======================================
| xx__-> [    9.336045][  T185] ------------[ cut here ]------------
| [    9.336277][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [    9.336558][  T185] Modules linked in: veth
| [    9.337161][  T185] Tainted: [W]=WARN
[    9.337278][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.337460][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.337710][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.338253][  T185] RSP: 0018:ffa00000008f6e30 EFLAGS: 00010286
[    9.338453][  T185] RAX: 00000000ffffffa6 RBX: ff11000003868ac0 RCX: 1ff400000011ed8c
[    9.338718][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000003868b78
[    9.338942][  T185] RBP: ff1100000a26c000 R08: 1fe220000070d170 R09: ff1100000c6a0b80
[    9.339162][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.339424][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009915200
[    9.339649][  T185] FS:  00007f1731ae5840(0000) GS:ff1100007d230000(0000) knlGS:0000000000000000
[    9.339912][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.340099][  T185] CR2: 000000000042ebe0 CR3: 000000000b67b001 CR4: 0000000000771ef0
[    9.340326][  T185] PKRU: 55555554
[    9.340437][  T185] Call Trace:
[    9.340546][  T185]  <TASK>
[    9.340629][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.340817][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.340966][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.341076][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.341226][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.341377][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.341522][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.341673][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.341823][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.341973][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.342119][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.342267][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.342418][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.342564][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.342716][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.342868][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.343047][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.343193][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.343347][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.343511][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.343672][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.343826][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.343973][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.344121][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.344275][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.344425][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.344571][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.344813][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.344967][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.345115][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.345261][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.345412][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.345557][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.345712][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.345862][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.346015][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.346163][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.346316][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.346463][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.346609][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.346764][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.346917][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.347061][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.347208][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.347462][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.347609][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.347763][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.347913][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.348063][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.348211][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.348362][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.348514][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.348675][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.348832][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.348982][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.349129][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.349284][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.349465][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.349617][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.349768][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.349994][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.350153][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.350307][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.350456][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.350604][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.350758][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.350911][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.351058][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.351205][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.351356][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.351506][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.351662][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.351851][  T185] RIP: 0033:0x7f1731d1f08e
[    9.352005][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.352876][  T185] RSP: 002b:00007fffe7f36f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.353105][  T185] RAX: ffffffffffffffda RBX: 00007fffe7f37718 RCX: 00007f1731d1f08e
[    9.353328][  T185] RDX: 0000000000000000 RSI: 00007fffe7f37030 RDI: 0000000000000005
[    9.353579][  T185] RBP: 00007fffe7f36f90 R08: 0000000000000000 R09: 0000000000000000
[    9.353811][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca40
[    9.354136][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe7f376f0
| [    9.362717][  T185] ------------[ cut here ]------------
| [    9.362885][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.363135][  T185] Modules linked in: veth
| [    9.363556][  T185] Tainted: [W]=WARN
[    9.363674][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.363856][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.364044][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.364565][  T185] RSP: 0018:ffa00000008f71b0 EFLAGS: 00010286
[    9.364754][  T185] RAX: 00000000ffffffa6 RBX: ff1100000bd1a900 RCX: 1ff400000011edfc
[    9.364977][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bd1a9b8
[    9.365192][  T185] RBP: ff11000008ce9000 R08: 1fe22000017a3538 R09: ff1100000c6a0b80
[    9.365411][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.365640][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.365860][  T185] FS:  00007f1731ae5840(0000) GS:ff1100007d1b0000(0000) knlGS:0000000000000000
[    9.366112][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.366297][  T185] CR2: 00007f1731f7e668 CR3: 000000000b67b001 CR4: 0000000000771ef0
[    9.366515][  T185] PKRU: 55555554
[    9.366632][  T185] Call Trace:
[    9.366741][  T185]  <TASK>
[    9.366819][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.366972][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.367082][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.367228][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.367379][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.367528][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.367683][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.367835][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.367980][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.368125][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.368274][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.368424][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.368572][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.368727][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.368876][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.369020][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.369162][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.369310][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.369457][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.369602][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.369753][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.369903][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.370047][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.370190][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.370342][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.370485][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.370636][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.370780][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.370930][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.371077][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.371218][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.371367][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.371512][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.371664][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.371813][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.371959][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.372104][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.372248][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.372399][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.372542][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.372724][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.372893][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.373133][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.373281][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.373437][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.373582][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.373731][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.373878][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.374022][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.374167][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.374411][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.374573][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.374722][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.374968][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.375111][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.375294][  T185] RIP: 0033:0x7f1731d1f08e
[    9.375444][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.376025][  T185] RSP: 002b:00007fffe7f36f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.376241][  T185] RAX: ffffffffffffffda RBX: 00007fffe7f37718 RCX: 00007f1731d1f08e
[    9.376478][  T185] RDX: 0000000000000000 RSI: 00007fffe7f37030 RDI: 0000000000000005
[    9.376755][  T185] RBP: 00007fffe7f36f90 R08: 0000000000000000 R09: 0000000000000000
[    9.376974][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca40
[    9.377189][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe7f376f0
| [    9.514026][  T192] ------------[ cut here ]------------
| [    9.514313][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/192
| [    9.514598][  T192] Modules linked in: veth
| [    9.515133][  T192] Tainted: [W]=WARN
[    9.515250][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.515445][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.515724][  T192] 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
[    9.516349][  T192] RSP: 0018:ffa00000008a6e30 EFLAGS: 00010286
[    9.516543][  T192] RAX: 00000000ffffffa6 RBX: ff1100000cbfe200 RCX: 1ff4000000114d8c
[    9.516866][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cbfe2b8
[    9.517102][  T192] RBP: ff110000084f9000 R08: 1fe220000197fc58 R09: ff1100000c62d180
[    9.517338][  T192] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.517567][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005c76e00
[    9.517895][  T192] FS:  00007f77e2737840(0000) GS:ff1100007d230000(0000) knlGS:0000000000000000
[    9.518167][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.518361][  T192] CR2: 000000000042ebe0 CR3: 000000000c5bc001 CR4: 0000000000771ef0
[    9.518585][  T192] PKRU: 55555554
[    9.518720][  T192] Call Trace:
[    9.518837][  T192]  <TASK>
[    9.518915][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.519092][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.519206][  T192]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.519399][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[    9.519551][  T192]  ? netif_change_name (net/core/dev.c:1495)
[    9.519707][  T192]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.519868][  T192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.520017][  T192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.520169][  T192]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.520325][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.520473][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.520627][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.520795][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.520948][  T192]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.521097][  T192] veth_newlink (drivers/net/veth.c:1871) veth
[    9.521250][  T192]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.521441][  T192]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.521591][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.521745][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.521917][  T192]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.522064][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.522216][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.522372][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.522523][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.522681][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.522834][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.522982][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.523159][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.523319][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.523475][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.523636][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.523785][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.523944][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.524093][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.524244][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.524403][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.524551][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.524703][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.524852][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.524999][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.525148][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.525317][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.525487][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.525646][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.525838][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.525992][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.526146][  T192]  ? 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))
[    9.526300][  T192]  ? 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))
[    9.526464][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.526639][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.526786][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.526944][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.527095][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.527299][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.527485][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.527989][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.528187][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.528376][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[    9.528526][  T192]  ___sys_sendmsg (net/socket.c:2752)
[    9.528682][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.528842][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.529003][  T192]  ? 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))
[    9.529154][  T192]  __sys_sendmsg (net/socket.c:2784)
[    9.529372][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.529525][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.529685][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.529841][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.529994][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.530164][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.530319][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.530518][  T192] RIP: 0033:0x7f77e297108e
[    9.530681][  T192] 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
[    9.531220][  T192] RSP: 002b:00007ffe4efd5720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.531489][  T192] RAX: ffffffffffffffda RBX: 00007ffe4efd5eb8 RCX: 00007f77e297108e
[    9.531723][  T192] RDX: 0000000000000000 RSI: 00007ffe4efd57d0 RDI: 0000000000000005
[    9.531951][  T192] RBP: 00007ffe4efd5730 R08: 0000000000000000 R09: 0000000000000000
[    9.532175][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca40
[    9.532440][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4efd5e90
| [    9.547216][  T192] ------------[ cut here ]------------
| [    9.547472][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/192
| [    9.547758][  T192] Modules linked in: veth
| [    9.548182][  T192] Tainted: [W]=WARN
[    9.548299][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.548475][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.548672][  T192] 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
[    9.549190][  T192] RSP: 0018:ffa00000008a71b0 EFLAGS: 00010286
[    9.549380][  T192] RAX: 00000000ffffffa6 RBX: ff110000052151c0 RCX: 1ff4000000114dfc
[    9.549604][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005215278
[    9.549829][  T192] RBP: ff1100000cabc000 R08: 1fe2200000a42a50 R09: ff1100000c62d180
[    9.550043][  T192] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.550266][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.550487][  T192] FS:  00007f77e2737840(0000) GS:ff1100007d230000(0000) knlGS:0000000000000000
[    9.550744][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.550928][  T192] CR2: 000000000042ebe0 CR3: 000000000c5bc001 CR4: 0000000000771ef0
[    9.551140][  T192] PKRU: 55555554
[    9.551245][  T192] Call Trace:
[    9.551356][  T192]  <TASK>
[    9.551430][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.551578][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.551698][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[    9.551849][  T192]  ? netif_change_name (net/core/dev.c:1495)
[    9.551992][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.552134][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.552290][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.552433][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.552576][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.552727][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.552876][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.553025][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.553171][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.553319][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.553460][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.553602][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.553750][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.553896][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.554053][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.554197][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.554346][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.554486][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.554634][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.554777][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.554925][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.555064][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.555207][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.555354][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.555495][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.555643][  T192]  ? 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))
[    9.555783][  T192]  ? 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))
[    9.555929][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.556071][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.556235][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.556384][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.556527][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.556676][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.556826][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.556967][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.557107][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.557285][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[    9.557430][  T192]  ___sys_sendmsg (net/socket.c:2752)
[    9.557573][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.557720][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.557879][  T192]  ? 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))
[    9.558023][  T192]  __sys_sendmsg (net/socket.c:2784)
[    9.558165][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.558317][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.558461][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.558604][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.558750][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.558896][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.559038][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.559214][  T192] RIP: 0033:0x7f77e297108e
[    9.559367][  T192] 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
[    9.559887][  T192] RSP: 002b:00007ffe4efd5720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.560102][  T192] RAX: ffffffffffffffda RBX: 00007ffe4efd5eb8 RCX: 00007f77e297108e
[    9.560321][  T192] RDX: 0000000000000000 RSI: 00007ffe4efd57d0 RDI: 0000000000000005
[    9.560539][  T192] RBP: 00007ffe4efd5730 R08: 0000000000000000 R09: 0000000000000000
[    9.560758][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca40
[    9.560973][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4efd5e90
| [    9.803342][  T200] ------------[ cut here ]------------
| [    9.803526][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/200
| [    9.803790][  T200] Modules linked in: veth
| [    9.804203][  T200] Tainted: [W]=WARN
[    9.804318][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.804503][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.805461][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.805987][  T200] RSP: 0018:ffa0000000626e30 EFLAGS: 00010286
[    9.806169][  T200] RAX: 00000000ffffffa6 RBX: ff1100000be1a580 RCX: 1ff40000000c4d8c
[    9.806391][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be1a638
[    9.806605][  T200] RBP: ff11000009079000 R08: 1fe22000017c34c8 R09: ff110000053b0b80
[    9.806829][  T200] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.807043][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000abb9200
[    9.807259][  T200] FS:  00007fb844a91840(0000) GS:ff1100007d230000(0000) knlGS:0000000000000000
[    9.807519][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.807708][  T200] CR2: 000000000042ebe0 CR3: 000000000c728006 CR4: 0000000000771ef0
[    9.807927][  T200] PKRU: 55555554
[    9.808034][  T200] Call Trace:
[    9.808140][  T200]  <TASK>
[    9.808215][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.808370][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.808517][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.808634][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.808779][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.808926][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.809068][  T200]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.809212][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.809359][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.809501][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.809652][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.809797][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.809945][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.810088][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.810232][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.810381][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.810524][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.810674][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.810822][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.811002][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.811148][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.811297][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.811458][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.811605][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.811758][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.811907][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.812052][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.812197][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.812349][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.812504][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.812657][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.812812][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.812960][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.813105][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.813247][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.813397][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.813539][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.813687][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.813840][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.813984][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.814127][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.814269][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.814419][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.814562][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.814711][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.814857][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.815002][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.815146][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.815294][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.815442][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.815586][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.815752][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.815904][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.816048][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.816194][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.816347][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.816493][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.816651][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.816795][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.816945][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.817121][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.817268][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.817417][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.817562][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.817720][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.817871][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.818016][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.818163][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.818315][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.818459][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.818602][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.818752][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.818901][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.819081][  T200] RIP: 0033:0x7fb844ccb08e
[    9.819232][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.819762][  T200] RSP: 002b:00007fffdf89f4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.819984][  T200] RAX: ffffffffffffffda RBX: 00007fffdf89fc68 RCX: 00007fb844ccb08e
[    9.820202][  T200] RDX: 0000000000000000 RSI: 00007fffdf89f580 RDI: 0000000000000005
[    9.820422][  T200] RBP: 00007fffdf89f4e0 R08: 0000000000000000 R09: 0000000000000000
[    9.820643][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca41
[    9.820863][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdf89fc40
| [    9.828675][  T200] ------------[ cut here ]------------
| [    9.828836][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/200
| [    9.829081][  T200] Modules linked in: veth
| [    9.829483][  T200] Tainted: [W]=WARN
[    9.829590][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.830061][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.830244][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.830758][  T200] RSP: 0018:ffa00000006271b0 EFLAGS: 00010286
[    9.830941][  T200] RAX: 00000000ffffffa6 RBX: ff1100000a99ee40 RCX: 1ff40000000c4dfc
[    9.831149][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a99eef8
[    9.831366][  T200] RBP: ff1100000be6c000 R08: 1fe2200001533de0 R09: ff110000053b0b80
[    9.831575][  T200] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.831798][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.832013][  T200] FS:  00007fb844a91840(0000) GS:ff1100007d230000(0000) knlGS:0000000000000000
[    9.832258][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.832439][  T200] CR2: 000000000042ebe0 CR3: 000000000c728006 CR4: 0000000000771ef0
[    9.832654][  T200] PKRU: 55555554
[    9.832759][  T200] Call Trace:
[    9.832869][  T200]  <TASK>
[    9.832943][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.833085][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.833191][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.833338][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.833479][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.833625][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.833768][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.833954][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.834094][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.834232][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.834377][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.834522][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.834672][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.834815][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.834956][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.835095][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.835232][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.835376][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.835519][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.835664][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.835807][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.835945][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.836086][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.836234][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.836382][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.836520][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.836666][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.836811][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.836953][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.837095][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.837234][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.837380][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.837519][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.837674][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.837821][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.837962][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.838106][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.838250][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.838395][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.838536][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.838714][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.838866][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.839006][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.839143][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.839300][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.839443][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.839583][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.839733][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.839877][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.840018][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.840160][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.840305][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.840448][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.840626][  T200] RIP: 0033:0x7fb844ccb08e
[    9.840775][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.841277][  T200] RSP: 002b:00007fffdf89f4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.841489][  T200] RAX: ffffffffffffffda RBX: 00007fffdf89fc68 RCX: 00007fb844ccb08e
[    9.841701][  T200] RDX: 0000000000000000 RSI: 00007fffdf89f580 RDI: 0000000000000005
[    9.841914][  T200] RBP: 00007fffdf89f4e0 R08: 0000000000000000 R09: 0000000000000000
[    9.842121][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca41


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