======================================
| xx__-> [    8.870386][  T186] ------------[ cut here ]------------
| [    8.870600][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    8.870898][  T186] Modules linked in: veth
| [    8.871341][  T186] Tainted: [W]=WARN
[    8.871452][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.871626][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.871814][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.872313][  T186] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[    8.872494][  T186] RAX: 00000000ffffffa6 RBX: ff11000004f4a740 RCX: 1ff4000000118d8c
[    8.872704][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f4a7f8
[    8.872919][  T186] RBP: ff11000001dd4000 R08: 1fe22000009e9500 R09: ff11000004eeae80
[    8.873179][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.873391][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a7bbc00
[    8.873609][  T186] FS:  00007fe1f6daa840(0000) GS:ff110000a3330000(0000) knlGS:0000000000000000
[    8.873859][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.874036][  T186] CR2: 00007fe1f7111f6d CR3: 000000000d07b002 CR4: 0000000000771ef0
[    8.874243][  T186] PKRU: 55555554
[    8.874348][  T186] Call Trace:
[    8.874458][  T186]  <TASK>
[    8.874530][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.874709][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.874854][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.874959][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.875100][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.875238][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    8.875380][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.875520][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    8.875658][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.875807][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.875946][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.876086][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.876224][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.876363][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    8.876513][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    8.876655][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    8.876835][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.876976][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.877116][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.877272][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.877519][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.877660][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.877807][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.877949][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.878184][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.878326][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.878471][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.878716][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.878862][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.879004][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.879146][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.879382][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.879617][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.879860][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.880092][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.880234][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.880378][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.880612][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.880756][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.880895][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.881035][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.881175][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.881314][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.881460][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.881599][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.881744][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.881886][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.882025][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.882167][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.882306][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.882451][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.882591][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.882739][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.882973][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.883115][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.883255][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.883587][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.883773][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    8.883917][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    8.884057][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.884196][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.884445][  T186]  ? 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))
[    8.884682][  T186]  __sys_sendmsg (net/socket.c:2784)
[    8.884920][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.885063][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.885203][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.885343][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.885580][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.885724][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.885865][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.886039][  T186] RIP: 0033:0x7fe1f6fe408e
[    8.886186][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.886682][  T186] RSP: 002b:00007ffd967509d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.886896][  T186] RAX: ffffffffffffffda RBX: 00007ffd96751168 RCX: 00007fe1f6fe408e
[    8.887200][  T186] RDX: 0000000000000000 RSI: 00007ffd96750a80 RDI: 0000000000000005
[    8.887410][  T186] RBP: 00007ffd967509e0 R08: 0000000000000000 R09: 0000000000000000
[    8.887617][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5a5
[    8.887926][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd96751140
| [    8.905259][  T186] ------------[ cut here ]------------
| [    8.905418][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    8.905655][  T186] Modules linked in: veth
| [    8.906052][  T186] Tainted: [W]=WARN
[    8.906154][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.906321][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.906502][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.907037][  T186] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[    8.907206][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c178580 RCX: 1ff4000000118dfc
[    8.907410][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c178638
[    8.907609][  T186] RBP: ff110000080c1000 R08: 1fe220000182f0c8 R09: ff11000004eeae80
[    8.907874][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.908073][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.908275][  T186] FS:  00007fe1f6daa840(0000) GS:ff110000a3330000(0000) knlGS:0000000000000000
[    8.908513][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.908682][  T186] CR2: 00007fe1f7111f6d CR3: 000000000d07b002 CR4: 0000000000771ef0
[    8.908953][  T186] PKRU: 55555554
[    8.909053][  T186] Call Trace:
[    8.909258][  T186]  <TASK>
[    8.909327][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.909467][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.909570][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    8.909705][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    8.909944][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.910078][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.910215][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.910351][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.910488][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.910622][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.910856][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.910995][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.911132][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.911268][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.911409][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.911542][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.911674][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.911857][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.911995][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.912130][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.912263][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.912401][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.912536][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.912668][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.912809][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.912941][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.913076][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.913208][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.913341][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.913482][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.913617][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.913756][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.913890][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.914029][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.914163][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.914298][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.914437][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.914575][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.914715][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.914849][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.915015][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    8.915153][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    8.915286][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.915423][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.915567][  T186]  ? 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))
[    8.915704][  T186]  __sys_sendmsg (net/socket.c:2784)
[    8.915843][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.915980][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.916113][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.916247][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.916383][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.916517][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.916653][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.916821][  T186] RIP: 0033:0x7fe1f6fe408e
[    8.916962][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.917439][  T186] RSP: 002b:00007ffd967509d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.917643][  T186] RAX: ffffffffffffffda RBX: 00007ffd96751168 RCX: 00007fe1f6fe408e
[    8.917847][  T186] RDX: 0000000000000000 RSI: 00007ffd96750a80 RDI: 0000000000000005
[    8.918046][  T186] RBP: 00007ffd967509e0 R08: 0000000000000000 R09: 0000000000000000
[    8.918244][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5a5
[    8.918448][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd96751140
| [    9.040843][  T193] ------------[ cut here ]------------
| [    9.041025][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [    9.041275][  T193] Modules linked in: veth
| [    9.042300][  T193] Tainted: [W]=WARN
[    9.042433][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.042617][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.042920][  T193] 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
[    9.043437][  T193] RSP: 0018:ffa0000000906e30 EFLAGS: 00010286
[    9.043624][  T193] RAX: 00000000ffffffa6 RBX: ff1100000b33c200 RCX: 1ff4000000120d8c
[    9.043928][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b33c2b8
[    9.044144][  T193] RBP: ff1100000a1dc000 R08: 1fe2200001667858 R09: ff1100000cb60b80
[    9.044358][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.044577][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009130780
[    9.044869][  T193] FS:  00007fccbe2f2840(0000) GS:ff110000a3230000(0000) knlGS:0000000000000000
[    9.045124][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.045305][  T193] CR2: 00007fdd5769623c CR3: 000000000d06a001 CR4: 0000000000771ef0
[    9.045530][  T193] PKRU: 55555554
[    9.045639][  T193] Call Trace:
[    9.045832][  T193]  <TASK>
[    9.045907][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.046102][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.046211][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.046408][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.046555][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.046699][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.046937][  T193]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[    9.047085][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.047227][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.047370][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.047522][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.047667][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.047950][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.048096][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.048239][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.048401][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.048547][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.048693][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.048928][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.049072][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.049219][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.049363][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.049510][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.049655][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.049901][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.050048][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.050193][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.050336][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.050486][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.050628][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.050858][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.051084][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.051227][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.051368][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.051516][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.051659][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.051862][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.052007][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.052148][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.052291][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.052439][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.052583][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.052787][  T193]  ? 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))
[    9.052930][  T193]  ? 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))
[    9.053075][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.053220][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.053362][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.053510][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.053653][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.053812][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.053958][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.054103][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.054245][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.054427][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.054574][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.054721][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.054863][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.055015][  T193]  ? 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))
[    9.055162][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.055305][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.055455][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.055598][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.055747][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.055889][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.056032][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.056175][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.056353][  T193] RIP: 0033:0x7fccbe52c08e
[    9.056507][  T193] 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
[    9.057014][  T193] RSP: 002b:00007ffd9eb61510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.057231][  T193] RAX: ffffffffffffffda RBX: 00007ffd9eb61ca8 RCX: 00007fccbe52c08e
[    9.057447][  T193] RDX: 0000000000000000 RSI: 00007ffd9eb615c0 RDI: 0000000000000005
[    9.057659][  T193] RBP: 00007ffd9eb61520 R08: 0000000000000000 R09: 0000000000000000
[    9.057879][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5a5
[    9.058092][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9eb61c80
| [    9.102874][  T193] ------------[ cut here ]------------
| [    9.103074][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/193
| [    9.103364][  T193] Modules linked in: veth
| [    9.104429][  T193] Tainted: [W]=WARN
[    9.104586][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.104821][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.105048][  T193] 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
[    9.105594][  T193] RSP: 0018:ffa00000009071b0 EFLAGS: 00010286
[    9.105830][  T193] RAX: 00000000ffffffa6 RBX: ff1100000c3463c0 RCX: 1ff4000000120dfc
[    9.106087][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c346478
[    9.106342][  T193] RBP: ff1100000a1a4000 R08: 1fe2200001868c90 R09: ff1100000cb60b80
[    9.106605][  T193] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.106869][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.107127][  T193] FS:  00007fccbe2f2840(0000) GS:ff110000a32b0000(0000) knlGS:0000000000000000
[    9.107423][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.107646][  T193] CR2: 00007f53da7d0870 CR3: 000000000d06a006 CR4: 0000000000771ef0
[    9.107916][  T193] PKRU: 55555554
[    9.108098][  T193] Call Trace:
[    9.108249][  T193]  <TASK>
[    9.108370][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.108570][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.108738][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.108926][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.109115][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.109304][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.109502][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.109696][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.109897][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.110082][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.110268][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.110467][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.110660][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.110865][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.111066][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.111255][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.111447][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.111633][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.111835][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.112024][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.112211][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.112407][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.112595][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.112797][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.113006][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.113190][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.113385][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.113571][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.113773][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.113963][  T193]  ? 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))
[    9.114153][  T193]  ? 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))
[    9.114341][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.114533][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.114731][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.114918][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.115105][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.115293][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.115490][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.115681][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.115880][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.116103][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.116295][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.116488][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.116675][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.116880][  T193]  ? 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))
[    9.117070][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.117257][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.117457][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.117646][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.117853][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.118042][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.118228][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.118425][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.118646][  T193] RIP: 0033:0x7fccbe52c08e
[    9.118853][  T193] 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
[    9.119396][  T193] RSP: 002b:00007ffd9eb61510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.119653][  T193] RAX: ffffffffffffffda RBX: 00007ffd9eb61ca8 RCX: 00007fccbe52c08e
[    9.124740][  T193] RDX: 0000000000000000 RSI: 00007ffd9eb615c0 RDI: 0000000000000005
[    9.125000][  T193] RBP: 00007ffd9eb61520 R08: 0000000000000000 R09: 0000000000000000
[    9.125621][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5a5
[    9.125887][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9eb61c80
| [    9.323652][  T201] ------------[ cut here ]------------
| [    9.323872][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/201
| [    9.324168][  T201] Modules linked in: veth
| [    9.324781][  T201] Tainted: [W]=WARN
[    9.324929][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.325152][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.325390][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.325956][  T201] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[    9.326186][  T201] RAX: 00000000ffffffa6 RBX: ff1100000b33c3c0 RCX: 1ff4000000118d8c
[    9.326453][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b33c478
[    9.326707][  T201] RBP: ff1100000a2a4000 R08: 1fe2200001667890 R09: ff1100000ca70b80
[    9.326975][  T201] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.327225][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a08b180
[    9.327489][  T201] FS:  00007f4c94ea6840(0000) GS:ff110000a32b0000(0000) knlGS:0000000000000000
[    9.327788][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.328008][  T201] CR2: 00007fdfeeb97574 CR3: 000000000c797001 CR4: 0000000000771ef0
[    9.328257][  T201] PKRU: 55555554
[    9.328416][  T201] Call Trace:
[    9.328568][  T201]  <TASK>
[    9.328686][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.328885][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.329073][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.329227][  T201]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.329421][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.329609][  T201]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.329809][  T201]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.329995][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.330179][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.330363][  T201]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.330556][  T201]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.330759][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.330948][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.331135][  T201]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.331318][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.331509][  T201]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.331694][  T201]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.331895][  T201] veth_newlink (drivers/net/veth.c:1871) veth
[    9.332081][  T201]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.332295][  T201]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.332487][  T201]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.332670][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.332883][  T201]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.333069][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.333255][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.333447][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.333635][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.333835][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.334022][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.334205][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.334393][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.334583][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.334784][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.334969][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.335154][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.335339][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.335528][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.335725][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.335912][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.336098][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.336281][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.336472][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.336655][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.336852][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.337038][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.337221][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.337413][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.337596][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.337796][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.337984][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.338166][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.338353][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.338547][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.338743][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.338928][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.339113][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.339296][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.339489][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.339673][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.339865][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.340079][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.340268][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.340457][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.340641][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.340845][  T201]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.341032][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.341216][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.341409][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.341595][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.341790][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.341974][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.342159][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.342343][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.342562][  T201] RIP: 0033:0x7f4c950e008e
[    9.342760][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.343292][  T201] RSP: 002b:00007fffb90d23a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.343552][  T201] RAX: ffffffffffffffda RBX: 00007fffb90d2b38 RCX: 00007f4c950e008e
[    9.343818][  T201] RDX: 0000000000000000 RSI: 00007fffb90d2450 RDI: 0000000000000005
[    9.344073][  T201] RBP: 00007fffb90d23b0 R08: 0000000000000000 R09: 0000000000000000
[    9.344319][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5a5
[    9.344573][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb90d2b10
| [    9.359393][  T201] ------------[ cut here ]------------
| [    9.359581][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/201
| [    9.359879][  T201] Modules linked in: veth
| [    9.360347][  T201] Tainted: [W]=WARN
[    9.360494][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.361094][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.361351][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.361916][  T201] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[    9.362135][  T201] RAX: 00000000ffffffa6 RBX: ff1100000b33c740 RCX: 1ff4000000118dfc
[    9.362387][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b33c7f8
[    9.362627][  T201] RBP: ff1100000970c000 R08: 1fe2200001667900 R09: ff1100000ca70b80
[    9.362881][  T201] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.363123][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.363375][  T201] FS:  00007f4c94ea6840(0000) GS:ff110000a32b0000(0000) knlGS:0000000000000000
[    9.363657][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.363885][  T201] CR2: 00007fdfeeb97574 CR3: 000000000c797001 CR4: 0000000000771ef0
[    9.364128][  T201] PKRU: 55555554
[    9.364271][  T201] Call Trace:
[    9.364421][  T201]  <TASK>
[    9.364535][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.364727][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.364874][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.365054][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.365235][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.365418][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.365600][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.365790][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.365967][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.366142][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.366319][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.366510][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.366695][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.366886][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.367062][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.367240][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.367422][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.367598][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.367795][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.367973][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.368150][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.368326][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.368510][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.368688][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.368879][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.369056][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.369239][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.369421][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.369599][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.369792][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.369967][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.370145][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.370324][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.370510][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.370688][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.370878][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.371057][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.371238][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.371422][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.371598][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.371819][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.372002][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.372178][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.372356][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.372549][  T201]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.372741][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.372920][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.373100][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.373279][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.373463][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.373643][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.373835][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.374014][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.374220][  T201] RIP: 0033:0x7f4c950e008e
[    9.374409][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.374937][  T201] RSP: 002b:00007fffb90d23a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.375180][  T201] RAX: ffffffffffffffda RBX: 00007fffb90d2b38 RCX: 00007f4c950e008e
[    9.375423][  T201] RDX: 0000000000000000 RSI: 00007fffb90d2450 RDI: 0000000000000005
[    9.375668][  T201] RBP: 00007fffb90d23b0 R08: 0000000000000000 R09: 0000000000000000
[    9.375921][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5a5
[    9.376160][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb90d2b10
| [    9.547520][  T207] ------------[ cut here ]------------
| [    9.547701][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [    9.547963][  T207] Modules linked in: veth
| [    9.548364][  T207] Tainted: [W]=WARN
[    9.548474][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.548654][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.548857][  T207] 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
[    9.549362][  T207] RSP: 0018:ffa0000000536e30 EFLAGS: 00010286
[    9.549546][  T207] RAX: 00000000ffffffa6 RBX: ff1100000d25b700 RCX: 1ff40000000a6d8c
[    9.549761][  T207] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d25b7b8
[    9.549971][  T207] RBP: ff1100000a294000 R08: 1fe2200001a4b6f8 R09: ff11000008cd5180
[    9.550181][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.550393][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a7bb880
[    9.550607][  T207] FS:  00007f070a206840(0000) GS:ff110000a31b0000(0000) knlGS:0000000000000000
[    9.550864][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.551041][  T207] CR2: 000000000042ebe0 CR3: 0000000004e3d001 CR4: 0000000000771ef0
[    9.551252][  T207] PKRU: 55555554
[    9.551357][  T207] Call Trace:
[    9.551465][  T207]  <TASK>
[    9.551540][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.551687][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.551835][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.551942][  T207]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.552084][  T207]  __dev_notify_flags (net/core/dev.c:9787)
[    9.552225][  T207]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.552366][  T207]  ? 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)
[    9.552510][  T207]  ? netif_change_name (net/core/dev.c:1495)
[    9.552648][  T207]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.552794][  T207]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.552934][  T207]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.553076][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.553221][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.553362][  T207]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.553509][  T207]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.553649][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.553794][  T207]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.553938][  T207] veth_newlink (drivers/net/veth.c:1871) veth
[    9.554083][  T207]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.554259][  T207]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.554407][  T207]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.554547][  T207]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.554702][  T207]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.554851][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.554994][  T207]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.555136][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.555279][  T207]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.555427][  T207]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.555569][  T207]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.555709][  T207]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.555854][  T207]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.556001][  T207]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.556148][  T207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.556291][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.556437][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.556578][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.556724][  T207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.556865][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.557011][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.557154][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.557294][  T207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.557441][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.557580][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.557725][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.557869][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.558009][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.558150][  T207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.558290][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.558435][  T207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.558580][  T207]  ? 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))
[    9.558724][  T207]  ? 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))
[    9.558866][  T207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.559008][  T207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.559147][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.559290][  T207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.559434][  T207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.559576][  T207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.559725][  T207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.559866][  T207]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.560007][  T207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.560182][  T207]  ? move_addr_to_kernel (net/socket.c:258)
[    9.560327][  T207]  ___sys_sendmsg (net/socket.c:2752)
[    9.560473][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.560613][  T207]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.560769][  T207]  ? 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))
[    9.560912][  T207]  __sys_sendmsg (net/socket.c:2784)
[    9.561053][  T207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.561198][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.561340][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.561488][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.561628][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.561776][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.561918][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.562093][  T207] RIP: 0033:0x7f070a44008e
[    9.562240][  T207] 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
[    9.562748][  T207] RSP: 002b:00007fffdbe28ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.562961][  T207] RAX: ffffffffffffffda RBX: 00007fffdbe29278 RCX: 00007f070a44008e
[    9.563172][  T207] RDX: 0000000000000000 RSI: 00007fffdbe28b90 RDI: 0000000000000005
[    9.563387][  T207] RBP: 00007fffdbe28af0 R08: 0000000000000000 R09: 0000000000000000
[    9.563599][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5a5
[    9.563816][  T207] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdbe29250
| [    9.571755][  T207] ------------[ cut here ]------------
| [    9.571910][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [    9.572152][  T207] Modules linked in: veth
| [    9.572546][  T207] Tainted: [W]=WARN
[    9.572650][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.572826][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.573003][  T207] 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
[    9.573501][  T207] RSP: 0018:ffa00000005371b0 EFLAGS: 00010286
[    9.573674][  T207] RAX: 00000000ffffffa6 RBX: ff1100000d1b78c0 RCX: 1ff40000000a6dfc
[    9.573886][  T207] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d1b7978
[    9.574092][  T207] RBP: ff110000076b1000 R08: 1fe2200001a36f30 R09: ff11000008cd5180
[    9.574296][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.574508][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.574721][  T207] FS:  00007f070a206840(0000) GS:ff110000a31b0000(0000) knlGS:0000000000000000
[    9.574960][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.575132][  T207] CR2: 000000000042ebe0 CR3: 0000000004e3d001 CR4: 0000000000771ef0
[    9.575338][  T207] PKRU: 55555554
[    9.575446][  T207] Call Trace:
[    9.575550][  T207]  <TASK>
[    9.575621][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.575824][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.575930][  T207]  __dev_notify_flags (net/core/dev.c:9787)
[    9.576068][  T207]  ? netif_change_name (net/core/dev.c:1495)
[    9.576205][  T207]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.576344][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.576490][  T207]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.576629][  T207]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.576827][  T207]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.576963][  T207]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.577100][  T207]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.577241][  T207]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.577386][  T207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.577525][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.577662][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.577855][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.578045][  T207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.578182][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.578322][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.578464][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.578601][  T207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.578810][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.578965][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.579103][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.579240][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.579376][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.579520][  T207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.579658][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.579855][  T207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.579995][  T207]  ? 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))
[    9.580131][  T207]  ? 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))
[    9.580268][  T207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.580411][  T207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.580548][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.580686][  T207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.580879][  T207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.581017][  T207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.581158][  T207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.581298][  T207]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.581438][  T207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.581607][  T207]  ? move_addr_to_kernel (net/socket.c:258)
[    9.581804][  T207]  ___sys_sendmsg (net/socket.c:2752)
[    9.581942][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.582078][  T207]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.582223][  T207]  ? 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))
[    9.582361][  T207]  __sys_sendmsg (net/socket.c:2784)
[    9.582504][  T207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.582645][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.582846][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.582985][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.583126][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.583267][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.583412][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.583582][  T207] RIP: 0033:0x7f070a44008e
[    9.583804][  T207] 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
[    9.584329][  T207] RSP: 002b:00007fffdbe28ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.584560][  T207] RAX: ffffffffffffffda RBX: 00007fffdbe29278 RCX: 00007f070a44008e
[    9.584856][  T207] RDX: 0000000000000000 RSI: 00007fffdbe28b90 RDI: 0000000000000005
[    9.585071][  T207] RBP: 00007fffdbe28af0 R08: 0000000000000000 R09: 0000000000000000
[    9.585276][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5a5


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