======================================
| xx__-> [   11.467792][  T185] ------------[ cut here ]------------
| [   11.468040][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [   11.468347][  T185] Modules linked in: veth
| [   11.468911][  T185] Tainted: [W]=WARN
[   11.469022][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.469620][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.469845][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.470425][  T185] RSP: 0018:ffa0000000906e30 EFLAGS: 00010286
[   11.470609][  T185] RAX: 00000000ffffffa6 RBX: ff11000009a583c0 RCX: 1ff4000000120d8c
[   11.470832][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009a58478
[   11.471047][  T185] RBP: ff11000007b89000 R08: 1fe220000134b090 R09: ff11000001ee8b80
[   11.471286][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.471503][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b3c7c00
[   11.471770][  T185] FS:  00007fc9c27a0840(0000) GS:ff1100008a730000(0000) knlGS:0000000000000000
[   11.472026][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.472215][  T185] CR2: 00007fb032373808 CR3: 000000000a287003 CR4: 0000000000771ef0
[   11.472432][  T185] PKRU: 55555554
[   11.472540][  T185] Call Trace:
[   11.472648][  T185]  <TASK>
[   11.472728][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.472913][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.473065][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.473172][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.473318][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.473461][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   11.473604][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.473750][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   11.473928][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.474078][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.474246][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.474393][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.474540][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.474685][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.474830][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   11.474976][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.475160][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.475304][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.475448][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.475609][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.475787][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.475991][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.476164][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.476310][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.476453][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.476597][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.476743][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.476888][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.477036][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.477190][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.477338][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.477480][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.477623][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.477771][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.477913][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.478066][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.478209][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.478352][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.478497][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.478640][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.478801][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.478955][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.479124][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.479279][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.479459][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.479686][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.479844][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.479988][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.480171][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.480390][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.480560][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.480717][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.480905][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.481098][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.481250][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.481408][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.481553][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.481736][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   11.481885][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   11.482027][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.482177][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.482332][  T185]  __sys_sendmsg (net/socket.c:2784)
[   11.482477][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.482643][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.482855][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.483002][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.483154][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.483298][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.483443][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.483586][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.483733][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.483890][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.484137][  T185] RIP: 0033:0x7fc9c29da08e
[   11.484298][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.484813][  T185] RSP: 002b:00007ffe9b620570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.485435][  T185] RAX: ffffffffffffffda RBX: 00007ffe9b620d08 RCX: 00007fc9c29da08e
[   11.485764][  T185] RDX: 0000000000000000 RSI: 00007ffe9b620620 RDI: 0000000000000005
[   11.486001][  T185] RBP: 00007ffe9b620580 R08: 0000000000000000 R09: 0000000000000000
[   11.486223][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca37
[   11.486436][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9b620ce0
| [   11.514817][  T185] ------------[ cut here ]------------
| [   11.515131][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [   11.515502][  T185] Modules linked in: veth
| [   11.516048][  T185] Tainted: [W]=WARN
[   11.516221][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.516495][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.516771][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.517315][  T185] RSP: 0018:ffa00000009071b0 EFLAGS: 00010286
[   11.517581][  T185] RAX: 00000000ffffffa6 RBX: ff1100000af9da80 RCX: 1ff4000000120dfc
[   11.517902][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000af9db38
[   11.518347][  T185] RBP: ff110000074c1000 R08: 1fe22000015f3b68 R09: ff11000001ee8b80
[   11.518578][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.518855][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.519131][  T185] FS:  00007fc9c27a0840(0000) GS:ff1100008a630000(0000) knlGS:0000000000000000
[   11.519451][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.519694][  T185] CR2: 00007f7e9bcda000 CR3: 000000000a287004 CR4: 0000000000771ef0
[   11.519975][  T185] PKRU: 55555554
[   11.520214][  T185] Call Trace:
[   11.520383][  T185]  <TASK>
[   11.520509][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.520717][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.520828][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   11.520965][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   11.521112][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.521248][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.521388][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.521527][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.521665][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.521823][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.522026][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.522256][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.522475][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.522687][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.522841][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.522979][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.523126][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.523266][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.523407][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.523545][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.523686][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.523825][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.523962][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.524104][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.524247][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.524388][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.524525][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.524663][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.524806][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.524947][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.525090][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.525230][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.525372][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.525510][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.525649][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.525809][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.525949][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.526098][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.526242][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.526387][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.526557][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   11.526707][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   11.526893][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.527108][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.527344][  T185]  __sys_sendmsg (net/socket.c:2784)
[   11.527559][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.527861][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.528083][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.528247][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.528390][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.528530][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.528676][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.528858][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.529081][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.529301][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.529544][  T185] RIP: 0033:0x7fc9c29da08e
[   11.529773][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.530444][  T185] RSP: 002b:00007ffe9b620570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.530661][  T185] RAX: ffffffffffffffda RBX: 00007ffe9b620d08 RCX: 00007fc9c29da08e
[   11.530874][  T185] RDX: 0000000000000000 RSI: 00007ffe9b620620 RDI: 0000000000000005
[   11.531167][  T185] RBP: 00007ffe9b620580 R08: 0000000000000000 R09: 0000000000000000
[   11.531480][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca37
[   11.531773][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9b620ce0
| [   11.687046][  T191] ------------[ cut here ]------------
| [   11.687348][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/191
| [   11.687756][  T191] Modules linked in: veth
| [   11.688422][  T191] Tainted: [W]=WARN
[   11.688607][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.688904][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.689224][  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
[   11.690115][  T191] RSP: 0018:ffa0000000586e30 EFLAGS: 00010286
[   11.690414][  T191] RAX: 00000000ffffffa6 RBX: ff1100000be43000 RCX: 1ff40000000b0d8c
[   11.690809][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be430b8
[   11.691148][  T191] RBP: ff11000005839000 R08: 1fe22000017c8618 R09: ff1100000ca2d180
[   11.691491][  T191] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.691837][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b32f500
[   11.692185][  T191] FS:  00007f49f15fc840(0000) GS:ff1100008a5b0000(0000) knlGS:0000000000000000
[   11.692596][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.692939][  T191] CR2: 000000000042ebe0 CR3: 000000000c3c4001 CR4: 0000000000771ef0
[   11.693289][  T191] PKRU: 55555554
[   11.693463][  T191] Call Trace:
[   11.693639][  T191]  <TASK>
[   11.693796][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.694032][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.694210][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.694491][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   11.694731][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   11.694964][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.695194][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.695417][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.695656][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.695892][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.696130][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.696355][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.696584][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.696818][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.697047][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[   11.697311][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.697592][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.697816][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.698048][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.698317][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.698559][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.698793][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.699020][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.699255][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.699487][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.699723][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.699947][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.700179][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.700413][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.700643][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.700954][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.701202][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.701426][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.701649][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.701864][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.702094][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.702326][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.702549][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.702780][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.703005][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.703241][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.703482][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.703721][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.703967][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.704212][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.704443][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.704684][  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))
[   11.704911][  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))
[   11.705144][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.705372][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.705606][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.705839][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.706081][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.706311][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.706547][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.706775][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.706997][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.707318][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   11.707573][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   11.707807][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.708035][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.708285][  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))
[   11.708531][  T191]  __sys_sendmsg (net/socket.c:2784)
[   11.708809][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.709036][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.709272][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.709499][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.709731][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.709954][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.710194][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.710473][  T191] RIP: 0033:0x7f49f183608e
[   11.710711][  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
[   11.711502][  T191] RSP: 002b:00007ffe579dea20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.711846][  T191] RAX: ffffffffffffffda RBX: 00007ffe579df1b8 RCX: 00007f49f183608e
[   11.712193][  T191] RDX: 0000000000000000 RSI: 00007ffe579dead0 RDI: 0000000000000005
[   11.712530][  T191] RBP: 00007ffe579dea30 R08: 0000000000000000 R09: 0000000000000000
[   11.712891][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca38
[   11.713236][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe579df190
| [   11.732278][  T191] ------------[ cut here ]------------
| [   11.732543][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/191
| [   11.732930][  T191] Modules linked in: veth
| [   11.734212][  T191] Tainted: [W]=WARN
[   11.734381][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.734655][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.734952][  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
[   11.735745][  T191] RSP: 0018:ffa00000005871b0 EFLAGS: 00010286
[   11.736025][  T191] RAX: 00000000ffffffa6 RBX: ff11000009a251c0 RCX: 1ff40000000b0dfc
[   11.736362][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009a25278
[   11.736694][  T191] RBP: ff1100000c4b4000 R08: 1fe2200001344a50 R09: ff1100000ca2d180
[   11.737023][  T191] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.737362][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.737691][  T191] FS:  00007f49f15fc840(0000) GS:ff1100008a5b0000(0000) knlGS:0000000000000000
[   11.738079][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.738346][  T191] CR2: 000000000042ebe0 CR3: 000000000c3c4001 CR4: 0000000000771ef0
[   11.738671][  T191] PKRU: 55555554
[   11.738840][  T191] Call Trace:
[   11.739006][  T191]  <TASK>
[   11.739133][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.739361][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.739530][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   11.739759][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   11.739982][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.740210][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.740438][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.740662][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.740914][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.741142][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.741363][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.741596][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.741826][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.742047][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.742278][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.742501][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.742739][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.742963][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.743203][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.743425][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.743642][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.743864][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.744087][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.744307][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.744529][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.744752][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.744973][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.745203][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.745426][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.745655][  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))
[   11.745879][  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))
[   11.746113][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.746335][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.746550][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.746780][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.747002][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.747235][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.747459][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.747713][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.747931][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.748215][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   11.748447][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   11.748664][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.748891][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.749145][  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))
[   11.749370][  T191]  __sys_sendmsg (net/socket.c:2784)
[   11.749568][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.749815][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.750036][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.750267][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.750488][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.750739][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.750959][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.751242][  T191] RIP: 0033:0x7f49f183608e
[   11.751474][  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
[   11.752271][  T191] RSP: 002b:00007ffe579dea20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.752604][  T191] RAX: ffffffffffffffda RBX: 00007ffe579df1b8 RCX: 00007f49f183608e
[   11.752942][  T191] RDX: 0000000000000000 RSI: 00007ffe579dead0 RDI: 0000000000000005
[   11.753279][  T191] RBP: 00007ffe579dea30 R08: 0000000000000000 R09: 0000000000000000
[   11.753606][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca38
[   11.753936][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe579df190
| [   12.080127][  T209] ------------[ cut here ]------------
| [   12.080459][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/209
| [   12.080926][  T209] Modules linked in: veth
| [   12.082269][  T209] Tainted: [W]=WARN
[   12.082501][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.082856][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.083214][  T209] 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
[   12.084814][  T209] RSP: 0018:ffa0000000616e30 EFLAGS: 00010286
[   12.085253][  T209] RAX: 00000000ffffffa6 RBX: ff1100000af9cc80 RCX: 1ff40000000c2d8c
[   12.085836][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000af9cd38
[   12.086421][  T209] RBP: ff1100000a054000 R08: 1fe22000015f39a8 R09: ff1100000c965180
[   12.086929][  T209] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.087398][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b328780
[   12.087791][  T209] FS:  00007fb018a69840(0000) GS:ff1100008a5b0000(0000) knlGS:0000000000000000
[   12.088237][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.088582][  T209] CR2: 00007fb018dd0f6d CR3: 000000000c3c4006 CR4: 0000000000771ef0
[   12.089002][  T209] PKRU: 55555554
[   12.089204][  T209] Call Trace:
[   12.089418][  T209]  <TASK>
[   12.089557][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.089819][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.090082][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.090271][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.090513][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   12.090753][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.090990][  T209]  ? 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)
[   12.091233][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   12.091464][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.091699][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.091926][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.092169][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.092403][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.092632][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.092865][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.093103][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.093335][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.093567][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   12.093811][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.094121][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.094369][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.094638][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.094940][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.095171][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.095424][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.095667][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.095942][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.096196][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.096440][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.096665][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.096902][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.097148][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.097392][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.097616][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.097846][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.098084][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.098310][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.098532][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.098766][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.098992][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.099230][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.099456][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.099686][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.099910][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.100144][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.100372][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.100601][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.100917][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.101152][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.101383][  T209]  ? 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))
[   12.101604][  T209]  ? 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))
[   12.101842][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.102079][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.102308][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.102534][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.102768][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.102995][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.103246][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.103471][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.103709][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.103990][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   12.104233][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   12.104455][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.104673][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.104938][  T209]  ? 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))
[   12.105172][  T209]  __sys_sendmsg (net/socket.c:2784)
[   12.105414][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.105649][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.105885][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.106118][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.106340][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.106605][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.106844][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.107131][  T209] RIP: 0033:0x7fb018ca308e
[   12.107365][  T209] 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
[   12.108230][  T209] RSP: 002b:00007ffc0e41d6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.108575][  T209] RAX: ffffffffffffffda RBX: 00007ffc0e41de58 RCX: 00007fb018ca308e
[   12.108921][  T209] RDX: 0000000000000000 RSI: 00007ffc0e41d770 RDI: 0000000000000005
[   12.109275][  T209] RBP: 00007ffc0e41d6d0 R08: 0000000000000000 R09: 0000000000000000
[   12.109611][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca38
[   12.109948][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0e41de30
| [   12.138041][  T209] ------------[ cut here ]------------
| [   12.138314][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/209
| [   12.138726][  T209] Modules linked in: veth
| [   12.139688][  T209] Tainted: [W]=WARN
[   12.139860][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.140140][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.140433][  T209] 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
[   12.141267][  T209] RSP: 0018:ffa00000006171b0 EFLAGS: 00010286
[   12.141560][  T209] RAX: 00000000ffffffa6 RBX: ff1100000be42900 RCX: 1ff40000000c2dfc
[   12.141909][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be429b8
[   12.142292][  T209] RBP: ff11000009b09000 R08: 1fe22000017c8538 R09: ff1100000c965180
[   12.142622][  T209] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.142974][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.143314][  T209] FS:  00007fb018a69840(0000) GS:ff1100008a5b0000(0000) knlGS:0000000000000000
[   12.143707][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.143973][  T209] CR2: 00007fb018dd0f6d CR3: 000000000c3c4006 CR4: 0000000000771ef0
[   12.144302][  T209] PKRU: 55555554
[   12.144472][  T209] Call Trace:
[   12.144637][  T209]  <TASK>
[   12.144796][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.145027][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.145218][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   12.145446][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   12.145666][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.145886][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.146121][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.146347][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.146568][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.146794][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.147009][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.147251][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.147476][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.147705][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.147925][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.148152][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.148370][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.148616][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.148848][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.149077][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.149298][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.149515][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.149734][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.149963][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.150220][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.150439][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.150656][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.150883][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.151115][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.151340][  T209]  ? 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))
[   12.151554][  T209]  ? 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))
[   12.151782][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.152004][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.152228][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.152449][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.152672][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.152900][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.153133][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.153348][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.153561][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.153863][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   12.154103][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   12.154322][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.154537][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.154782][  T209]  ? 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))
[   12.155010][  T209]  __sys_sendmsg (net/socket.c:2784)
[   12.155237][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.155462][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.155664][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.155894][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.156122][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.156343][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.156565][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.156867][  T209] RIP: 0033:0x7fb018ca308e
[   12.157124][  T209] 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
[   12.157900][  T209] RSP: 002b:00007ffc0e41d6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.158249][  T209] RAX: ffffffffffffffda RBX: 00007ffc0e41de58 RCX: 00007fb018ca308e
[   12.158579][  T209] RDX: 0000000000000000 RSI: 00007ffc0e41d770 RDI: 0000000000000005
[   12.158926][  T209] RBP: 00007ffc0e41d6d0 R08: 0000000000000000 R09: 0000000000000000
[   12.159280][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca38


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