][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.144378][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.144568][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.144780][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.144972][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.145158][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.145342][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.145530][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.145725][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.145921][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.146112][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.146302][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.146487][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.146684][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.146882][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.147066][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.147252][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.147436][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.147640][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.147841][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.148027][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.148215][  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))
[    9.148398][  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))
[    9.148595][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.148801][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.148986][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.149175][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.149362][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.149551][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.149760][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.149946][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.150130][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.150347][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.150544][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.150752][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.150936][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.151134][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.151320][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.151505][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.151703][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.151915][  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)
[    9.152102][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.152291][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.152478][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.152676][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.152874][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.153062][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.153279][  T186] RIP: 0033:0x7f995966d08e
[    9.153471][  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
[    9.154027][  T186] RSP: 002b:00007fffce638a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.154281][  T186] RAX: ffffffffffffffda RBX: 00007fffce639198 RCX: 00007f995966d08e
[    9.154536][  T186] RDX: 0000000000000000 RSI: 00007fffce638ab0 RDI: 0000000000000005
[    9.154810][  T186] RBP: 00007fffce638a10 R08: 0000000000000000 R09: 0000000000000000
[    9.155061][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9e0
[    9.155310][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffce639170
| [    9.276650][  T191] ------------[ cut here ]------------
| [    9.277081][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/191
| [    9.277369][  T191] Modules linked in: veth
| [    9.277788][  T191] Tainted: [W]=WARN
[    9.277895][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.278077][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.278271][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.278800][  T191] RSP: 0018:ffa0000000856e30 EFLAGS: 00010286
[    9.278984][  T191] RAX: 00000000ffffffa6 RBX: ff11000008a523c0 RCX: 1ff400000010ad8c
[    9.279205][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a52478
[    9.279419][  T191] RBP: ff11000002554000 R08: 1fe220000114a490 R09: ff1100000d25d180
[    9.279639][  T191] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.279854][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bd7c400
[    9.280084][  T191] FS:  00007f181c76c840(0000) GS:ff11000078fb0000(0000) knlGS:0000000000000000
[    9.280334][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.280513][  T191] CR2: 000000000042ebe0 CR3: 000000000d9a4003 CR4: 0000000000771ef0
[    9.280739][  T191] PKRU: 55555554
[    9.280846][  T191] Call Trace:
[    9.280958][  T191]  <TASK>
[    9.281035][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.281178][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.281287][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.281463][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.281607][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.281757][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.281900][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.282040][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.282182][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.282327][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.282469][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.282614][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.282765][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.282907][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.283050][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[    9.283192][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.283379][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.283522][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.283666][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.283829][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.283970][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.284116][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.284260][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.284402][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.284548][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.284697][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.284842][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.284982][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.285129][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.285275][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.285416][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.285560][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.285706][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.285850][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.285990][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.286137][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.286278][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.286417][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.286561][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.286708][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.286852][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.286994][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.287134][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.287274][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.287414][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.287558][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.287705][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.287851][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.287993][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.288137][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.288281][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.288426][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.288570][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.288718][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.288866][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.289006][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.289145][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.289319][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.289463][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.289604][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.289773][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.289929][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.290072][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.290215][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.290360][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.290501][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.290652][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.290797][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.290937][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.291079][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.291253][  T191] RIP: 0033:0x7f181c9a608e
[    9.291401][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.291910][  T191] RSP: 002b:00007ffebfd3f4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.292121][  T191] RAX: ffffffffffffffda RBX: 00007ffebfd3fc58 RCX: 00007f181c9a608e
[    9.292333][  T191] RDX: 0000000000000000 RSI: 00007ffebfd3f570 RDI: 0000000000000005
[    9.292547][  T191] RBP: 00007ffebfd3f4d0 R08: 0000000000000000 R09: 0000000000000000
[    9.292765][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9e0
[    9.292975][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebfd3fc30
| [    9.303777][  T191] ------------[ cut here ]------------
| [    9.303927][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/191
| [    9.304167][  T191] Modules linked in: veth
| [    9.304550][  T191] Tainted: [W]=WARN
[    9.304663][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.304841][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.305022][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.305504][  T191] RSP: 0018:ffa00000008571b0 EFLAGS: 00010286
[    9.305684][  T191] RAX: 00000000ffffffa6 RBX: ff1100000939d1c0 RCX: 1ff400000010adfc
[    9.305951][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000939d278
[    9.306173][  T191] RBP: ff110000052c4000 R08: 1fe2200001273a50 R09: ff1100000d25d180
[    9.306380][  T191] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.306597][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.306886][  T191] FS:  00007f181c76c840(0000) GS:ff11000078fb0000(0000) knlGS:0000000000000000
[    9.307238][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.307411][  T191] CR2: 000000000042ebe0 CR3: 000000000d9a4003 CR4: 0000000000771ef0
[    9.307617][  T191] PKRU: 55555554
[    9.307722][  T191] Call Trace:
[    9.307922][  T191]  <TASK>
[    9.307994][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.308136][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.308240][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.308379][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.308516][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.308660][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.308893][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.309034][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.309172][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.309308][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.309445][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.309590][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.309813][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.309963][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.310105][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.310247][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.310382][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.310519][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.310958][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.311104][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.311241][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.311378][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.311535][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.311679][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.311905][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.312044][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.312182][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.312322][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.312458][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.312602][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.312821][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.312961][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.313100][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.313237][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.313375][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.313511][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.313657][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.313850][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.313988][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.314125][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.314315][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.314456][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.314595][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.314789][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.314955][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.315098][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.315239][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.315381][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.315520][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.315685][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.315850][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.315985][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.316123][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.316293][  T191] RIP: 0033:0x7f181c9a608e
[    9.316434][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.316986][  T191] RSP: 002b:00007ffebfd3f4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.317195][  T191] RAX: ffffffffffffffda RBX: 00007ffebfd3fc58 RCX: 00007f181c9a608e
[    9.317412][  T191] RDX: 0000000000000000 RSI: 00007ffebfd3f570 RDI: 0000000000000005
[    9.317618][  T191] RBP: 00007ffebfd3f4d0 R08: 0000000000000000 R09: 0000000000000000
[    9.317836][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9e0
[    9.318045][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebfd3fc30
| [    9.535555][  T201] ------------[ cut here ]------------
| [    9.535779][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201
| [    9.536036][  T201] Modules linked in: veth
| [    9.536437][  T201] Tainted: [W]=WARN
[    9.536548][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.536727][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.536976][  T201] 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
[    9.537478][  T201] RSP: 0018:ffa0000000776e30 EFLAGS: 00010286
[    9.537662][  T201] RAX: 00000000ffffffa6 RBX: ff11000008a523c0 RCX: 1ff40000000eed8c
[    9.537933][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a52478
[    9.538175][  T201] RBP: ff1100000d301000 R08: 1fe220000114a490 R09: ff1100000c7a0b80
[    9.538387][  T201] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.538598][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bdd3180
[    9.538818][  T201] FS:  00007f6d9b48f840(0000) GS:ff11000079130000(0000) knlGS:0000000000000000
[    9.539065][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.539242][  T201] CR2: 000000000042ebe0 CR3: 000000000db53006 CR4: 0000000000771ef0
[    9.539452][  T201] PKRU: 55555554
[    9.539559][  T201] Call Trace:
[    9.539669][  T201]  <TASK>
[    9.539746][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.539887][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.540026][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.540134][  T201]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.540275][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.540415][  T201]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.540555][  T201]  ? 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)
[    9.540697][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.540841][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.540978][  T201]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.541116][  T201]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.541256][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.541397][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.541536][  T201]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.541678][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.541818][  T201]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.541956][  T201]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.542096][  T201] veth_newlink (drivers/net/veth.c:1871) veth
[    9.542237][  T201]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.542408][  T201]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.542551][  T201]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.542694][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.542853][  T201]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.542993][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.543132][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.543269][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.543411][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.543553][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.543804][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.543940][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.544079][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.544222][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.544363][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.544503][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.544648][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.544791][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.544930][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.545068][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.545210][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.545350][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.545488][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.545629][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.545776][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.545913][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.546054][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.546191][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.546330][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.546468][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.546609][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.546761][  T201]  ? 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))
[    9.546898][  T201]  ? 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))
[    9.547039][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.547178][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.547317][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.547458][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.547600][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.547748][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.547889][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.548027][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.548165][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.548337][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.548481][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.548621][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.548770][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.548917][  T201]  ? 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))
[    9.549059][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.549200][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.549341][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.549481][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.549623][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.549773][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.549913][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.550052][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.550223][  T201] RIP: 0033:0x7f6d9b6c908e
[    9.550369][  T201] 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
[    9.550874][  T201] RSP: 002b:00007fff4c4dbf30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.551081][  T201] RAX: ffffffffffffffda RBX: 00007fff4c4dc6c8 RCX: 00007f6d9b6c908e
[    9.551289][  T201] RDX: 0000000000000000 RSI: 00007fff4c4dbfe0 RDI: 0000000000000005
[    9.551496][  T201] RBP: 00007fff4c4dbf40 R08: 0000000000000000 R09: 0000000000000000
[    9.551711][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9e0
[    9.551922][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4c4dc6a0
| [    9.561505][  T201] ------------[ cut here ]------------
| [    9.562767][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201
| [    9.563004][  T201] Modules linked in: veth
| [    9.563386][  T201] Tainted: [W]=WARN
[    9.563487][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.563664][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.563891][  T201] 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
[    9.564390][  T201] RSP: 0018:ffa00000007771b0 EFLAGS: 00010286
[    9.564567][  T201] RAX: 00000000ffffffa6 RBX: ff1100000939c200 RCX: 1ff40000000eedfc
[    9.564780][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000939c2b8
[    9.564983][  T201] RBP: ff1100000c701000 R08: 1fe2200001273858 R09: ff1100000c7a0b80
[    9.565186][  T201] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.565389][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.565597][  T201] FS:  00007f6d9b48f840(0000) GS:ff11000079130000(0000) knlGS:0000000000000000
[    9.565843][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.566015][  T201] CR2: 000000000042ebe0 CR3: 000000000db53006 CR4: 0000000000771ef0
[    9.566217][  T201] PKRU: 55555554
[    9.566319][  T201] Call Trace:
[    9.566419][  T201]  <TASK>
[    9.566489][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.566637][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.566747][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.566886][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.567023][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.567159][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.567299][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.567438][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.567580][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.567720][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.567860][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.568001][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.568141][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.568279][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.568413][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.568551][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.569361][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.569495][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.569642][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.569782][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.569917][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.570053][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.570187][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.570324][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.570461][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.570598][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.570743][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.570878][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.571017][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.571156][  T201]  ? 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))
[    9.571293][  T201]  ? 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))
[    9.571432][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.571570][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.571710][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.571848][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.571984][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.572120][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.572261][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.572396][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.572534][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.572706][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.572851][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.572985][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.573120][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.573266][  T201]  ? 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))
[    9.573408][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.573547][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.573692][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.573833][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.573969][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.574105][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.574241][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.574378][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.574550][  T201] RIP: 0033:0x7f6d9b6c908e
[    9.574696][  T201] 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
[    9.575177][  T201] RSP: 002b:00007fff4c4dbf30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.575381][  T201] RAX: ffffffffffffffda RBX: 00007fff4c4dc6c8 RCX: 00007f6d9b6c908e
[    9.575584][  T201] RDX: 0000000000000000 RSI: 00007fff4c4dbfe0 RDI: 0000000000000005
[    9.575799][  T201] RBP: 00007fff4c4dbf40 R08: 0000000000000000 R09: 0000000000000000
[    9.575997][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9e0


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