======================================
| xx__-> [   11.294703][  T185] ------------[ cut here ]------------
| [   11.294960][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [   11.295221][  T185] Modules linked in: veth
| [   11.295691][  T185] Tainted: [W]=WARN
[   11.295804][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.295985][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.296176][  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
[   11.296687][  T185] RSP: 0018:ffa0000000836e30 EFLAGS: 00010286
[   11.296928][  T185] RAX: 00000000ffffffa6 RBX: ff11000004dc6e40 RCX: 1ff4000000106d8c
[   11.297151][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004dc6ef8
[   11.297469][  T185] RBP: ff11000008e51000 R08: 1fe22000009b8de0 R09: ff1100000c71ae80
[   11.297694][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.298017][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002832e00
[   11.298233][  T185] FS:  00007f997c834840(0000) GS:ff1100007c230000(0000) knlGS:0000000000000000
[   11.298486][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.298670][  T185] CR2: 000055841da4dd50 CR3: 000000000960c001 CR4: 0000000000771ef0
[   11.298985][  T185] PKRU: 55555554
[   11.299093][  T185] Call Trace:
[   11.299198][  T185]  <TASK>
[   11.299272][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.299454][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.299602][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.299711][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.299951][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.300095][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   11.300240][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.300383][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   11.300529][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.300672][  T185]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   11.300954][  T185]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   11.301135][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.301275][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.301416][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.301565][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   11.301710][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.301990][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.302134][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.302276][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.302433][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.302586][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.302730][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.302985][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.303135][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.303279][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.303423][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.303568][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.303708][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.303968][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.304112][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.304258][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.304398][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.304544][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.304688][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.304923][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.305070][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.305210][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.305351][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.305497][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.305641][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.305820][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.305967][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.306106][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.306250][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.306396][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.306542][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.306687][  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))
[   11.306830][  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))
[   11.306974][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.307117][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.307261][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.307405][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.307556][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.307698][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.307847][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.307991][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.308132][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.308310][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   11.308487][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   11.308632][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.308777][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.308933][  T185]  __sys_sendmsg (net/socket.c:2784)
[   11.309078][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.309229][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.309370][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.309520][  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)
[   11.309676][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.309825][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.309969][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.310125][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.310267][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.310411][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.310591][  T185] RIP: 0033:0x7f997ca6e08e
[   11.310739][  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
[   11.311248][  T185] RSP: 002b:00007fff64d2cc90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.311462][  T185] RAX: ffffffffffffffda RBX: 00007fff64d2d428 RCX: 00007f997ca6e08e
[   11.311678][  T185] RDX: 0000000000000000 RSI: 00007fff64d2cd40 RDI: 0000000000000005
[   11.311895][  T185] RBP: 00007fff64d2cca0 R08: 0000000000000000 R09: 0000000000000000
[   11.312107][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd35
[   11.312319][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff64d2d400
| [   11.339000][  T185] ------------[ cut here ]------------
| [   11.339254][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [   11.339652][  T185] Modules linked in: veth
| [   11.340350][  T185] Tainted: [W]=WARN
[   11.340521][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.340810][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.341108][  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
[   11.341923][  T185] RSP: 0018:ffa00000008371b0 EFLAGS: 00010286
[   11.342206][  T185] RAX: 00000000ffffffa6 RBX: ff1100000c01a740 RCX: 1ff4000000106dfc
[   11.342547][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c01a7f8
[   11.342895][  T185] RBP: ff11000009da4000 R08: 1fe2200001803500 R09: ff1100000c71ae80
[   11.343232][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.343583][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.343928][  T185] FS:  00007f997c834840(0000) GS:ff1100007c1b0000(0000) knlGS:0000000000000000
[   11.344353][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.345478][  T185] CR2: 000055841da4dd50 CR3: 000000000960c005 CR4: 0000000000771ef0
[   11.345830][  T185] PKRU: 55555554
[   11.345997][  T185] Call Trace:
[   11.346163][  T185]  <TASK>
[   11.346279][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.346512][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.346678][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   11.346924][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   11.347144][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.347353][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.347582][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.347811][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.348029][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.348246][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.348469][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.348697][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.348929][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.349154][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.349374][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.349600][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.349826][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.350044][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.350279][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.350497][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.350721][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.350952][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.351175][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.351399][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.351637][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.351876][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.352101][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.352328][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.352555][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.352795][  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))
[   11.353020][  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))
[   11.353244][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.353468][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.353700][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.353934][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.354156][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.354380][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.354603][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.354833][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.355055][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.355332][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   11.355565][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   11.355753][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.355968][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.356214][  T185]  __sys_sendmsg (net/socket.c:2784)
[   11.356435][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.356664][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.356897][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.357122][  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)
[   11.357343][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.357571][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.357803][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.358021][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.358237][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.358459][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.358737][  T185] RIP: 0033:0x7f997ca6e08e
[   11.358980][  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
[   11.359775][  T185] RSP: 002b:00007fff64d2cc90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.360109][  T185] RAX: ffffffffffffffda RBX: 00007fff64d2d428 RCX: 00007f997ca6e08e
[   11.360434][  T185] RDX: 0000000000000000 RSI: 00007fff64d2cd40 RDI: 0000000000000005
[   11.360777][  T185] RBP: 00007fff64d2cca0 R08: 0000000000000000 R09: 0000000000000000
[   11.361107][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd35
[   11.361435][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff64d2d400
| [   11.579395][  T196] ------------[ cut here ]------------
| [   11.579676][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/196
| [   11.580119][  T196] Modules linked in: veth
| [   11.580795][  T196] Tainted: [W]=WARN
[   11.580971][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.581260][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.581571][  T196] 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
[   11.582423][  T196] RSP: 0018:ffa0000000876e30 EFLAGS: 00010286
[   11.582735][  T196] RAX: 00000000ffffffa6 RBX: ff11000004e94ac0 RCX: 1ff400000010ed8c
[   11.583092][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e94b78
[   11.583440][  T196] RBP: ff1100000876c000 R08: 1fe22000009d2970 R09: ff1100000cd10b80
[   11.583804][  T196] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.584157][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c0c5c80
[   11.584506][  T196] FS:  00007f5d5c01c840(0000) GS:ff1100007c330000(0000) knlGS:0000000000000000
[   11.584926][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.585222][  T196] CR2: 000000000042ebe0 CR3: 000000000c366006 CR4: 0000000000771ef0
[   11.585579][  T196] PKRU: 55555554
[   11.585758][  T196] Call Trace:
[   11.585953][  T196]  <TASK>
[   11.586084][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.586325][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.586511][  T196]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.586817][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   11.587053][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   11.587281][  T196]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.587519][  T196]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.587748][  T196]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.587988][  T196]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.588220][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.588455][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.588690][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.588931][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.589163][  T196]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.589399][  T196] veth_newlink (drivers/net/veth.c:1871) veth
[   11.589637][  T196]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.589936][  T196]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.590173][  T196]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.590436][  T196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.590706][  T196]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.590944][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.591178][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.591408][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.591652][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.591894][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.592129][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.592358][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.592593][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.592847][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.593086][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.593316][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.593552][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.593794][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.594021][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.594247][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.594482][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.594718][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.594954][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.595185][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.595413][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.595652][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.595894][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.596122][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.596354][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.596585][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.596821][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.597057][  T196]  ? 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))
[   11.597290][  T196]  ? 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))
[   11.597529][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.597769][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.597998][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.598231][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.598462][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.598697][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.598940][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.599170][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.599401][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.599705][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   11.599959][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   11.600189][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.600417][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.600672][  T196]  ? 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))
[   11.600916][  T196]  __sys_sendmsg (net/socket.c:2784)
[   11.601146][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.601384][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.601621][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.601861][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.602093][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.602326][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.602563][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.602857][  T196] RIP: 0033:0x7f5d5c25608e
[   11.603104][  T196] 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
[   11.603931][  T196] RSP: 002b:00007ffd2b819260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.604279][  T196] RAX: ffffffffffffffda RBX: 00007ffd2b8199f8 RCX: 00007f5d5c25608e
[   11.604625][  T196] RDX: 0000000000000000 RSI: 00007ffd2b819310 RDI: 0000000000000005
[   11.604978][  T196] RBP: 00007ffd2b819270 R08: 0000000000000000 R09: 0000000000000000
[   11.605332][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd35
[   11.605681][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2b8199d0
| [   11.635302][  T196] ------------[ cut here ]------------
| [   11.635555][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/196
| [   11.635968][  T196] Modules linked in: veth
| [   11.636608][  T196] Tainted: [W]=WARN
[   11.636962][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.637245][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.637547][  T196] 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
[   11.638510][  T196] RSP: 0018:ffa00000008771b0 EFLAGS: 00010286
[   11.638977][  T196] RAX: 00000000ffffffa6 RBX: ff1100000e156e40 RCX: 1ff400000010edfc
[   11.639317][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e156ef8
[   11.639654][  T196] RBP: ff11000009e3c000 R08: 1fe2200001c2ade0 R09: ff1100000cd10b80
[   11.640170][  T196] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.640518][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.640878][  T196] FS:  00007f5d5c01c840(0000) GS:ff1100007c330000(0000) knlGS:0000000000000000
[   11.641264][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.641554][  T196] CR2: 000055841dab1c58 CR3: 000000000c366006 CR4: 0000000000771ef0
[   11.641896][  T196] PKRU: 55555554
[   11.642064][  T196] Call Trace:
[   11.642231][  T196]  <TASK>
[   11.642348][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.642588][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.642769][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   11.642997][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   11.643223][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.643450][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.643693][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.643931][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.644154][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.644378][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.644612][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.644858][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.645090][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.645327][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.645557][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.645789][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.646015][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.646238][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.646481][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.646710][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.646947][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.647174][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.647399][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.647627][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.647867][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.648093][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.648323][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.648553][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.648778][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.649019][  T196]  ? 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))
[   11.649241][  T196]  ? 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))
[   11.649476][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.649708][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.649939][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.650168][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.650402][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.650646][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.650881][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.651101][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.651319][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.651590][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   11.651830][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   11.652053][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.652279][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.652526][  T196]  ? 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))
[   11.652757][  T196]  __sys_sendmsg (net/socket.c:2784)
[   11.652995][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.653193][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.653403][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.653633][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.653862][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.654087][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.654310][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.654590][  T196] RIP: 0033:0x7f5d5c25608e
[   11.654837][  T196] 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
[   11.655635][  T196] RSP: 002b:00007ffd2b819260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.655994][  T196] RAX: ffffffffffffffda RBX: 00007ffd2b8199f8 RCX: 00007f5d5c25608e
[   11.656342][  T196] RDX: 0000000000000000 RSI: 00007ffd2b819310 RDI: 0000000000000005
[   11.656690][  T196] RBP: 00007ffd2b819270 R08: 0000000000000000 R09: 0000000000000000
[   11.657044][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd35


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